This file was created by the TYPO3 extension bib --- Timezone: CEST Creation date: 2024-04-26 Creation time: 01-25-00 --- Number of references 135 inproceedings 2024-kunze-spintrap 2024 5 7 IEEE/IFIP Proceedings of the 2024 IEEE/IFIP Network Operations and Management Symposium (NOMS '24) 2024 IEEE/IFIP Network Operations and Management Symposium accepted 1 IkeKunze ConstantinSander LarsTissen BenediktBode KlausWehrle incollection 2024_pennekamp_blockchain-industry 2024 3 7 105 531-564 Competitive industrial environments impose significant requirements on data sharing as well as the accountability and verifiability of related processes. Here, blockchain technology emerges as a possible driver that satisfies demands even in settings with mutually distrustful stakeholders. We identify significant benefits achieved by blockchain technology for Industry 4.0 but also point out challenges and corresponding design options when applying blockchain technology in the industrial domain. Furthermore, we survey diverse industrial sectors to shed light on the current intersection between blockchain technology and industry, which provides the foundation for ongoing as well as upcoming research. As industrial blockchain applications are still in their infancy, we expect that new designs and concepts will develop gradually, creating both supporting tools and groundbreaking innovations. internet-of-production Springer Advances in Information Security 17 Blockchains – A Handbook on Fundamentals, Platforms and Applications 978-3-031-32145-0 10.1007/978-3-031-32146-7_17 1 JanPennekamp LennartBader EricWagner JensHiller RomanMatzutt KlausWehrle article 2024_pennekamp_supply-chain-survey ACM Computing Surveys 2024 2 1 56 2 Supply chains form the backbone of modern economies and therefore require reliable information flows. In practice, however, supply chains face severe technical challenges, especially regarding security and privacy. In this work, we consolidate studies from supply chain management, information systems, and computer science from 2010--2021 in an interdisciplinary meta-survey to make this topic holistically accessible to interdisciplinary research. In particular, we identify a significant potential for computer scientists to remedy technical challenges and improve the robustness of information flows. We subsequently present a concise information flow-focused taxonomy for supply chains before discussing future research directions to provide possible entry points. information flows; data communication; supply chain management; data security; data sharing; systematic literature review internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2024/2024-pennekamp-supply-chain-survey.pdf ACM 0360-0300 10.1145/3606693 1 JanPennekamp RomanMatzutt ChristopherKlinkmüller LennartBader MartinSerror EricWagner SidraMalik MariaSpiß JessicaRahn TanGürpinar EduardVlad Sander J. J.Leemans Salil S.Kanhere VolkerStich KlausWehrle article 2024_pennekamp_supply-chain-sensing IEEE Access 2024 1 8 12 9350-9368 Supply chains increasingly develop toward complex networks, both technically in terms of devices and connectivity, and also anthropogenic with a growing number of actors. The lack of mutual trust in such networks results in challenges that are exacerbated by stringent requirements for shipping conditions or quality, and where actors may attempt to reduce costs or cover up incidents. In this paper, we develop and comprehensively study four scenarios that eventually lead to end-to-end-secured sensing in complex IoT-based supply chains with many mutually distrusting actors, while highlighting relevant pitfalls and challenges—details that are still missing in related work. Our designs ensure that sensed data is securely transmitted and stored, and can be verified by all parties. To prove practical feasibility, we evaluate the most elaborate design with regard to performance, cost, deployment, and also trust implications on the basis of prevalent (mis)use cases. Our work enables a notion of secure end-to-end sensing with minimal trust across the system stack, even for complex and opaque supply chain networks. blockchain technology; reliability; security; trust management; trusted computing; trusted execution environments internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2024/2024-pennekamp-secure-sensing.pdf 2169-3536 10.1109/ACCESS.2024.3350778 1 JanPennekamp FritzAlder LennartBader GianlucaScopelliti KlausWehrle Jan TobiasMühlberg inproceedings 2023_bader_reputation-systems 2023 11 Consumers frequently interact with reputation systems to rate products, services, and deliveries. While past research extensively studied different conceptual approaches to realize such systems securely and privacy-preservingly, these concepts are not yet in use in business-to-business environments. In this paper, (1) we thus outline which specific challenges privacy-cautious stakeholders in volatile supply chain networks introduce, (2) give an overview of the diverse landscape of privacy-preserving reputation systems and their properties, and (3) based on well-established concepts from supply chain information systems and cryptography, we further propose an initial concept that accounts for the aforementioned challenges by utilizing fully homomorphic encryption. For future work, we identify the need of evaluating whether novel systems address the supply chain-specific privacy and confidentiality needs. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST) SCM; confidentiality; anonymity; voter; votee; FHE internet-of-production https://jpennekamp.de/wp-content/papercite-data/pdf/bpt+23.pdf Springer Proceedings of the 20th EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (MobiQuitous '23), November 14-17, 2023, Melbourne, VIC, Australia Melbourne, VIC, Australia November 14-17, 2023 accepted 1867-8211 1 LennartBader JanPennekamp EmildeonThevaraj MariaSpiß Salil S.Kanhere KlausWehrle article 2023_lamberts_metrics-sok Journal of Systems Research 2023 10 31 3 1 Industrial systems are increasingly threatened by cyberattacks with potentially disastrous consequences. To counter such attacks, industrial intrusion detection systems strive to timely uncover even the most sophisticated breaches. Due to its criticality for society, this fast-growing field attracts researchers from diverse backgrounds, resulting in 130 new detection approaches in 2021 alone. This huge momentum facilitates the exploration of diverse promising paths but likewise risks fragmenting the research landscape and burying promising progress. Consequently, it needs sound and comprehensible evaluations to mitigate this risk and catalyze efforts into sustainable scientific progress with real-world applicability. In this paper, we therefore systematically analyze the evaluation methodologies of this field to understand the current state of industrial intrusion detection research. Our analysis of 609 publications shows that the rapid growth of this research field has positive and negative consequences. While we observe an increased use of public datasets, publications still only evaluate 1.3 datasets on average, and frequently used benchmarking metrics are ambiguous. At the same time, the adoption of newly developed benchmarking metrics sees little advancement. Finally, our systematic analysis enables us to provide actionable recommendations for all actors involved and thus bring the entire research field forward. internet-of-production, rfc https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-lamberts-metrics-sok.pdf eScholarship Publishing 2770-5501 10.5070/SR33162445 1 OlavLamberts KonradWolsing EricWagner JanPennekamp JanBauer KlausWehrle MartinHenze inproceedings 2023-sander-quic-ecn 2023 10 legato https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-sander-quic-ecn.pdf https://arxiv.org/abs/2309.14273 ACM Proceedings of the Internet Measurement Conference (IMC '23) Internet Measurement Conference 2023 979-8-4007-0382-9/23/10 10.1145/3618257.3624821 1 ConstantinSander IkeKunze LeoBlöcher MikeKosek KlausWehrle inproceedings 2023-wagner-lcn-repel 2023 10 https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-wagner-repel.pdf IEEE 48th IEEE Conference on Local Computer Networks (LCN), Daytona Beach, Florida, US Daytona Beach, Florida, US IEEE Conference on Local Computer Networks (LCN) Oktober 1-5, 2023 accepted en 1 EricWagner NilsRothaug KonradWolsing LennartBader KlausWehrle MartinHenze inproceedings 2023-wolsing-xluuvlab 2023 10 Roughly two-thirds of our planet is covered with water, and so far, the oceans have predominantly been used at their surface for the global transport of our goods and commodities. Today, there is a rising trend toward subsea infrastructures such as pipelines, telecommunication cables, or wind farms which demands potent vehicles for underwater work. To this end, a new generation of vehicles, large and Extra-Large Unmanned Underwater Vehicles (XLUUVs), is currently being engineered that allow for long-range, remotely controlled, and semi-autonomous missions in the deep sea. However, although these vehicles are already heavily developed and demand state-of-the-art communi- cation technologies to realize their autonomy, no dedicated test and development environments exist for research, e.g., to assess the implications on cybersecurity. Therefore, in this paper, we present XLab-UUV, a virtual testbed for XLUUVs that allows researchers to identify novel challenges, possible bottlenecks, or vulnerabilities, as well as to develop effective technologies, protocols, and procedures. Maritime Simulation Environment, XLUUV, Cyber Range, Autonomous Shipping, Operational Technology https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-wolsing-xluuvlab.pdf IEEE 1st IEEE LCN Workshop on Maritime Communication and Security (MarCaS) Daytona Beach, Florida, USA 1st IEEE LCN Workshop on Maritime Communication and Security (MarCaS) Oktober 1-5, 2023 accepted en 10.1109/LCN58197.2023.10223405 1 KonradWolsing AntoineSaillard ElmarPadilla JanBauer inproceedings 2023-bader-metrics 2023 9 28 https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-bader-metrics.pdf Proceedings of the 9th Workshop on the Security of Industrial Control Systems & of Cyber-Physical Systems (CyberICPS '23), co-located with the the 28th European Symposium on Research in Computer Security (ESORICS '23) The Hague, The Netherlands 9th Workshop on the Security of Industrial Control Systems & of Cyber-Physical Systems (CyberICPS '23) September 28, 2023 accepted 10.1007/978-3-031-54204-6_2 1 LennartBader EricWagner MartinHenze MartinSerror inproceedings 2023_bodenbenner_fairsensor 2023 7 20 The long-term utility and reusability of measurement data from production processes depend on the appropriate contextualization of the measured values. These requirements further mandate that modifications to the context need to be recorded. To be (re-)used at all, the data must be easily findable in the first place, which requires arbitrary filtering and searching routines. Following the FAIR guiding principles, fostering findable, accessible, interoperable and reusable (FAIR) data, in this paper, the FAIR Sensor Ecosystem is proposed, which provides a contextualization middleware based on a unified data metamodel. All information and relations which might change over time are versioned and associated with temporal validity intervals to enable full reconstruction of a system's state at any point in time. A technical validation demonstrates the correctness of the FAIR Sensor Ecosystem, including its contextualization model and filtering techniques. State-of-the-art FAIRness assessment frameworks rate the proposed FAIR Sensor Ecosystem with an average FAIRness of 71%. The obtained rating can be considered remarkable, as deductions mainly result from the lack of fully appropriate FAIRness metrics and the absence of relevant community standards for the domain of the manufacturing industry. FAIR Data; Cyber-Physical Systems; Data Management; Data Contextualization; Internet of Production internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-bodenbenner-fair-ecosystem.pdf IEEE Proceedings of the 21th IEEE International Conference on Industrial Informatics (INDIN '23), July 17-20, 2023, Lemgo, Germany Lemgo, Germany July 17-20, 2023 978-1-6654-9313-0 2378-363X 10.1109/INDIN51400.2023.10218149 1 MatthiasBodenbenner JanPennekamp BenjaminMontavon KlausWehrle Robert H.Schmitt inproceedings 2023-schemmel-kdalloc-tool 2023 7 13 https://dl.acm.org/doi/pdf/10.1145/3597926.3604921 ACM SIGSOFT International Symposium on Software Testing and Analysis (ISSTA 2023) 10.1145/3597926.3604921 1 DanielSchemmel JulianBüning FrankBusse MartinNowack CristianCadar article Jakobs_2023_3 European Intellectual Property Review 2023 7 45 7 371-375 It has long been recognized in Europe and elsewhere that standards-development organizations (SDOs) may adopt policies that require their participants to license patents essential to the SDO’s standards (standards-essential patents or SEPs) to manufacturers of standardized products (“implementers”) on a royalty-free (RF) basis. This requirement contrasts with SDO policies that permit SEP holders to charge implementers monetary patent royalties, sometimes on terms that are specified as “fair, reasonable and nondiscriminatory” (FRAND). As demonstrated by two decades of intensive litigation around the world, FRAND royalties have given rise to intractable disputes regarding the manner in which such royalties should be calculated and adjudicated. In contrast, standards distributed on an RF basis are comparatively free from litigation and the attendant transaction costs. Accordingly, numerous SDOs around the world have adopted RF licensing policies and many widely adopted standards, including Bluetooth, USB, IPv6, HTTP, HTML and XML, are distributed on an RF basis. This note briefly discusses the commercial considerations surrounding RF standards, the relationship between RF standards and open source software (OSS) and the SDO policy mechanisms – including “universal reciprocity” -- that enable RF licensing to succeed in the marketplace. 0142-0461 10.2139/ssrn.4235647 1 JorgeContreras RudiBekkers BradBiddle EnricoBonadio Michael A.Carrier BernardChao CharlesDuan RichardGilbert JoachimHenkel ErikHovenkamp MartinHusovec KaiJakobs Dong-hyuKim Mark A.Lemley Brian J.Love LukeMcDonagh Fiona M.Scott Morton JasonSchultz TimothySimcoe Jennifer M.Urban Joy YXiang incollection 2023_rueppel_crd-b2.ii 2023 2 8 221-246 The main objectives in production technology are quality assurance, cost reduction, and guaranteed process safety and stability. Digital shadows enable a more comprehensive understanding and monitoring of processes on shop floor level. Thus, process information becomes available between decision levels, and the aforementioned criteria regarding quality, cost, or safety can be included in control decisions for production processes. The contextual data for digital shadows typically arises from heterogeneous sources. At shop floor level, the proximity to the process requires usage of available data as well as domain knowledge. Data sources need to be selected, synchronized, and processed. Especially high-frequency data requires algorithms for intelligent distribution and efficient filtering of the main information using real-time devices and in-network computing. Real-time data is enriched by simulations, metadata from product planning, and information across the whole process chain. Well-established analytical and empirical models serve as the base for new hybrid, gray box approaches. These models are then applied to optimize production process control by maximizing the productivity under given quality and safety constraints. To store and reuse the developed models, ontologies are developed and a data lake infrastructure is utilized and constantly enlarged laying the basis for a World Wide Lab (WWL). Finally, closing the control loop requires efficient quality assessment, immediately after the process and directly on the machine. This chapter addresses works in a connected job shop to acquire data, identify and optimize models, and automate systems and their deployment in the Internet of Production (IoP). Process control; Model-based control; Data aggregation; Model identification; Model optimization internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-rueppel-iop-b2.i.pdf Springer Interdisciplinary Excellence Accelerator Series Internet of Production: Fundamentals, Applications and Proceedings 978-3-031-44496-8 10.1007/978-3-031-44497-5_7 1 Adrian KarlRüppel MuzafferAy BenediktBiernat IkeKunze MarkusLandwehr SamuelMann JanPennekamp PascalRabe Mark P.Sanders DominikScheurenberg SvenSchiller TiandongXi DirkAbel ThomasBergs ChristianBrecher UweReisgen Robert H.Schmitt KlausWehrle incollection 2023_klugewilkes_crd-b2.iv 2023 2 8 303-328 The increasing product variability and lack of skilled workers demand for autonomous, flexible production. Since assembly is considered a main cost driver and accounts for a major part of production time, research focuses on new technologies in assembly. The paradigm of Line-less Mobile Assembly Systems (LMAS) provides a solution for the future of assembly by mobilizing all resources. Thus, dynamic product routes through spatiotemporally configured assembly stations on a shop floor free of fixed obstacles are enabled. In this chapter, we present research focal points on different levels of LMAS, starting with the macroscopic level of formation planning, followed by the mesoscopic level of mobile robot control and multipurpose input devices and the microscopic level of services, such as interpreting autonomous decisions and in-network computing. We provide cross-level data and knowledge transfer through a novel ontology-based knowledge management. Overall, our work contributes to future safe and predictable human-robot collaboration in dynamic LMAS stations based on accurate online formation and motion planning of mobile robots, novel human-machine interfaces and networking technologies, as well as trustworthy AI-based decisions. Lineless mobile assembly systems (LMAS); Formation planning; Online motion planning; In-network computing; Interpretable AI; Human-machine collaboration; Ontology-based knowledge management internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-klugewilkes-iop-b2.iv.pdf Springer Interdisciplinary Excellence Accelerator Series Internet of Production: Fundamentals, Applications and Proceedings 978-3-031-44496-8 10.1007/978-3-031-44497-5_13 1 AlineKluge-Wilkes RalphBaier DanielGossen IkeKunze AleksandraMüller AmirShahidi DominikWolfschläger ChristianBrecher BurkhardCorves MathiasHüsing VerenaNitsch Robert H.Schmitt KlausWehrle incollection 2023_pennekamp_crd-a.i 2023 2 8 35-60 The Internet of Production (IoP) leverages concepts such as digital shadows, data lakes, and a World Wide Lab (WWL) to advance today’s production. Consequently, it requires a technical infrastructure that can support the agile deployment of these concepts and corresponding high-level applications, which, e.g., demand the processing of massive data in motion and at rest. As such, key research aspects are the support for low-latency control loops, concepts on scalable data stream processing, deployable information security, and semantically rich and efficient long-term storage. In particular, such an infrastructure cannot continue to be limited to machines and sensors, but additionally needs to encompass networked environments: production cells, edge computing, and location-independent cloud infrastructures. Finally, in light of the envisioned WWL, i.e., the interconnection of production sites, the technical infrastructure must be advanced to support secure and privacy-preserving industrial collaboration. To evolve today’s production sites and lay the infrastructural foundation for the IoP, we identify five broad streams of research: (1) adapting data and stream processing to heterogeneous data from distributed sources, (2) ensuring data interoperability between systems and production sites, (3) exchanging and sharing data with different stakeholders, (4) network security approaches addressing the risks of increasing interconnectivity, and (5) security architectures to enable secure and privacy-preserving industrial collaboration. With our research, we evolve the underlying infrastructure from isolated, sparsely networked production sites toward an architecture that supports high-level applications and sophisticated digital shadows while facilitating the transition toward a WWL. Cyber-physical production systems; Data streams; Industrial data processing; Industrial network security; Industrial data security; Secure industrial collaboration internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2023/2023-pennekamp-iop-a.i.pdf Springer Interdisciplinary Excellence Accelerator Series Internet of Production: Fundamentals, Applications and Proceedings 978-3-031-44496-8 10.1007/978-3-031-44497-5_2 1 JanPennekamp AnastasiiaBelova ThomasBergs MatthiasBodenbenner AndreasBührig-Polaczek MarkusDahlmanns IkeKunze MoritzKröger SandraGeisler MartinHenze DanielLütticke BenjaminMontavon PhilippNiemietz LuciaOrtjohann MaximilianRudack Robert H.Schmitt UweVroomen KlausWehrle MichaelZeng inproceedings 2023-lorz-cired 2023 3286-3290 ven2us 27th International Conference on Electricity Distribution (CIRED 2023), Rome, Italy, June 12-15, 2023 Rome, Italy International Conference & Exhibition on Electricity Distribution (CIRED) June 12-15, 2023 10.1049/icp.2023.0864 1 TobiasLorz JohannJaeger AntigonaSelimaj ImmanuelHacker AndreasUlbig Jan-PeterHeckel ChristianBecker MarkusDahlmanns Ina BereniceFink KlausWehrle GerritErichsen MichaelSchindler RainerLuxenburger GuosongLin inproceedings 2022-serror-ccs-inside 2022 11 7 https://www.comsys.rwth-aachen.de/fileadmin/papers/2022/2022-serror-ccs-inside.pdf ACM online Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security Los Angeles, CA, USA November 8, 2022 10.1145/3548606.3563500 1 MartinSerror LennartBader MartinHenze ArneSchwarze KaiNürnberger inproceedings 2022-rechenberg-cim 2022 10 Maritime Cybersecurity, Intrusion Detection System, Integrated Bridge System, IEC 61162-450, NMEA 0183 https://www.comsys.rwth-aachen.de/fileadmin/papers/2022/2022-rechenberg-guiding.pdf https://zenodo.org/record/7148794 Zenodo European Workshop on Maritime Systems Resilience and Security (MARESEC 2022) Bremerhaven, Germany 10.5281/zenodo.7148794 1 Merlinvon Rechenberg NinaRößler MariSchmidt KonradWolsing FlorianMotz MichaelBergmann ElmarPadilla JanBauer proceedings 2022-wolsing-radarsec 2022 9 rfc https://www.comsys.rwth-aachen.de/fileadmin/papers/2022/2022-wolsing-radar.pdf IEEE Edmonton, Canada 47th IEEE Conference on Local Computer Networks (LCN) September 26-29, 2022 10.1109/LCN53696.2022.9843801 1 KonradWolsing AntoineSaillard JanBauer EricWagner Christianvan Sloun Ina BereniceFink MariSchmidt KlausWehrle MartinHenze inproceedings 2022-schemmel-kdalloc 2022 6 safe https://drops.dagstuhl.de/opus/volltexte/2022/16237/pdf/LIPIcs-ECOOP-2022-9.pdf European Conference on Object-Oriented Programming (ECOOP 2022) 10.4230/LIPIcs.ECOOP.2022.9 1 DanielSchemmel JulianBüning FrankBusse MartinNowack CristianCadar inproceedings 2022_dahlmanns_tlsiiot 2022 5 31 252-266 The ongoing trend to move industrial appliances from previously isolated networks to the Internet requires fundamental changes in security to uphold secure and safe operation. Consequently, to ensure end-to-end secure communication and authentication, (i) traditional industrial protocols, e.g., Modbus, are retrofitted with TLS support, and (ii) modern protocols, e.g., MQTT, are directly designed to use TLS. To understand whether these changes indeed lead to secure Industrial Internet of Things deployments, i.e., using TLS-based protocols, which are configured according to security best practices, we perform an Internet-wide security assessment of ten industrial protocols covering the complete IPv4 address space. Our results show that both, retrofitted existing protocols and newly developed secure alternatives, are barely noticeable in the wild. While we find that new protocols have a higher TLS adoption rate than traditional protocols (7.2 % vs. 0.4 %), the overall adoption of TLS is comparably low (6.5 % of hosts). Thus, most industrial deployments (934,736 hosts) are insecurely connected to the Internet. Furthermore, we identify that 42 % of hosts with TLS support (26,665 hosts) show security deficits, e.g., missing access control. Finally, we show that support in configuring systems securely, e.g., via configuration templates, is promising to strengthen security. industrial communication; network security; security configuration internet-of-production, rfc https://www.comsys.rwth-aachen.de/fileadmin/papers/2022/2022-dahlmanns-asiaccs.pdf ACM Proceedings of the 2022 ACM Asia Conference on Computer and Communications Security (ASIACCS '22), May 30-June 3, 2022, Nagasaki, Japan Nagasaki, Japan ASIACCS '22 May 30-June 3, 2022 978-1-4503-9140-5/22/05 10.1145/3488932.3497762 1 MarkusDahlmanns JohannesLohmöller JanPennekamp JörnBodenhausen KlausWehrle MartinHenze inproceedings WagnerBH2022 2022 5 18 207-221 /fileadmin/papers/2022/2022-wagner-r2d2.pdf ACM Proceedings of the 15th ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec '22) San Antonio, Texas, USA 15th ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec '22) 978-1-4503-9216-7/22/05 10.1145/3507657.3528539 1 EricWagner JanBauer MartinHenze inproceedings 2022_wagner_ccchain 2022 5 4 Blockchain technology promises to overcome trust and privacy concerns inherent to centralized information sharing. However, current decentralized supply chain management systems do either not meet privacy and scalability requirements or require a trustworthy consortium, which is challenging for increasingly dynamic supply chains with constantly changing participants. In this paper, we propose CCChain, a scalable and privacy-aware supply chain management system that stores all information locally to give companies complete sovereignty over who accesses their data. Still, tamper protection of all data through a permissionless blockchain enables on-demand tracking and tracing of products as well as reliable information sharing while affording the detection of data inconsistencies. Our evaluation confirms that CCChain offers superior scalability in comparison to alternatives while also enabling near real-time tracking and tracing for many, less complex products. supply chain management; blockchain; permissionless; deployment; tracing and tracking; privacy internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2022/2022-wagner-ccchain.pdf IEEE Proceedings of the 2022 IEEE International Conference on Blockchain and Cryptocurrency (ICBC '22), May 2-5, 2022, Shanghai, China Shanghai, China May 2-5, 2022 978-1-6654-9538-7/22 10.1109/ICBC54727.2022.9805503 1 EricWagner RomanMatzutt JanPennekamp LennartBader IrakliBajelidze KlausWehrle MartinHenze article 2022_brauner_iop ACM Transactions on Internet of Things 2022 5 1 3 2 The Industrial Internet-of-Things (IIoT) promises significant improvements for the manufacturing industry by facilitating the integration of manufacturing systems by Digital Twins. However, ecological and economic demands also require a cross-domain linkage of multiple scientific perspectives from material sciences, engineering, operations, business, and ergonomics, as optimization opportunities can be derived from any of these perspectives. To extend the IIoT to a true Internet of Production, two concepts are required: first, a complex, interrelated network of Digital Shadows which combine domain-specific models with data-driven AI methods; and second, the integration of a large number of research labs, engineering, and production sites as a World Wide Lab which offers controlled exchange of selected, innovation-relevant data even across company boundaries. In this article, we define the underlying Computer Science challenges implied by these novel concepts in four layers: Smart human interfaces provide access to information that has been generated by model-integrated AI. Given the large variety of manufacturing data, new data modeling techniques should enable efficient management of Digital Shadows, which is supported by an interconnected infrastructure. Based on a detailed analysis of these challenges, we derive a systematized research roadmap to make the vision of the Internet of Production a reality. Internet of Production; World Wide Lab; Digital Shadows; Industrial Internet of Things internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2022/2022-brauner-digital-transformation.pdf ACM 2691-1914 10.1145/3502265 1 PhilippBrauner ManuelaDalibor MatthiasJarke IkeKunze IstvánKoren GerhardLakemeyer MartinLiebenberg JudithMichael JanPennekamp ChristophQuix BernhardRumpe Wilvan der Aalst KlausWehrle AndreasWortmann MartinaZiefle article 2022-wolsing-aistracks Journal of Marine Science and Engineering 2022 1 14 10 1 The automatic identification system (AIS) was introduced in the maritime domain to increase the safety of sea traffic. AIS messages are transmitted as broadcasts to nearby ships and contain, among others, information about the identification, position, speed, and course of the sending vessels. AIS can thus serve as a tool to avoid collisions and increase onboard situational awareness. In recent years, AIS has been utilized in more and more applications since it enables worldwide surveillance of virtually any larger vessel and has the potential to greatly support vessel traffic services and collision risk assessment. Anomalies in AIS tracks can indicate events that are relevant in terms of safety and also security. With a plethora of accessible AIS data nowadays, there is a growing need for the automatic detection of anomalous AIS data. In this paper, we survey 44 research articles on anomaly detection of maritime AIS tracks. We identify the tackled AIS anomaly types, assess their potential use cases, and closely examine the landscape of recent AIS anomaly research as well as their limitations. automatic identification system; AIS; anomaly detection; maritime safety; maritime security; maritime surveillance https://www.comsys.rwth-aachen.de/fileadmin/papers/2022/2022-wolsing-aistracks.pdf https://www.mdpi.com/2077-1312/10/1/112 en 10.3390/jmse10010112 1 KonradWolsing LinusRoepert JanBauer KlausWehrle inproceedings lorenz-ven2us-2022 2022 Power grids are increasingly faced with the introduction of decentralized, highly volatile power supplies from renewable energies and high loads occurring from e-mobility. However, today’s static grid protection cannot manage all upcoming conditions while providing a high level of dependability and security. It forms a bottleneck of a future decarbonizing grid development. In our research project, we develop and verify an adaptive grid protection algorithm. It calculates situation dependent protection parameters for the event of power flow shifts and topology changes caused by volatile power supplies due to the increase of renewable generation and the rapid expansion of e-mobility. As a result the distribution grid can be operated with the optimally adapted protection parameters and functions for changing operating states. To safely adjust the values on protection hardware in the field, i.e., safe from hardware failures and cyberattacks, we research resilient and secure communication concepts for the adaptive and interconnected grid protection system. Finally, we validate our concept and system by demonstrations in the laboratory and field tests. ven2us Proceedings of the CIRED workshop on E-mobility and power distribution systems 2022, June 2-3, 2022, Porto, Portugal Porto CIRED workshop on E-mobility and power distribution systems 2022 June 2-3, 2022 10.1049/icp.2022.0768 1 MatthiasLorenz Tobias MarkusPletzer MalteSchuhmacher TorstenSowa MichaelDahms SimonStock DavoodBabazadeh ChristianBecker JohannJaeger TobiasLorz MarkusDahlmanns Ina BereniceFink KlausWehrle AndreasUlbig PhilippLinnartz AntigonaSelimaj ThomasOffergeld inproceedings 2021_pennekamp_laser 2021 12 21 Following the recent Internet of Things-induced trends on digitization in general, industrial applications will further evolve as well. With a focus on the domains of manufacturing and production, the Internet of Production pursues the vision of a digitized, globally interconnected, yet secure environment by establishing a distributed knowledge base. Background. As part of our collaborative research of advancing the scope of industrial applications through cybersecurity and privacy, we identified a set of common challenges and pitfalls that surface in such applied interdisciplinary collaborations. Aim. Our goal with this paper is to support researchers in the emerging field of cybersecurity in industrial settings by formalizing our experiences as reference for other research efforts, in industry and academia alike. Method. Based on our experience, we derived a process cycle of performing such interdisciplinary research, from the initial idea to the eventual dissemination and paper writing. This presented methodology strives to successfully bootstrap further research and to encourage further work in this emerging area. Results. Apart from our newly proposed process cycle, we report on our experiences and conduct a case study applying this methodology, raising awareness for challenges in cybersecurity research for industrial applications. We further detail the interplay between our process cycle and the data lifecycle in applied research data management. Finally, we augment our discussion with an industrial as well as an academic view on this research area and highlight that both areas still have to overcome significant challenges to sustainably and securely advance industrial applications. Conclusions. With our proposed process cycle for interdisciplinary research in the intersection of cybersecurity and industrial application, we provide a foundation for further research. We look forward to promising research initiatives, projects, and directions that emerge based on our methodological work. internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2021/2021-pennekamp-laser-collaboration.pdf ACSA Proceedings of the Workshop on Learning from Authoritative Security Experiment Results (LASER '20), co-located with the 36th Annual Computer Security Applications Conference (ACSAC '20), December 7-11, 2020, Austin, TX, USA Austin, TX, USA Learning from Authoritative Security Experiment Results (LASER '20) December 8, 2020 978-1-891562-81-5 10.14722/laser-acsac.2020.23088 1 JanPennekamp ErikBuchholz MarkusDahlmanns IkeKunze StefanBraun EricWagner MatthiasBrockmann KlausWehrle MartinHenze inproceedings 2021_kiesel_5g 2021 12 15 739-744 Latency-critical applications in production promise to be essential enablers for performance improvement in production. However, they require the right and often wireless communication system. 5G technology appears to be an effective way to achieve communication system for these applications. Its estimated economic benefit on production gross domestic product is immense ($740 billion Euro until 2030). However, 55% of production companies state that 5G technology deployment is currently not a subject matter for them and mainly state the lack of knowledge on benefits as a reason. Currently, it is missing an approach or model for a use case specific, data-based evaluation of 5G technology influence on the performance of production applications. Therefore, this paper presents a model to evaluate the potential of 5G technology for latency-critical applications in production. First, we derive requirements for the model to fulfill the decision-makers' needs. Second, we analyze existing evaluation approaches regarding their fulfillment of the derived requirements. Third, based on outlined research gaps, we develop a model fulfilling the requirements. Fourth, we give an outlook for further research needs. 5G technology; latency-critical applications; production; evaluation model https://www.comsys.rwth-aachen.de/fileadmin/papers/2021/2021-kiesel-5g-model.pdf IEEE Proceedings of the 28th IEEE International Conference on Industrial Engineering and Engineering Management (IEEM '21), December 13-16, 2021, Singapore, Singapore Singapore, Singapore December 13-16, 2021 978-1-6654-3771-4 10.1109/IEEM50564.2021.9673074 1 RaphaelKiesel FalkBoehm JanPennekamp Robert H.Schmitt inproceedings 2021-hemminghaus-sigmar 2021 11 25 Distributed maritime bridge systems are customary standard equipment on today’s commercial shipping and cruising vessels. The exchange of nautical data, e.g., geographical positions, is usually implemented using multicast network communication without security measures, which poses serious risks to the authenticity and integrity of transmitted data. In this paper, we introduce digital SIGnatures for MARitime systems (SIGMAR), a low-cost solution to seamlessly retrofit authentication of nautical data based on asymmetric cryptography. Extending the existing IEC 61162-450 protocol makes it is possible to build a backward-compatible authentication mechanism that prevents common cyber attacks. The development was successfully accompanied by permanent investigations in a bridge simulation environment, including a maritime cyber attack generator. We demonstrate SIGMAR’s feasibility by introducing a proof-of-concept implementation on low-cost and low-resource hardware and present a performance analysis of our approach. Maritime Cyber Security;Authentication;Integrity;IEC 61162-450;NMEA 0183 IEEE In Proceedings of the International Symposium on Networks, Computers and Communications (ISNCC) Dubai, United Arab Emirates International Symposium on Networks, Computers and Communications 31 Oct.-2 Nov. 2021 10.1109/ISNCC52172.2021.9615738 1 ChristianHemminghaus JanBauer KonradWolsing inproceedings 2021-sander-shardingrevisited 2021 11 2 legato /fileadmin/papers/2021/2021-sander-sharding-revisited.pdf https://arxiv.org/abs/2110.14239 ACM Proceedings of the Internet Measurement Conference (IMC '21) Internet Measurement Conference 2021 02.11.21 - 04.11.21 978-1-4503-9129-0/21/11 10.1145/3487552.3487832 1 ConstantinSander LeoBlöcher KlausWehrle JanRüth inproceedings 2021-kunze-signal-detection 2021 6 10 internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2021/2021-kunze-signal-detection.pdf IEEE Proceedings of the 2021 IEEE 30th International Symposium on Industrial Electronics (ISIE) 978-1-7281-9023-5 2163-5145 10.1109/ISIE45552.2021.9576221 1 IkeKunze PhilippNiemietz LiamTirpitz RenéGlebke DanielTrauth ThomasBergs KlausWehrle inproceedings 2021_gleim_factstack 2021 5 31 P-312 371-395 Data exchange throughout the supply chain is essential for the agile and adaptive manufacturing processes of Industry 4.0. As companies employ numerous, frequently mutually incompatible data management and preservation approaches, interorganizational data sharing and reuse regularly requires human interaction and is thus associated with high overhead costs. An interoperable system, supporting the unified management, preservation and exchange of data across organizational boundaries is missing to date. We propose FactStack, a unified approach to data management and preservation based upon a novel combination of existing Web-standards and tightly integrated with the HTTP protocol itself. Based on the FactDAG model, FactStack guides and supports the full data lifecycle in a FAIR and interoperable manner, independent of individual software solutions and backward-compatible with existing resource oriented architectures. We describe our reference implementation of the approach and evaluate its performance, showcasing scalability even to high-throughput applications. We analyze the system's applicability to industry using a representative real-world use case in aircraft manufacturing based on principal requirements identified in prior work. We conclude that FactStack fulfills all requirements and provides a promising solution for the on-demand integration of persistence and provenance into existing resource-oriented architectures, facilitating data management and preservation for the agile and interorganizational manufacturing processes of Industry 4.0. Through its open source distribution, it is readily available for adoption by the community, paving the way for improved utility and usability of data management and preservation in digital manufacturing and supply chains. Lecture Notes in Informatics (LNI), Volume P-312 Web Technologies; Data Management; Memento; Persistence; PID; Industry 4.0 internet-of-production https://comsys.rwth-aachen.de/fileadmin/papers/2021/2021-gleim-btw-iop-interoperability-realization.pdf Gesellschaft für Informatik Proceedings of the 19th Symposium for Database Systems for Business, Technology and Web (BTW '21), September 13-17, 2021, Dresden, Germany Dresden, Germany September 13-17, 2021 978-3-88579-705-0 1617-5468 10.18420/btw2021-20 1 LarsGleim JanPennekamp LiamTirpitz SaschaWelten FlorianBrillowski StefanDecker inproceedings 2021-kunze-coordinate-transformation 2021 5 11 334-340 in-network computing; latency; approximation internet-of-production,reflexes https://www.comsys.rwth-aachen.de/fileadmin/papers/2021/2021-kunze-coordinate-transformation.pdf IEEE Proceedings of the 4th IEEE International Conference on Industrial Cyber-Physical Systems (ICPS '21) 978-1-7281-6207-2 10.1109/ICPS49255.2021.9468247 1 IkeKunze RenéGlebke JanScheiper MatthiasBodenbenner Robert H.Schmitt KlausWehrle article 2021_buckhorst_lmas Procedia CIRP 2021 5 3 99 448-453 Assembly systems must provide maximum flexibility qualified by organization and technology to offer cost-compliant performance features to differentiate themselves from competitors in buyers' markets. By mobilization of multipurpose resources and dynamic planning, Line-less Mobile Assembly Systems (LMASs) offer organizational reconfigurability. By proposing a holarchy to combine LMASs with the concept of an Internet of Production (IoP), we enable LMASs to source valuable information from cross-level production networks, physical resources, software nodes, and data stores that are interconnected in an IoP. The presented holarchy provides a concept of how to address future challenges, meet the requirements of shorter lead times, and unique lifecycle support. The paper suggests an application of decision making, distributed sensor services, recommender-based data reduction, and in-network computing while considering safety and human usability alike. Proceedings of the 14th CIRP Conference on Intelligent Computation in Manufacturing Engineering (ICME '20), July 14-17, 2020, Gulf of Naples, Italy Internet of Production; Line-less Mobile Assembly System; Industrial Assembly; Smart Factory internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2021/2021-buckhorst-holarchy.pdf Elsevier Gulf of Naples, Italy July 14-17, 2020 2212-8271 10.1016/j.procir.2021.03.064 1 Armin F.Buckhorst BenjaminMontavon DominikWolfschläger MelanieBuchsbaum AmirShahidi HenningPetruck IkeKunze JanPennekamp ChristianBrecher MathiasHüsing BurkhardCorves VerenaNitsch KlausWehrle Robert H.Schmitt article 2021_bader_privaccichain Information Processing & Management 2021 5 1 58 3 The benefits of information sharing along supply chains are well known for improving productivity and reducing costs. However, with the shift towards more dynamic and flexible supply chains, privacy concerns severely challenge the required information retrieval. A lack of trust between the different involved stakeholders inhibits advanced, multi-hop information flows, as valuable information for tracking and tracing products and parts is either unavailable or only retained locally. Our extensive literature review of previous approaches shows that these needs for cross-company information retrieval are widely acknowledged, but related work currently only addresses them insufficiently. To overcome these concerns, we present PrivAccIChain, a secure, privacy-preserving architecture for improving the multi-hop information retrieval with stakeholder accountability along supply chains. To address use case-specific needs, we particularly introduce an adaptable configuration of transparency and data privacy within our design. Hence, we enable the benefits of information sharing as well as multi-hop tracking and tracing even in supply chains that include mutually distrusting stakeholders. We evaluate the performance of PrivAccIChain and demonstrate its real-world feasibility based on the information of a purchasable automobile, the e.GO Life. We further conduct an in-depth security analysis and propose tunable mitigations against common attacks. As such, we attest PrivAccIChain's practicability for information management even in complex supply chains with flexible and dynamic business relationships. multi-hop collaboration; tracking and tracing; Internet of Production; e.GO; attribute-based encryption internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2021/2021-bader-ipm-privaccichain.pdf Elsevier 0306-4573 10.1016/j.ipm.2021.102529 1 LennartBader JanPennekamp RomanMatzutt DavidHedderich MarkusKowalski VolkerLücken KlausWehrle inproceedings 2020_pennekamp_parameter_exchange 2020 12 10 510-525 Nowadays, collaborations between industrial companies always go hand in hand with trust issues, i.e., exchanging valuable production data entails the risk of improper use of potentially sensitive information. Therefore, companies hesitate to offer their production data, e.g., process parameters that would allow other companies to establish new production lines faster, against a quid pro quo. Nevertheless, the expected benefits of industrial collaboration, data exchanges, and the utilization of external knowledge are significant. In this paper, we introduce our Bloom filter-based Parameter Exchange (BPE), which enables companies to exchange process parameters privacy-preservingly. We demonstrate the applicability of our platform based on two distinct real-world use cases: injection molding and machine tools. We show that BPE is both scalable and deployable for different needs to foster industrial collaborations. Thereby, we reward data-providing companies with payments while preserving their valuable data and reducing the risks of data leakage. secure industrial collaboration; Bloom filter; oblivious transfer; Internet of Production internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2020/2020-pennekamp-parameter-exchange.pdf ACM Proceedings of the 36th Annual Computer Security Applications Conference (ACSAC '20), December 7-11, 2020, Austin, TX, USA Austin, TX, USA December 7-11, 2020 978-1-4503-8858-0/20/12 10.1145/3427228.3427248 1 JanPennekamp ErikBuchholz YannikLockner MarkusDahlmanns TiandongXi MarcelFey ChristianBrecher ChristianHopmann KlausWehrle inproceedings 2020-henze-ccs-cybersecurity 2020 11 9 Mitigating cybersecurity threats in power distribution grids requires a testbed for cybersecurity, e.g., to evaluate the (physical) impact of cyberattacks, generate datasets, test and validate security approaches, as well as train technical personnel. In this paper, we present a blueprint for such a testbed that relies on network emulation and power flow computation to couple real network applications with a simulated power grid. We discuss the benefits of our approach alongside preliminary results and various use cases for cybersecurity research and training for power distribution grids. https://www.comsys.rwth-aachen.de/fileadmin/papers/2020/2020-henze-ccs-cybersecurity.pdf ACM

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Proceedings of the 2020 ACM SIGSAC Conference on Computer and Communications Security (CCS ’20), November 9–13, 2020, Virtual Event, USA. Virtual Event, USA November 9-13, 2020 10.1145/3372297.3420016 1 MartinHenze LennartBader JulianFilter OlavLamberts SimonOfner Dennisvan der Velde inproceedings 2020_matzutt_anonboot 2020 10 7 531-542 Distributed anonymity services, such as onion routing networks or cryptocurrency tumblers, promise privacy protection without trusted third parties. While the security of these services is often well-researched, security implications of their required bootstrapping processes are usually neglected: Users either jointly conduct the anonymization themselves, or they need to rely on a set of non-colluding privacy peers. However, the typically small number of privacy peers enable single adversaries to mimic distributed services. We thus present AnonBoot, a Sybil-resistant medium to securely bootstrap distributed anonymity services via public blockchains. AnonBoot enforces that peers periodically create a small proof of work to refresh their eligibility for providing secure anonymity services. A pseudo-random, locally replicable bootstrapping process using on-chain entropy then prevents biasing the election of eligible peers. Our evaluation using Bitcoin as AnonBoot's underlying blockchain shows its feasibility to maintain a trustworthy repository of 1000 peers with only a small storage footprint while supporting arbitrarily large user bases on top of most blockchains. anonymization; bootstrapping; public blockchain; Sybil attack; anonymity network; cryptocurrency tumbler; Bitcoin; Tor impact_digital; digital_campus https://www.comsys.rwth-aachen.de/fileadmin/papers/2020/2020-matzutt-anonboot.pdf ACM Proceedings of the 15th ACM ASIA Conference on Computer and Communications Security (ASIACCS '20), October 5-9, 2020, Taipei, Taiwan Taipei, Taiwan ASIACCS 2020 October 5-9, 2020 978-1-4503-6750-9/20/10 10.1145/3320269.3384729 1 RomanMatzutt JanPennekamp ErikBuchholz KlausWehrle article 2020_niemietz_stamping Procedia Manufacturing 2020 7 11 49 61-68 Sharing data between companies throughout the supply chain is expected to be beneficial for product quality as well as for the economical savings in the manufacturing industry. To utilize the available data in the vision of an Internet of Production (IoP) a precise condition monitoring of manufacturing and production processes that facilitates the quantification of influences throughout the supply chain is inevitable. In this paper, we consider stamping processes in the context of an Internet of Production and the preliminaries for analytical models that utilize the ever-increasing available data. Three research objectives to cope with the amount of data and for a methodology to monitor, analyze and evaluate the influence of available data onto stamping processes have been identified: (i) State detection based on cyclic sensor signals, (ii) mapping of in- and output parameter variations onto process states, and (iii) models for edge and in-network computing approaches. After discussing state-of-the-art approaches to monitor stamping processes and the introduction of the fineblanking process as an exemplary stamping process, a research roadmap for an IoP enabling modeling framework is presented. Proceedings of the 8th International Conference on Through-Life Engineering Service (TESConf '19), October 27-29, 2019, Cleveland, OH, USA Stamping Process; Industry 4.0; Fine-blanking; Internet of production; Condition monitoring; Data analytics internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2020/2020-niemietz-stamping-modelling.pdf Elsevier Cleveland, OH, USA October 27-29, 2019 2351-9789 10.1016/j.promfg.2020.06.012 1 PhilippNiemietz JanPennekamp IkeKunze DanielTrauth KlausWehrle ThomasBergs inproceedings 2020-schemmel-porse 2020 7 symbiosys https://arxiv.org/pdf/2005.06688.pdf https://arxiv.org/abs/2005.06688 Computer Aided Verification (CAV 2020) 32nd International Conference on Computer Aided Verification 10.1007/978-3-030-53288-8_18 1 DanielSchemmel JulianBüning CésarRodríguez DavidLaprell KlausWehrle inproceedings 2020_pennekamp_supply_chain_accountability 2020 6 7 Today's supply chains are becoming increasingly flexible in nature. While adaptability is vastly increased, these more dynamic associations necessitate more extensive data sharing among different stakeholders while simultaneously overturning previously established levels of trust. Hence, manufacturers' demand to track goods and to investigate root causes of issues across their supply chains becomes more challenging to satisfy within these now untrusted environments. Complementarily, suppliers need to keep any data irrelevant to such routine checks secret to remain competitive. To bridge the needs of contractors and suppliers in increasingly flexible supply chains, we thus propose to establish a privacy-preserving and distributed multi-hop accountability log among the involved stakeholders based on Attribute-based Encryption and backed by a blockchain. Our large-scale feasibility study is motivated by a real-world manufacturing process, i.e., a fine blanking line, and reveals only modest costs for multi-hop tracing and tracking of goods. supply chain; multi-hop tracking and tracing; blockchain; attribute-based encryption; Internet of Production internet-of-production https://comsys.rwth-aachen.de/fileadmin/papers/2020/2020-pennekamp-supply-chain-privacy.pdf IEEE Proceedings of the 2020 IEEE International Conference on Communications Workshops (ICC Workshops '20), 1st Workshop on Blockchain for IoT and Cyber-Physical Systems (BIoTCPS '20), June 7-11, 2020, Dublin, Ireland Dublin, Ireland June 7-11, 2020 978-1-7281-7440-2 2474-9133 10.1109/ICCWorkshops49005.2020.9145100 1 JanPennekamp LennartBader RomanMatzutt PhilippNiemietz DanielTrauth MartinHenze ThomasBergs KlausWehrle article 2020_gleim_factDAG IEEE Internet of Things Journal 2020 4 14 7 4 3243-3253 In the production industry, the volume, variety and velocity of data as well as the number of deployed protocols increase exponentially due to the influences of IoT advances. While hundreds of isolated solutions exist to utilize this data, e.g., optimizing processes or monitoring machine conditions, the lack of a unified data handling and exchange mechanism hinders the implementation of approaches to improve the quality of decisions and processes in such an interconnected environment. The vision of an Internet of Production promises the establishment of a Worldwide Lab, where data from every process in the network can be utilized, even interorganizational and across domains. While numerous existing approaches consider interoperability from an interface and communication system perspective, fundamental questions of data and information interoperability remain insufficiently addressed. In this paper, we identify ten key issues, derived from three distinctive real-world use cases, that hinder large-scale data interoperability for industrial processes. Based on these issues we derive a set of five key requirements for future (IoT) data layers, building upon the FAIR data principles. We propose to address them by creating FactDAG, a conceptual data layer model for maintaining a provenance-based, directed acyclic graph of facts, inspired by successful distributed version-control and collaboration systems. Eventually, such a standardization should greatly shape the future of interoperability in an interconnected production industry. Data Management; Data Versioning; Interoperability; Industrial Internet of Things; Worldwide Lab internet-of-production https://comsys.rwth-aachen.de/fileadmin/papers/2020/2020-gleim-iotj-iop-interoperability.pdf IEEE 2327-4662 10.1109/JIOT.2020.2966402 1 LarsGleim JanPennekamp MartinLiebenberg MelanieBuchsbaum PhilippNiemietz SimonKnape AlexanderEpple SimonStorms DanielTrauth ThomasBergs ChristianBrecher StefanDecker GerhardLakemeyer KlausWehrle article 2020_mann_welding_layers Advanced Structured Materials 2020 4 1 125 101-118 A connected, digitalized welding production unlocks vast and dynamic potentials: from improving state of the art welding to new business models in production. For this reason, offering frameworks, which are capable of addressing multiple layers of applications on the one hand and providing means of data security and privacy for ubiquitous dataflows on the other hand, is an important step to enable the envisioned advances. In this context, welding production has been introduced from the perspective of interlaced process layers connecting information sources across various entities. Each layer has its own distinct challenges from both a process view and a data perspective. Besides, investigating each layer promises to reveal insight into (currently unknown) process interconnections. This approach has been substantiated by methods for data security and privacy to draw a line between secure handling of data and the need of trustworthy dealing with sensitive data among different parties and therefore partners. In conclusion, the welding production has to develop itself from an accumulation of local and isolated data sources towards a secure industrial collaboration in an Internet of Production. Proceedings of the 1st International Conference on Advanced Joining Processes (AJP '19) Welding Production; Industrie 4.0; Internet of Production; Data Security; Data Privacy Internet-of-Production https://www.comsys.rwth-aachen.de/fileadmin/papers/2020/2020-mann-welding-layers.pdf Springer Ponta Delgada, Azores, Portugal October 24-25, 2019 978-981-15-2956-6 1869-8433 10.1007/978-981-15-2957-3_8 1 SamuelMann JanPennekamp TobiasBrockhoff AnahitaFarhang MahsaPourbafrani LukasOster Merih SeranUysal RahulSharma UweReisgen KlausWehrle Wilvan der Aalst inproceedings 2020-kosek-tcp-conformance 2020 3 30 maki https://www.comsys.rwth-aachen.de/fileadmin/papers/2020/2020-kosek-tcp-conformance-v2.pdf https://arxiv.org/abs/2002.05400 Springer Proceedings of the Passive and Active Measurement Conference (PAM '20) Eugene, Oregon, USA Passive and Active Measurement Conference (PAM 2020) 30.03.2020 - 31.03.2020 en https://doi.org/10.1007/978-3-030-44081-7_8 1 MikeKosek LeoBlöcher JanRüth TorstenZimmermann OliverHohlfeld article 2020-wehrle-digitalshadows Der Profilbereich "Information & Communication Technology" 2020 0179-079X 10.18154/RWTH-2021-02496 MatthiasJarke Wilvan der Aalst ChristianBrecher MatthiasBrockmann IstvánKoren GerhardLakemeyer BernhardRumpe GüntherSchuh KlausWehrle MartinaZiefle article 2019-unterberg-matclass Production Engineering 2019 11 13 13 6 743-749 internet-of-production 10.1007/s11740-019-00928-w 1 MartinUnterberg PhillipNiemietz DanielTrauth KlausWehrle ThomasBergs inproceedings 2019_pennekamp_dataflows 2019 11 11 27-38 The Internet of Production (IoP) envisions the interconnection of previously isolated CPS in the area of manufacturing across institutional boundaries to realize benefits such as increased profit margins and product quality as well as reduced product development costs and time to market. This interconnection of CPS will lead to a plethora of new dataflows, especially between (partially) distrusting entities. In this paper, we identify and illustrate these envisioned inter-organizational dataflows and the participating entities alongside two real-world use cases from the production domain: a fine blanking line and a connected job shop. Our analysis allows us to identify distinct security and privacy demands and challenges for these new dataflows. As a foundation to address the resulting requirements, we provide a survey of promising technical building blocks to secure inter-organizational dataflows in an IoP and propose next steps for future research. Consequently, we move an important step forward to overcome security and privacy concerns as an obstacle for realizing the promised potentials in an Internet of Production. Internet of Production; dataflows; Information Security internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2019/2019-pennekamp-dataflows.pdf ACM Proceedings of the 5th ACM Workshop on Cyber-Physical Systems Security and PrivaCy (CPS-SPC '19), co-located with the 26th ACM SIGSAC Conference on Computer and Communications Security (CCS '19), November 11-15, 2019, London, United Kingdom London, United Kingdom November 11-15, 2019 978-1-4503-6831-5/19/11 10.1145/3338499.3357357 1 JanPennekamp MartinHenze SimoSchmidt PhilippNiemietz MarcelFey DanielTrauth ThomasBergs ChristianBrecher KlausWehrle inproceedings 2019_pennekamp_infrastructure 2019 5 8 31-37 New levels of cross-domain collaboration between manufacturing companies throughout the supply chain are anticipated to bring benefits to both suppliers and consumers of products. Enabling a fine-grained sharing and analysis of data among different stakeholders in an automated manner, such a vision of an Internet of Production (IoP) introduces demanding challenges to the communication, storage, and computation infrastructure in production environments. In this work, we present three example cases that would benefit from an IoP (a fine blanking line, a high pressure die casting process, and a connected job shop) and derive requirements that cannot be met by today’s infrastructure. In particular, we identify three orthogonal research objectives: (i) real-time control of tightly integrated production processes to offer seamless low-latency analysis and execution, (ii) storing and processing heterogeneous production data to support scalable data stream processing and storage, and (iii) secure privacy-aware collaboration in production to provide a basis for secure industrial collaboration. Based on a discussion of state-of-the-art approaches for these three objectives, we create a blueprint for an infrastructure acting as an enabler for an IoP. Internet of Production; Cyber-Physical Systems; Data Processing; Low Latency; Secure Industrial Collaboration internet-of-production https://www.comsys.rwth-aachen.de/fileadmin/papers/2019/2019-pennekamp-iop-infrastructure.pdf IEEE Proceedings of the 2nd IEEE International Conference on Industrial Cyber-Physical Systems (ICPS '19), May 6-9, 2019, Taipei, TW Taipei, TW May 6-9, 2019 978-1-5386-8500-6/19 10.1109/ICPHYS.2019.8780276 1 JanPennekamp RenéGlebke MartinHenze TobiasMeisen ChristophQuix RihanHai LarsGleim PhilippNiemietz MaximilianRudack SimonKnape AlexanderEpple DanielTrauth UweVroomen ThomasBergs ChristianBrecher AndreasBührig-Polaczek MatthiasJarke KlausWehrle inproceedings 2019-glebke-hicss-integrated 2019 1 8 7252-7261 internet-of-production,reflexes https://www.comsys.rwth-aachen.de/fileadmin/papers/2019/2019-glebke-integrated.pdf Online University of Hawai'i at Manoa / AIS Proceedings of the 52nd Hawaii International Conference on System Sciences (HICSS), Wailea, HI, USA en 978-0-9981331-2-6 10.24251/HICSS.2019.871 1 RenéGlebke MartinHenze KlausWehrle PhilippNiemietz DanielTrauth PatrickMattfeld ThomasBergs article 2019_wehrle_dagstuhl_beginners ACM SIGCOMM Computer Communication Review 2019 1 49 1 24-30 Reproducibility is one of the key characteristics of good science, but hard to achieve for experimental disciplines like Internet measurements and networked systems. This guide provides advice to researchers, particularly those new to the field, on designing experiments so that their work is more likely to be reproducible and to serve as a foundation for follow-on work by others. 0146-4833 10.1145/3314212.3314217 VaibhavBajpai AnnaBrunstrom AnjaFeldmann WolfgangKellerer AikoPras HenningSchulzrinne GeorgiosSmaragdakis MatthiasWählisch KlausWehrle inproceedings 2018-bader-ethereum-car-insurance 2018 12 9 mynedata, internet-of-production, rfc https://www.comsys.rwth-aachen.de/fileadmin/papers/2018/2018-bader-ethereum-car-insurance.pdf https://ieeexplore.ieee.org/document/8644136 IEEE 2018 IEEE Globecom Workshops (GC Wkshps) Abu Dhabi, United Arab Emirates 1st International Workshop on Blockchain in IoT, co-located with IEEE Globecom 2018 2018-12-09 10.1109/GLOCOMW.2018.8644136 1 LennartBader Jens ChristophBürger RomanMatzutt KlausWehrle inproceedings 2018-cav-schemmel-liveness 2018 7 14 symbiosys https://www.comsys.rwth-aachen.de/fileadmin/papers/2018/2018-schemmel-symbolic-liveness-analysis-of-real-world-software.pdf Computer Aided Verification (CAV 2018) Oxford, Great Britain 30th International Conference on Computer Aided Verification 2018-07-14 to 2018-07-17 en 10.1007/978-3-319-96142-2_27 1 DanielSchemmel JulianBüning OscarSoria Dustmann ThomasNoll KlausWehrle inproceedings 2018-hiller-ic2e-cpplintegration 2018 4 19 241-249 ssiclops,iop https://www.comsys.rwth-aachen.de/fileadmin/papers/2018/2018-hiller-ic2e-policy-aware-cloud.pdf https://ieeexplore.ieee.org/document/8360335 IEEE Proceedings of the 2018 IEEE International Conference on Cloud Engineering (IC2E 2018), Orlando, Florida, USA Orlando, Florida, USA 2018 IEEE International Conference on Cloud Engineering (IC2E 2018) 2018-04-19 978-1-5386-5008-0 10.1109/IC2E.2018.00050 1 JensHiller MaelKimmerlin MaxPlauth SeppoHeikkila StefanKlauck VilleLindfors FelixEberhardt DariuszBursztynowski Jesus LlorenteSantos OliverHohlfeld KlausWehrle inproceedings 2017-rueth-iwmeasure 2017 11 1 maki https://www.comsys.rwth-aachen.de/fileadmin/papers/2017/2017-rueth-iwmeasure.pdf ACM In Proceedings of the Internet Measurement Conference (IMC '17) London, UK Proceedings of the 2017 Internet Measurement Conference 01.11.2017 - 03.11.2017 en 10.1145/3131365.3131370 1 JanRüth ChristianBormann OliverHohlfeld inproceedings 2017-stoffers-dsrt-memo-ident 2017 10 18 33-42 Automatic Memoization; Accelerating Parameter Studies; Performance Prediction memosim,symbiosys http://www.comsys.rwth-aachen.de/fileadmin/papers/2017/2017-stoffers-dsrt-memo-ident.pdf Online IEEE Proceedings of the 21st IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications (DS-RT 2017), Rome, Italy Rome, Italy en 10.1109/DISTRA.2017.8167664 1 MirkoStoffers RalfBettermann KlausWehrle conference 2017-fink-brainlab-gmds 2017 8 29 Best Abstract Award https://www.egms.de/static/en/meetings/gmds2017/17gmds137.shtml 06.09.19 German Medical Science GMS Publishing House (2017) 62. Jahrestagung der Deutschen Gesellschaft für Medizinische Informatik, Biometrie und Epidemiologie e.V. (GMDS). Oldenburg GMDS 2017 17-21 September 2017 10.3205/17gmds137 1 Ina BereniceFink BerndHankammer ThomasStopinski YannicTitgemeyer RoannRamos EkaterinaKutafina Jó AgilaBitsch Stephan MichaelJonas proceedings 2017-SymPerfPoster 2017 8 21 spp,erc,symbiosys,reflexes https://www.comsys.rwth-aachen.de/fileadmin/papers/2017/2017-rath-sym-perf-poster.pdf ACM Los Angeles, USA ACM SIGCOMM 2017 Poster 21.8.2017 - 25.8.2017 en 978-1-4503-5057-0/17/08 10.1145/3123878.3131977 1 FelixRath JohannesKrude JanRüth DanielSchemmel OliverHohlfeld Jó AgilaBitsch Link KlausWehrle article dombrowski-vdi VDE Positionspapier 2017 6 1 VDE - Verband der Elektrotechnik, Elektronik, Informationstechnik e.V.

Stresemannallee 15, 60596 Frankfurt am Main, Germany

IsmetAktas AlexanderBentkus FlorianBonanati ArminDekorsy ChristianDombrowski MichaelDoubrava AliGolestani FrankHofmann MikeHeidrich StefanHiensch RüdigerKays MichaelMeyer AndreasMüller Stephanten Brink NedaPetreska MilanPopovic LutzRauchhaupt AhmadSaad HansSchotten ChristophWöste IngoWolff conference 2017-burgdorf-sleepylab 2017 4 24 1 abstract+poster /fileadmin/papers/2017/2017-burgdorf-sleepylab-ifh17.pdf http://informaticsforhealth.org/wp-content/uploads/2017/04/IFH2017-Digital-Programme.pdf 2017-05-09 Online Informatics for Health 2017, Manchester UK Manchester, UK Informatics for Health 2017, Manchester UK 24-26 April 2017 en 1 AndreasBurgdorf Jó AgilaBitsch Link StephanJonas conference 2017-fink-brainlab 2017 4 24 2 /fileadmin/papers/2017/2017-fink-brainlab.pdf http://informaticsforhealth.org/wp-content/uploads/2017/04/IFH2017-Digital-Programme.pdf 2017-05-09 Online Informatics for Health 2017, Manchester UK Manchester, UK Informatics for Health 2017, Manchester UK 24-26 April 2017 en 1 Ina BereniceFink BerndHankammer ThomasStopinsky RoannRamos EkaterinaKutafina Jó AgilaBitsch Link StephanJonas phdthesis bitsch-2017-enabling-dtn 2017 3 20 14 146 Disruption Tolerant Networking; Neighbor Discovery; Routing https://www.shaker.de/de/content/catalogue/index.asp?ISBN=978-3-8440-5164-3 2017-03-20 Online, Print Klaus Wehrle Shaker

Aachen, Germany

Reports on Communications and Distributed Systems RWTH Aachen University Chair for Communication and Distributed Systems Ph.D. Thesis en 978-3-8440-5164-3 10.2370/9783844051643 1 1 Jó AgilaBitsch proceedings 2017-serror-netsys-industrial 2017 3 16 koi https://www.comsys.rwth-aachen.de/fileadmin/papers/2017/Ansari_et_al_Wireless_Industrial_Automation_Demo_NetSys_2017.pdf IEEE Göttingen, Germany International Conference on Networked Systems (NetSys 2017) 10.1109/NetSys.2017.7931496 1 JunaidAnsari IsmetAktas ChristianBrecher ChristophPallasch NicolaiHoffmann MarkusObdenbusch MartinSerror KlausWehrle JamesGross inproceedings 2017-ziegeldorf-wons-tracemixer 2017 2 21 17-24 mynedata https://www.comsys.rwth-aachen.de/fileadmin/papers/2017/2017-ziegeldorf-wons-tracemixer.pdf Online IEEE Proceedings of the 2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS), Jackson Hole, WY, USA en 978-3-901882-88-3 10.1109/WONS.2017.7888771 1 Jan HenrikZiegeldorf MartinHenze JensBavendiek KlausWehrle book Jakobs_2017_1 2017 12 Hiert gibt es keine Autoren, nur Herausgeber. Kai Jakobs, Knut Blind Mainz Publishers EURAS contributions to standardisation research, 978-3-95886-172-5 KaiJakobs KnutBlind inproceedings 2016-ahmed-sensys-poster-incremental 2016 11 14 1--2 We propose incremental checkpointing techniques enabling transiently powered devices to retain computational state across multiple activation cycles. As opposed to the existing approaches, which checkpoint complete program state, the proposed techniques keep track of modified RAM locations to incrementally update the retained state in secondary memory, significantly reducing checkpointing overhead both in terms of time and energy. /fileadmin/misc/2016/2016-ahmed-sensys-poster-incremental.pdf http://dl.acm.org/citation.cfm?id=2996701 2016-11-20 http://sensys.acm.org/2016/ Online ACM Proceedings of the 14th ACM Conference on Embedded Networked Sensor Systems (SenSys 2016), Stanford, CA, USA Stanford, CA, USA Sensys '16 November 14-16, 2016 en 978-1-4503-4263-6/16/11 http://dx.doi.org/10.1145/2994551.2996701 1 SaadAhmed HassanKhan Junaid HaroonSiddiqui Jó AgilaBitsch Link Muhammad HamadAlizai inproceedings 2016-ackermann-healthcom-eeg-emotion 2016 9 14 159--164 Automatic emotion recognition is an interdisciplinary research field which deals with the algorithmic detection of human affect, e.g. anger or sadness, from a variety of sources, such as speech or facial gestures. Apart from the obvious usage for industry applications in human-robot interaction, acquiring the emotional state of a person automatically also is of great potential for the health domain, especially in psychology and psychiatry. Here, evaluation of human emotion is often done using oral feedback or questionnaires during doctor-patient sessions. However, this can be perceived as intrusive by the patient. Furthermore, the evaluation can only be done in a non-continuous manner, e.g. once a week during therapy sessions. In contrast, using automatic emotion detection, the affect state of a person can be evaluated in a continuous non-intrusive manner, for example to detect early on-sets of depression. An additional benefit of automatic emotion recognition is the objectivity of such an approach, which is not influenced by the perception of the patient and the doctor. To reach the goal of objectivity, it is important, that the source of the emotion is not easily manipulable, e.g. as in the speech modality. To circumvent this caveat, novel approaches in emotion detection research the potential of using physiological measures, such as galvanic skin sensors or pulse meters. In this paper we outline a way of detecting emotion from brain waves, i.e., EEG data. While EEG allows for a continuous, real-time automatic emotion recognition, it furthermore has the charm of measuring the affect close to the point of emergence: the brain. Using EEG data for emotion detection is nevertheless a challenging task: Which features, EEG channel locations and frequency bands are best suited for is an issue of ongoing research. In this paper we evaluate the use of state of the art feature extraction, feature selection and classification algorithms for EEG emotion classification using data from the de facto standard dataset, DEAP. Moreover, we present results that help choose methods to enhance classification performance while simultaneously reducing computational complexity. /fileadmin/papers/2016/2016-ackermann-healthcom-emorec.pdf http://ieeehealthcom2016.com/ Online IEEE 2016 IEEE 18th International Conference on e-Health Networking, Applications and Services (Healthcom) Munich, Germany 2016 IEEE 18th International Conference on e-Health Networking, Applications and Services (Healthcom) September 14-17, 2016 en 978-1-5090-3370-6 1 PascalAckermann ChristianKohlschein Jó AgilaBitsch Link KlausWehrle SabinaJeschke article 2015-cheng-piap-jmu JMIR Mhealth Uhealth 2016 7 20 4 3 e88 piap http://mhealth.jmir.org/2016/3/e88/ http://www.ncbi.nlm.nih.gov/pubmed/27439444 Online en 2291-5222 10.2196/mhealth.5284 1 Paula Glenda FerrerCheng Roann MunozRamos Jó AgilaBitsch Link Stephan MichaelJonas TimIx Portia Lynn QuetulioSee KlausWehrle inproceedings 2016-zimmermann-remp 2016 5 IEEE Proceedings of the IEEE International Conference on Communications (ICC 2016), Kuala Lumpur, Malaysia Kuala Lumpur, Malaysia ICC 2016 23.-27.5.2016 978-1-4799-6664-6 1938-1883 10.1109/ICC.2016.7510787 1 AlexanderFrömmgen TobiasErbshäuser TorstenZimmermann KlausWehrle AlejandroBuchmann inproceedings 2016-ramos-inpact-lexicon 2016 4 30 1--6 29% Acceptance rate /fileadmin/misc/2016/2016-ramos-inpact-lexicon.pdf http://inpact-psychologyconference.org/2016/conference-program/ Online Clara Pracana and Michael Wang World Institute for Advanced Research and Science

Lisbon, Portugal

Proceedings of the International Psychological Applications Conference and Trends (InPACT 2016) Lisbon, Portugal International Psychological Applications Conference and Trends (InPACT 2016) April 30 -- May 2, 2016 en 978-989-99389-6-0 1 Roann MunozRamos Paula Glenda FerrerCheng Jó AgilaBitsch Link Stephan MichaelJonas inproceedings 2016-ramos-inpact-feeling-meh 2016 4 30 1--4 29% Acceptance rate /fileadmin/misc/2016/2016-ramos-inpact-feeling-meh.pdf http://inpact-psychologyconference.org/2016/conference-program/ Online Clara Pracana and Michael Wang World Institute for Advanced Research and Science

Lisbon, Portugal

Proceedings of the International Psychological Applications Conference and Trends (InPACT 2016) Lisbon, Portugal International Psychological Applications Conference and Trends (InPACT 2016) April 30 -- May 2, 2016 en 978-989-99389-6-0 1 Roann MunozRamos Paula Glenda FerrerCheng Jó AgilaBitsch Link Stephan MichaelJonas article 2015-Jakobs-PIK PIK – Praxis der Informationsverarbeitung und Kommunikation 2016 38 4 129-133 DE 1865-8342 HelenBolke-Hermanns KaiJakobs article 2016-sdnflex_si Wiley Journal of Network Management 2016 26 1 http://onlinelibrary.wiley.com/doi/10.1002/nem.1915/pdf OliverHohlfeld ThomasZinner TheophilusBenson DavidHausheer inproceedings 2015-zimmermann-remp 2015 12 1 ACM Proceedings of the 2015 CoNEXT on Student Workshop, CoNEXT Student Workshop, Heidelberg, Germany Heidelberg, Germany CoNEXT 2015 1.-4.12.2015 1 AlexanderFrömmgen TobiasErbshäuser TorstenZimmermann KlausWehrle AlejandroBuchmann inproceedings 2015-gerdes-authorization 2015 9 iotsec Online D•A•CH Security 2015 Sankt Augustin, Germany D•A•CH Security 2015 08.09. - 09.09.2015 accepted de 1 StefanieGerdes RenéHummen OlafBergmann inproceedings 2015-bitsch-phealth-piap 2015 6 2 211 153 --159 Depression is the most prevalent clinical disorder and one of the main causes of disability. This makes early detection of depressive symptoms critical in its prevention and management. This paper presents and discusses the development of Psychologist in a Pocket (PiaP), a mental mHealth application for Android which screens and monitors for these symptoms, and–given the explicit permission of the user–alerts a trusted contact such as the mental health professional or a close friend, if it detects symptoms. All text inputted electronically–such as short message services, emails, social network posts–is analyzed based on keywords related to depression based on DSM-5 and ICD criteria as well as Beck's Cognitive Theory of Depression and the Self-Focus Model. Data evaluation and collection happen in the background, on- device, without requiring any user involvement. Currently, the application is in an early prototype phase entering initial clinical validation. fileadmin/papers/2015/2015-bitsch-phealth-piap.pdf Print Blobel, Bernd and Lindén, Maria and Ahmed, Mobyen Uddin IOS Press

Amsterdam

Studies in Health Technology and Informatics Proceedings of the 12th International Conference on Wearable Micro and Nano Technologies for Personalized Health Västerås, Sweden 12th International Conference on Wearable Micro and Nano Technologies for Personalized Health June 2-4, 2015 en 978-1-61499-515-9 0926-9630 10.3233/978-1-61499-516-6-153 1 Jó AgilaBitsch Link RoannRamos TimIx Paula GlendaFerrer Cheng KlausWehrle inproceedings 2015-bitsch-phealth-brain 2015 6 2 211 185 -- 190 Bringing brain research tools like EEG devices out of the lab into the pockets of practitioners and researchers may fundamentally change the way we perform diagnostics and research. While most of the current techniques are limited to research clinics and require excessive set-up, new consumer EEG devices connected to standard, off-the-shelf mobile devices allow us to lift these limitations. This allows neuropsychological assessment and research in mobile settings, possibly even in remote areas with limited accessibility and infrastructure, thus bringing the equip- ment to the patient, instead of bringing the patient to the equipment. We are developing an Android based mobile framework to perform EEG studies. By connecting a mobile consumer EEG headset directly to an unmodified mobile device, presenting auditory and visual stimuli, as well as user interaction, we create a self-contained experimental plat- form. We complement this platform by a toolkit for immediate evalua- tion of the recorded data directly on the device, even without internet connectivity. Initial results from the replication of two Event Related Potentials studies indicate the feasibility of the approach. fileadmin/papers/2015/2015-bitsch-phealth-brain.pdf Print Blobel, Bernd and Lindén, Maria and Ahmed, Mobyen Uddin IOS Press

Amsterdam

Studies in Health Technology and Informatics Proceedings of the 12th International Conference on Wearable Micro and Nano Technologies for Personalized Health Västerås, Sweden 12th International Conference on Wearable Micro and Nano Technologies for Personalized Health June 2-4, 2015 en 978-1-61499-515-9 0926-9630 10.3233/978-1-61499-516-6-185 1 Jó AgilaBitsch Link RoannRamos CassandraSeverijns KlausWehrle proceedings 2015-Jakobs-EURAS-Book 2015 Online Mainz Publishers 978-3-95886-035-3 1 KatrineBergh Skriver KaiJakobs JesperJerlang conference HohlfeldIMC 2014 11 ACM Internet Measurement Conference accepted OliverHohlfeld EnricPujol FlorinCiucu AnjaFeldmann PaulBarford article 2014-cheng-acta-geodyn-geomater Acta Geodynamica et Geomaterialia 2014 10 8 11 4 1--12 Accelerometer and inclinometer are inertial sensors capable of measuring corresponding magnitude of Earth gravitational field along the direction of each axis. By means of rotation matrices related to inertial navigation methods, the output values of a three-dimensional accelerometer or a two-dimensional inclinometer can be transformed and processed into the azimuth and dip angle of the monitored target. With the rapid growth in development and cost reduction of Micro Electro Mechanical Systems (MEMS) and Wireless Sensor Network (WSN) in recent years, the engineers are able to carry out real-time wireless geotechnical monitoring during construction. In this paper, we set up a one-day measurement implemented by a self- developed wireless MEMS monitoring system on the surface in the construction site of South Hongmei Road super high way tunnel in Shanghai, by making use of rotation matrices in specific ways, the raw data are processed to expressions of three-dimensional normal vectors that represent the change of the ground. After unifying the vectors in the same coordinate system, we conduct a brief ground settlement analysis by means of an evaluation of the dip angles in the cross section and the azimuths of the sensor nodes. http://www.irsm.cas.cz/index_en.php?page=acta_detail_doi&id=96 Online Institute of Rock Structure and Mechanics of the ASCR, v.v.i.

Prague, Czech Republic

Online en 2336-4351 10.13168/AGG.2014.0015 1 ChengLi TomásFernández-Steeger Jó AgilaBitsch Link MatthiasMay RafigAzzam inproceedings 2014-mass-wirtz-mafi 2014 10 fileadmin/papers/2014/2014-wirtz-mass-mafi.pdf Online IEEE Computer Society Proceedings of The 11th IEEE International Conference on Mobile Ad-hoc and Sensor Systems (IEEE MASS 2014), Philadelphia, PA, USA Philadelphia, USA 11th IEEE International Conference on Mobile Ad-hoc and Sensor Systems (IEEE MASS 2014) 27 - 30 October 2014 en 978-1-4799-6035-4 10.1109/MASS.2014.21 1 HannoWirtz GeorgKunz JohannesLaudenberg RobertBackhaus KlausWehrle inproceedings 2014-aasnet-henze-scslib 2014 9 24 37 370-375 sensorcloud /fileadmin/papers/2014/2014-henze-aasnet-scslib.pdf Online Elsevier Procedia Computer Science The 6th International Symposium on Applications of Ad hoc and Sensor Networks (AASNET'14), Halifax, NS, Canada Halifax, NS, Canada The 6th International Symposium on Applications of Ad hoc and Sensor Networks (AASNET'14) en 10.1016/j.procs.2014.08.055 1 MartinHenze SebastianBereda RenéHummen KlausWehrle inproceedings 2014-chants-wirtz-disco 2014 9 7 1-8 fileadmin/papers/2014/2014-wirtz-chants-challenged_iot.pdf online ACM Proceedings of the 9th ACM MobiCom Workshop on Challenged Networks (CHANTS 2014), Maui, USA Maui, Hawaii, USA Proceedings of the 9th ACM MobiCom Workshop on Challenged Networks (CHANTS 2014) 7 September 2014 en 978-1-4503-3071-8 10.1145/2645672.2645679 1 HannoWirtz JanRüth MartinSerror Jó AgilaBitsch Link KlausWehrle inproceedings 2014-stoffers-omnet-parallel-inet 2014 9 3 http://arxiv.org/pdf/1409.0994 arXiv:1409.0994 Online Cornell University

Ithaca, New York, United States

Proceedings of the 1st OMNeT++ Community Summit, Hamburg, Germany Hamburg, Germany en MirkoStoffers RalfBettermann JamesGross KlausWehrle inproceedings 2014-bitsch-extremecom-demo 2014 8 14 1--2 The majority of research using brain imaging and EEG techniques is currently limited to clinical environments, restricting experiments to synthetic tasks in controlled conditions. Lifting these limitations brought about by this artificial set-up would allow us to perform neuropsychological assessments and research in mobile settings or at locations easier accessible to patients, possibly even in remote, hard to access areas. We developed a tablet based mobile framework to present auditory and visual stimuli, capture wireless commercial EEG and screen interaction data, and analyze the recorded data for immediate evaluation, as well as share the data over internet or local opportunistic links. To demonstrate the feasibility of our approach, we successfully replicated the experimental set-up and evaluation pipeline of two existing EEG studies on event-related potentials. This work therefore lays the foundation to further truly mobile brain research and health-care applications. fileadmin/papers/2014/2014-bitsch-extremcom-mobile-eeg-demo.pdf Online Hui, Pan and Lindgren, Anders ACM Proceedings of the 6th Extreme Conference on Communication Galapagos Islands, Ecuador 6th Extreme Conference on Communication August 11-15, 2014 en 978-1-4503-2929-3 1 Jó AgilaBitsch Link RoannRamos DavidOrlea KlausWehrle inproceedings 2014-bitsch-extremecom-liquid-democracy 2014 8 14 1--4 Work in Progress Paper fileadmin/papers/2014/2014-bitsch-extremecom-liquid-democracy.pdf Online Hui, Pan and Lindgren, Anders ACM Proceedings of the 6th Extreme Conference on Communication Galapagos Islands, Ecuador 6th Extreme Conference on Communication August 11-15, 2014 en 978-1-4503-2929-3 1 Jó AgilaBitsch Link AngelTchorbadjiiski KlausWehrle inproceedings 2013-wintech-bosling-models 2013 9 30 65--72 https://www.comsys.rwth-aachen.de/fileadmin/papers/2013/2013-bosling-wintech-fingerprint.pdf Online ACM Proceedings of the 8th ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization (WiNTECH 2013), Miami, USA Miami, USA 8th ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization (WiNTECH 2013) 30 September 2013 en 10.1145/2505469.2505477 1 MarcelBosling MatteoCeriotti TorstenZimmermann Jó AgilaBitsch Link KlausWehrle inproceedings 2013-smith-extremecom-demo 2013 8 24 1--2 won "coolest demo award" fileadmin/papers/2013/2013-smith-extremecom-opportunistic-deployment-support.pdf Online Hui, Pan and Lindgren, Anders ACM Proceedings of the 5th Extreme Conference on Communication Thorsmork, Iceland 5th Extreme Conference on Communication August 24-30, 2013 en 978-1-4503-2171-6 1 PaulSmith Jó AgilaBitsch Link KlausWehrle inproceedings 2013-bitsch-extremecom-oneway 2013 8 24 1--6 fileadmin/papers/2013/2013-bitsch-extremecom-oneway.pdf Online Hui, Pan and Lindgren, Anders ACM Proceedings of the 5th Extreme Conference on Communication Thorsmork, Iceland 5th Extreme Conference on Communication August 24-30, 2013 en 978-1-4503-2171-6 1 Jó AgilaBitsch Link AlaaAlhamoud KlausWehrle article 2013-fernandez-ceriotti-bitsch-and-then-the-weekend-jsan Journal of Sensor and Actuator Networks 2013 3 11 2 1 156--171 Wireless Sensor Networks (WSNs) are versatile monitoring systems that can provide a large amount of real-time data in scenarios where wired infrastructures are inapplicable or expensive. This technology is expected to be handled by domain experts, who perceive a WSN as a (promised to be) easy to deploy black box. This work presents the deployment experience of a WSN, as conducted by domain experts, in a ground improvement area. Building upon off-the-shelf solutions, a fuel cell powered gateway and 21 sensor devices measuring acceleration, inclination, temperature and barometric pressure were installed to monitor ground subsidence. We report about how poor GSM service, malfunctioning hardware, unknown communication patterns and obscure proprietary software required in-field ad-hoc solutions. Through the lessons learned, we look forward to investigating how to make the deployment of these systems an easier task. sensor network deployment; experiences; in-field debugging http://www.mdpi.com/2224-2708/2/1/156 Online en 2224-2708 10.3390/jsan2010156 1 TomásFernández-Steeger MatteoCeriotti Jó AgilaBitsch Link MatthiasMay KlausHentschel KlausWehrle inproceedings 2012-IPIN-Peter-Versatile-Maps 2012 11 13 1--4 fileadmin/papers/2012/2012-bitsch-IPIN-vegemite.pdf http://www.surveying.unsw.edu.au/ipin2012/proceedings/session.php?code=6C&name=SLAM Online Li, Binghao Li and Gallagher, Thomas School of Surveying and Geospatial Engineering, University of New South Wales, Sydney, Australia Proceedings of the 2012 International Conference on Indoor Positioning and Indoor Navigation (IPIN), Sydney, Australia Sydney, Australia 2012 International Conference on Indoor Positioning and Indoor Navigation November 13--15, 2012 en 978-0-646-57851-4 1 MichaelPeter DieterFritsch BernhardtSchäfer AlfredKleusberg Jó AgilaBitsch Link KlausWehrle inproceedings 2012-IPIN-Viol-HMM 2012 11 13 1--10 fileadmin/papers/2012/2012-11-viol-ipin.pdf http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6418873&tag=1 Online Proceedings of the 2012 International Conference on Indoor Positioning and Indoor Navigation (IPIN), Sydney, Australia Sydney, Australia 2012 International Conference on Indoor Positioning and Indoor Navigation November 13--15, 2012 en 978-1-4673-1955-3 10.1109/IPIN.2012.6418873 1 NicolaiViol Jó AgilaBitsch Link HannoWirtz DirkRothe KlausWehrle inproceedings 2012-IPIN-Bitsch-FlowPath 2012 11 13 10 S. fileadmin/papers/2012/2012-bitsch-IPIN-navigation-on-wheels.pdf http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6418931 Print

Piscataway, NJ, USA

Proceedings of the 2012 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 11-13 November 2012 Sydney, Australia IEEE Sydney, Australia 2012 International Conference on Indoor Positioning and Indoor Navigation November 13--15, 2012 en 978-1-4673-1955-3 10.1109/IPIN.2012.6418931 1 Jó AgilaBitsch Link FelixGerdsmeier PaulSmith KlausWehrle article 2012-JLBS-Bitsch-FootPath Journal of Location Based Services 2012 7 11 7 1 23-43 We present FootPath, a self-contained, map-based indoor navigation system. Using only the accelerometer and the compass readily available in modern smartphones, we accurately localise a user on her route and provide her with turn-by-turn instructions to her destination. To compensate for inaccuracies in step detection and heading estimation, we match the detected steps onto the expected route using sequence alignment algorithms from the field of bioinformatics. As our solution integrates well with OpenStreetMap, it allows painless and cost-efficient collaborative deployment, without the need for additional infrastructure. http://www.tandfonline.com/doi/abs/10.1080/17489725.2012.692620 Online Taylor & Francis

Bristol, PA, USA

en 1748-9733 10.1080/17489725.2012.692620 1 Jó AgilaBitsch Link PaulSmith NicolaiViol KlausWehrle inproceedings 2012-lora-mobiopp-Gossipmule:ScanningandDisseminatingInformationBetweenStationsinCooperativeWLANs 2012 3 15 87-88 In Cooperative WLAN scenarios, the lack of a centralized management, the existence of many administrative domains and the current association process in wireless networks make it difficult to guarantee the quality that users expect from services and networks. We present Gossipmule, an agent for wireless nodes that enhances the QoE perceived by users in Cooperative WLANs. Gossipmule uses mobile Crowdsensing between the wireless nodes to collect and disseminate information regarding the network. This information is used by the agent to have a more assertive association when making decisions regarding the user-AP association. (Poster) /fileadmin/papers/2012/2012-lora-MobiOpp12-Gossipmule.pdf http://dl.acm.org/citation.cfm?id=2159576&CFID=88550183&CFTOKEN=31687193 Online ACM

New York, NY, USA

Proceedings of the Workshop on Mobile Opportunistic Networking ACM/SIGMOBILE MobiOpp 2012, Zurich, Switzerland Zurich, Switzerland Proceedings of the Workshop on Mobile Opportunistic Networking ACM/SIGMOBILE MobiOpp 2012 2012-03-15 en 978-1-4503-1208-0 10.1145/2159576.2159598 1 Mónica AlejandraLora Girón AlexanderPaulus Jó AgilaBitsch Link KlausWehrle inproceedings 2012-extremecom-goliath-adama 2012 3 10 1--2 In this demo we present our architecture for delivering ap- plication services via Disruption or Delay Tolerant Networks (DTNs). The search for a killer application is still ongoing. Our architecture enables the community to quickly proto- type new services and test them in the real world, outside of simulators. Common tasks such as data transportation through the network is handled by the framework but can still be in uenced by the service, if required. A robust plu- gin architecture allows to deploy new applications and rout- ing schemes without aecting stable-running services on the same network, even if the source of the new plugin is un- trusted. Demo Abstract http://extremecom2012.ee.ethz.ch/papers/7-extremecom2012-Goliath.pdf Online Hui, Pan and Lindgren, Anders ETH Zurich

Zurich, Switzerland

Proceedings of the 4th Extreme Conference on Communication Zurich Switzerland 4th Extreme Conference on Communication March 10-14, 2012 en 1 AndréGoliath Jó AgilaBitsch Link KlausWehrle inproceedings 2012-wons-bosling-redmann-weingaertner 2012 1 9 131-134 https://www.comsys.rwth-aachen.de/fileadmin/papers/2012/2012-students-6lowpan-wons2012.pdf http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6138950# Online IEEE

Piscataway, NJ, USA

Proceedings of the 9th International Conference on Wireless On-demand Network Systems and Services (WONS '12), Courmayeur, Italy Courmayeur, Italy en 978-1-4577-1722-2 10.1109/WONS.2012.6152218 1 MarcelBosling TorstenRedmann JeanTekam EliasWeingaertner KlausWehrle inproceedings 2011-globecom-bitsch-geodtn 2011 12 5 1 -- 5 In this paper we present a disruption tolerant routing algorithm based on geographic location information, which improves upon the hop count compared to the current state of the art by up to a factor of three in large scale human networks. Leveraging only the history of geographic movement patterns in the two-hop neighborhood, our algorithm is able to perform well in the absence of knowledge of social interaction between nodes and without detailed future schedule information. Representing previously visited locations as probability distributions encoded in an efficient vector, we formalize a heuristic for efficiently forwarding messages in disruption tolerant networks, implement a framework for comparing our approach with the state of the art, and evaluate key metrics, such as hop count and delivery rate, as well as energy consumption and battery depletion fairness on real world data. We are able to outperform the state of the art in human mobility based networks considerably in terms of energy usage per node, thereby extending data network availability further into areas devoid of otherwise necessary communication infrastructure. fileadmin/papers/2011/2011-GlobeCom-bitsch-geoDTN.pdf Online

Piscataway, NJ, USA

IEEE GLOBECOM 2011 - Next Generation Networking Symposium (GC'11 - NGN), Houston, Texas, USA IEEE Houston, Texas, USA IEEE GLOBECOM 2011 - Next Generation Networking Symposium (GC'11 - NGN) 5-9 December 2011 en 978-1-4244-9268-8 1930-529X 1 Jó AgilaBitsch Link DanielSchmitz KlausWehrle inproceedings 2011-extremecom-bitsch-neighbordiscovery 2011 9 26 1--6 We present an energy efficient neighbor discovery framework that enables Linux and TinyOS based systems to discover and connect to neighbors via IEEE 802.11 and IEEE 802.15.4, which are only available sporadically. Using quorum schemes, we schedule on and off times of the wireless transmitters, to guarantee mutual discovery with minimum power given a specific latency requirement. Neighbor discovery is fundamental to intermittently connected networks, such as disruption and delay tolerant networks and optimizing it, can lead to significant overall energy savings. Using perfect difference sets, our results indicate that we reduce the latency by up to 10 times at a duty cycle of 2% compared to the state of the art. We further define and characterize our neighbor discovery scheme with respect to fairness for asymmetric energy scenarios. Using these results, we allow energy-harvesting applications to adjust neighbor discovery based on their current energy requirements as a well defined trade-off. Neighbor Discovery; Sporadic Connectivity; Wireless Networks fileadmin/papers/2011/2011-ExtremeCom-bitsch-NeighborDiscovery.pdf http://www.cl.cam.ac.uk/~fb375/extremecom/2011/program.html http://dl.acm.org/citation.cfm?id=2414398&CFID=194814085&CFTOKEN=73001357 Online Hui, Pan and Lindgren, Anders ACM Proceedings of the 3rd Extreme Conference of Communication (ExtremeCom 2011), Manaus, Brazil Manaus, Brazil ExtremeCom 2011 26-30 September 2011 en 978-1-4503-1079-6 1 Jó AgilaBitsch Link ChristophWollgarten StefanSchupp KlausWehrle inproceedings 2011-wirtz-chants 2011 9 23 fileadmin/papers/2011/2011-wirtz-chants.pdf Online ACM

New York, NY, USA

Proceedings of the ACM MobiCom Workshop on Challenged Networks (Chants 2011), Las Vegas, NV, USA Las Vegas, NV, USA ACM MobiCom Workshop on Challenged Networks (Chants 2011) 2011-09-23 en 978-1-4503-0870-0 10.1145/2030652.2030666 1 HannoWirtz TobiasHeer RobertBackhaus KlausWehrle inproceedings 2011-ipin-bitsch-footpath-long 2011 9 21 1--8 We present FootPath, a self-contained, map-based indoor navigation system. Using only the accelerometer and the compass readily available in modern smartphones we accurately localize a user on her route, and provide her with turn-by-turn instructions to her destination. To compensate for inaccuracies in step detection and heading estimation, we match the detected steps onto the expected route using sequence alignment algorithms from the field of bioinformatics. As our solution integrates well with OpenStreetMap, it allows painless and cost-efficient collaborative deployment, without the need for additional infrastructure. footpath fileadmin/papers/2011/2011-IPIN-bitsch-footpath-long.pdf http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6071934&tag=1 Online IEEE Proceedings of the 2011 International Conference on Indoor Positioning and Indoor Navigation (IPIN), Guimaraes, Portugal Guimarães, Portugal 2011 International Conference on Indoor Positioning and Indoor Navigation (IPIN) 21-23 September 2011 en 978-1-4577-1803-8 http://dx.doi.org/10.1109/IPIN.2011.6071934 1 Jó AgilaBitsch Link PaulSmith NicolaiViol KlausWehrle inproceedings 2011-ipin-bitsch-footpath 2011 9 21 1--4 We present FootPath, a self-contained, map-based indoor navigation system. Using only the accelerometer and the compass readily available in modern smartphones we accurately localize a user on her route, and provide her with turn-by-turn instructions to her destination. To compensate for inaccuracies in step detection and heading estimation, we match the de- tected steps onto the expected route using sequence alignment algorithms from the field of bioinformatics. As our solution integrates well with OpenStreetMap, it allows painless and cost-efficient collaborative deployment, without the need for additional infrastructure. short paper (long paper is also available) footpath fileadmin/papers/2011/2011-IPIN-bitsch-footpath.pdf http://ipin2011.dsi.uminho.pt/PDFs/Shortpaper/17_Short_Paper.pdf fileadmin/papers/2011/2011-IPIN-bitsch-footpath-slides.pdf Online IEEE Proceedings of the 2011 International Conference on Indoor Positioning and Indoor Navigation (IPIN), Guimaraes, Portugal Guimarães, Portugal 2011 International Conference on Indoor Positioning and Indoor Navigation (IPIN) 21-23 September 2011 en 978-972-8692-63-6 1 Jó AgilaBitsch Link PaulSmith KlausWehrle inproceedings 2011-wintech-wirtz 2011 9 19 89-90 Mobile Ad-Hoc Networks (MANETs) rely on the 802.11 ad- hoc mode to establish communication with nearby peers. In practice, this makes MANETs hard to realize. While 802.11-compliant mobile devices implement the ad-hoc mode on the hardware layer, the software layer typically does not implement support for ad-hoc networking in terms of ad-hoc routing and name resolution protocols. Modern mobile operating systems, such as Android and iOS, even hide the inherent ad-hoc functionality of the wireless card through restrictions in the OS. In contrast to this, support for the 802.11 infrastructure mode is a commodity. We propose establishing ad-hoc networks using the 802.11 infrastructure mode. In MA-Fi (Mobile Ad-Hoc Wi-Fi), a small core of mobile router nodes (RONs) provides infrastruc-ture mode network access to mobile station nodes (STANs). As RONs also act as a station in infrastructure networks of other RONs, MA-Fi achieves multi-hop communication between RON and STAN devices in the overall network. We show the creation and operation of mobile ad-hoc networks using MA-Fi. We focus on mobility of RONs and STANs as well as topology control in the overall network. fileadmin/papers/2011/2011-wirtz-wintech.pdf Online ACM

New York, NY, USA

Proceedings of the Sixth ACM International Workshop on Wireless Network Testbeds, Experimental evaluation and Characterization (WiNTECH 2011), Las Vegas, NV, USA Las Vegas, Nevada, USA The Sixth ACM International Workshop on Wireless Network Testbeds, Experimental evaluation and Characterization 2011-09-19 en 978-1-4503-0867-0 10.1145/2030718.2030737 1 HannoWirtz RobertBackhaus RenéHummen KlausWehrle inproceedings VaegsABW2011 2011 9 16 77-80 A tremendous amount of energy is wasted today, because computing devices are left running all the time even though they are needed only sporadically. Especially in office environments many devices (e.g., printers) are very rarely turned off, because they need to be available from time to time and because it is inconvenient having to switch them on and off manually. Existing solutions, such as Wake-on-LAN (WoL), provide support for managing the power consumption of the network devices remotely using an always-on data channel. However, these solutions are inefficient, because power to the network interface has to be maintained even when the host system is asleep just to ensure remote accessibility. We propose a Wireless Sensor Network (WSN) based out-of-band signaling architecture for network interfaces which minimizes the systems’ power consumption during the large idle periods when nobody is using them. This is done by separating the data and control channels on the Internet-enabled devices using a low-power out-of-band signaling channel based on battery driven, energy scavenging devices. Unlike existing solutions, which only allow parts of the system to go in sleep modes, our architecture allows the whole system, including the main power supply, to be shut down. Our initial investigation indicates a significant reduction in energy consumption of devices during idle times compared to the existing in-band signaling mechanisms such as WoL. Energy Saving, Wireless Sensor Network, Out-of-Band Signalling https://www.comsys.rwth-aachen.de/fileadmin/papers/2011/2011-vaegs-fgsn-ecocom.pdf Online Proceedings of the 10th GI/ITG KuVS Fachgespräch Drahtlose Sensornetze (FGSN), Paderborn, Germany RWTH Aachen University Paderborn, Germany 10th GI/ITG KuVS Fachgespräch Drahtlose Sensornetze (FGSN11) September 15-16, 2011 en 1 TobiasVaegs Muhammad HamadAlizai Jó AgilaBitsch Link KlausWehrle inproceedings 2011-ipsn-alizai-pad 2011 4 fileadmin/papers/2011/2011-ipsn-alizai-pad.pdf Online ACM

New York, NY, USA

Proceedings of the 10th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2011), Chicago, IL, USA Chicago, IL, USA en 978-1-60558-988-6 1 Muhammad HamadAlizai TobiasVaegs OlafLandsiedel StefanGötz Jó AgilaBitsch Link KlausWehrle poster 2011-03-vomLehn-NSDI-PrivacyOnWeb 2011 3 poster and abstract fileadmin/papers/2011/2011-03-vomLehn-NSDI-PrivacyOnWeb.pdf Online 8th USENIX Symposium on Networked Systems Design and Implementation (NSDI '11), Boston, MA, USA Usenix Boston, MA, USA NSDI March 30 – April 1, 2011 accepted en 1 Hendrikvom Lehn Jó AgilaBitsch Link KlausWehrle inproceedings 2010-sensys-alizai-tinywifi 2010 11 429-430 We present TinyWifi, a nesC code base extending TinyOS to support Linux powered network nodes. It enables developers to build arbitrary TinyOS applications and protocols and execute them directly on Linux by compiling for the new TinyWifi platform. Using TinyWifi as a TinyOS platform, we expand the applicability and means of evaluation of wireless protocols originally designed for sensornets towards inherently similar Linux driven ad hoc and mesh networks. Received Best Poster Award fileadmin/papers/2010/2010-11-alizai-tinywifi-sensys.pdf http://portal.acm.org/citation.cfm?id=1870058&preflayout=flat Print ACM

New York, NY, USA

Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems (SenSys 2010), Zurich, Switzerland en 978-1-4503-0344-6 10.1145/1869983.1870058 1 Muhammad HamadAlizai BernhardKirchen Jó AgilaBitsch Link HannoWirtz KlausWehrle inproceedings 201004IPSNbitschratmote 2010 4 12 432--433 In this work, we present RatMote, a new wireless sensor node for subterranean animal habitat monitoring. RatMote has been developed for project RatPack, which aims at creating a new method for behavioral research on rats in their natural environment using wireless sensor nodes. Recent development in microcontroller architecture allowed us to design a sensor node which calculates up to 22 times more operations per mAh than the widely used TelosB node. This significant performance and efficiency increase allows us to perform computationally demanding algorithms inside the node, needed for vocalization analysis, localization, and mapping. Demo Abstract RatPack fileadmin/papers/2010/2010-04-IPSN-bitsch-ratmote.pdf http://doi.acm.org/10.1145/1791212.1791291 Online ACM

New York City, NY, USA

IPSN '10 Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2010), Stockholm, Sweden ACM Stockholm, Sweden 9th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2010) April 12-16, 2010 en 978-1-60558-988-6 http://doi.acm.org/10.1145/1791212.1791291 1 Jó AgilaBitsch Link ThomasBretgeld AndréGoliath KlausWehrle inproceedings 2010-bitsch-link-iq2s-burrowview 2010 3 29 56 -- 61 For a long time, life sciences were restricted to look at animal habitats only post-factum. Pervasive computing puts us in the novel position to gain live views. In this paper we present BurrowView, an application that tracks the movement of rats in their natural habitat and reconstructs the underground tunnel system. To make reliable statements, special consideration has been taken with regard to the information quality. Our system is able to reconstruct paths up to a resolution of 20 cm, the length of a rat without its tail. RatPack fileadmin/papers/2010/2010-03-IQ2S-link-burrowview.pdf http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5470603 Online IEEE

New York City, NY, USA

Proceedings of the Second IEEE International Workshop on Information Quality and Quality of Service for Pervasive Computing (IQ2S 2010), Mannheim, Germany IEEE Mannheim, Germany Second IEEE International Workshop on Information Quality and Quality of Service for Pervasive Computing (IQ2S 2010) March 29 to April 2, 2010 en 978-1-4244-6605-4 10.1109/PERCOMW.2010.5470603 1 Jó AgilaBitsch Link GregorFabritius Muhammad HamadAlizai KlausWehrle inproceedings inproceedingsreference201001227195395138 2010 1 18 1 1-6 This paper presents a cross-layer approach for iterative source-channel decoding (ISCD) in wireless VoIP networks. The novelty of the proposed method is the incorporation of both, speech bits as well as protocol header bits, into the ISCD process. The header bits take the role of pilot bits having perfect reliability. These bits are distributed over the frame as strong supporting points for the MAP decoder which results in a significant enhancement of the output speech quality compared to the benchmark scheme using ISCD for speech only. For this approach, we exploit new cross-layer concepts that support the direct communication between non-adjacent layers. These concepts enable the iterative exchange of extrinsic information between the source decoder located on the application layer and the channel decoder located on the physical layer. This technique can also be applied to audio and video transmission. refector fileadmin/papers/2010/2010-01-scc-breddermann-iscd.pdf CD-ROM / DVD-ROM Rudolf Mathar, Christoph Ruland VDE Verlag

Berlin, Germany

Proceedings of International ITG Conference on Source and Channel Coding Proceedings of International ITG Conference on Source and Channel Coding ITG Siegen International ITG Conference on Source and Channel Coding 2010 January 18-21, 2010 en 978-3-8007-3211-1 1 TobiasBreddermann HelgeLueders PeterVary IsmetAktas FlorianSchmidt inbook 201001ThieleINTECHRatpack 2010 1 629--644 RatPack http://www.comsys.rwth-aachen.de/fileadmin/papers/2010/2010-01-Thiele-INTECH-Ratpack.pdf http://sciyo.com/articles/show/title/dynamic-wireless-sensor-networks-for-animal-behavior-research http://www.intechopen.com/articles/show/title/dynamic-wireless-sensor-networks-for-animal-behavior-research Online Domenico Campolo InTech

Vienna, Austria

32 Recent Advances in Biomedical Engineering en 978-953-7619-57-2 1 JohannesThiele Jó AgilaBitsch Link OkuaryOsechas HanspeterMallot KlausWehrle inbook 2010-kai-standardsedge_coordination 2010 235-248 https://www.comsys.rwth-aachen.de/typo3/file_list.php?id=%2Fvar%2Fwww%2Ffileadmin%2Fpapers%2F2010%2F# print S. Bolin The Bolin Group

San Francisco, CA, US

27 The Standards Edge - Unifier or Divider? en 0974864854 KaiJakobs KnutBlind inproceedings 200912BitschSimBetAge 2009 12 1 13--18 In this paper, we present SimBetAge, a delay and disruption tolerant routing protocol for highly dynamic socially structured mobile networks. We exploit the lightweight and egocentric scheme of SimBet routing while at the same time taking the strength and the gradual aging of social relations into account and thereby increase the performance by one order of magnitude, especially in evolving network structures. We explore the model of similarity and betweenness over weighted graphs, and present a simulation on realistic traces from previous experiments, comparing our approach to the original SimBet, Epidemic Routing and Prophet. RatPack fileadmin/papers/2009/2009-12-Bitsch-SimBetAge.pdf http://portal.acm.org/citation.cfm?id=1659029.1659034&coll=DL&dl=GUIDE&CFID=6806120&CFTOKEN=29162094 http://conferences.sigcomm.org/co-next/2009/workshops/unet/papers/Link.pdf Online Paulo Mendes, Oliver Marcé ACM

New York City, NY, USA

U-NET '09 Proceedings of the 1st ACM workshop on User-provided networking: challenges and opportunities, Rome, Italy ACM Rome, Italy 1st ACM workshop on User-provided networking: challenges and opportunities 1 Dec. 2009 en 978-1-60558-750-9 http://doi.acm.org/10.1145/1659029.1659034 1 Jó AgilaBitsch Link NicolaiViol AndréGoliath KlausWehrle inproceedings 2009-sensys-alizai-burstytraffic 2009 11 71-84 wld fileadmin/papers/2009/2009-alizai-sensys-bre.pdf ACM

New York, NY, USA

Proceeding of 7th ACM Conference on Embedded Networked Sensor Systems (Sensys 09), Berkeley, CA, USA Berkley, California Sensys 09 November 2009 en 978-1-60558-519-2 1 Muhammad HamadAlizai OlafLandsiedel Jó AgilaBitsch Link StefanGötz KlausWehrle techreport 200908alizaifgsnburstyrouting 2009 9 63-66 Accurate estimation of link quality is the key to enable efficient routing in wireless sensor networks. Current link estimators focus mainly on identifying long-term stable links for routing, leaving out a potentiality large set of intermediate links offering significant routing progress. Fine-grained analysis of link qualities reveals that such intermediate links are bursty, i.e., stable in the short term. In this paper, we use short-term estimation of wireless links to accurately identify short-term stable periods of transmission on bursty links. Our approach allows a routing protocol to forward packets over bursty links if they offer better routing progress than long-term stable links. We integrate a Short Term Link Estimator and its associated routing strategy with a standard routing protocol for sensor networks. Our evaluation reveals an average of 22% reduction in the overall transmissions when routing over long-range bursty links. Our approach is not tied to any special routing protocol and integrates seamlessly with existing routing protocols and link estimators. wld fileadmin/papers/2009/2009-08-alizai-fgsn-bursty-routing.pdf doku.b.tu-harburg.de/volltexte/2009/581/pdf/proceedings.pdf Print Technical University Hamburg

Technical University Hamburg

Proceedings of the 8th GI/ITG KuVS Fachgespräch "Wireless Sensor Networks", Hamburg, Germany en 1 Muhammad HamadAlizai OlafLandsiedel Jó AgilaBitsch Link StefanGötz KlausWehrle inproceedings 200907BitschMOBIQUITOUS09SimBetAge 2009 7 13 1--2 In this paper, we present SimBetAge, an extension to SimBet taking into account the gradual aging of connections in social networks which thereby increases the performance by an order of magnitude, especially in evolving network structures. For this purpose, we redefine similarity and betweenness to make use of weighted social network graphs. poster and abstract RatPack fileadmin/papers/2009/2009-07-Bitsch-Mobiquitous09-SimBetAge.pdf http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5326363 Online IEEE

New York City, NY, USA

Proceedings of the 6th Annual International Conference on Mobile and Ubiquitous Systems (MobiQuitous 2009), Toronto, ON, Canada ICST/IEEE Toronto, ON, Canada 6th Annual International Conference on Mobile and Ubiquitous Systems (MobiQuitous 2009) July 13-16, 2009 en 978-963-9799-59-2 10.4108/ICST.MOBIQUITOUS2009.7017 1 Jó AgilaBitsch Link NicolaiViol AndréGoliath KlausWehrle article 2009-thissen-JICWI-replication IADIS International Journal on WWW/Internet 2009 7 1 26-43 Online IADIS Press en 1645-7641 DirkThißen ThomasBrambring inproceedings goetz2008adapt 2008 12 10 5343/2008 287-292 Although modularized protocol frameworks are flexible and adaptive to the increasing heterogeneity of networking environments, it remains a challenge to automatically compose communication stacks from protocol modules. The typical static classification into network layers or class hierarchies cannot appropriately accommodate cross-cutting changes such as overlay routing or cross-layer signaling. In this paper, we discuss how protocol composition can be driven by functionality and demand at runtime based on extensible semantic models of protocols and their execution environment. Such an approach allows to reason about the functionality and quality of automatically composed and adapted protocol compounds and it is open to existing and future protocols. https://www.comsys.rwth-aachen.de/fileadmin/papers/2008/2008-goetz-mobiarch-adapt.pdf Print Karin Anna Hummel and James P. G. Sterbenz Springer-Verlag

Tiergartenstraße 17, 69121 Heidelberg, Germany

Lecture Notes in Computer Science Proceedings of the 3rd International Workshop on Self-Organizing Systems, Vienna, Austria Vienna, Austria 3rd International Workshop on Self-Organizing Systems (IWSOS) 2008-12-10 en 978-3-540-92156-1 10.1007/978-3-540-92157-8\_27 1 StefanGötz ChristianBeckel TobiasHeer KlausWehrle inproceedings 2008-sensys-sasnauskas-kleenet 2008 11 425--426 We present KleeNet, a Klee based bug hunting tool for sensor network applications before deployment. KleeNet automatically tests code for all possible inputs, ensures memory safety, and integrates well into TinyOS based application development life cycle, making it easy for developers to test their applications. bug finding, memory safety, tinyos, type safety kleenet fileadmin/papers/2008/2008-11-Sasnauskas-SenSys08-KleeNet.pdf Print ACM

New York, NY, USA

Proceedings of the 6th ACM conference on Embedded network sensor systems (SenSys'08), Raleigh, NC, USA en 978-1-59593-990-6 http://doi.acm.org/10.1145/1460412.1460485 1 RaimondasSasnauskas Jó AgilaBitsch Link Muhammad HamadAlizai KlausWehrle inproceedings 200810ThieleSensors08RatPack 2008 10 26 709 -- 711 Working towards the observation of rats (and other small rodents) in the wild we have developed tools that will enable us to study their behavior using a wireless network of wearable sensor nodes. The space and weight constraints resulting from the size of the animals have led to simple but functional approaches for vocalization classification and position estimation. For the resulting data we have developed novel, delay-tolerant routing and collection strategies. These are expected to be used in a sparse, dynamic network resulting from various rats being tagged with our nodes and running around freely - an area that will eventually be too big to be covered solely by stationary data sinks. Furthermore, the system is designed to extract information on the social interactions between animals from the routing data. It currently works in an indoor environment and we are preparing it for tests in a controlled outdoor setup. RatPack fileadmin/papers/2008/2008-10-Thiele-Sensors08-RatPack.pdf http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4716540 Online IEEE

New York City, NY, USA

Proceedings of IEEE Sensors 2008, Lecce, Italy IEEE Lecce, Italy IEEE Sensors 2008 26-29 Oct. 2008 en 978-1-4244-2580-8 1930-0395 10.1109/ICSENS.2008.4716540 1 JohannesThiele OkuaryOsechas Jó AgilaBitsch Link KlausWehrle techreport 2008-fgsn-sasnauskas-kleenet 2008 9 Testing sensor network applications is an essential and a difficult task. Due to their distributed and faulty nature, severe resource constraints, unobservable interactions, and limited human interaction, sensor networks, make monitoring and debugging of applications strenuous and more challenging. In this paper we present KleeNet - a Klee based platform independent bug hunting tool for sensor network applications before deployment - which can automatically test applications for all possible inputs, and hence, ensures memory safety for TinyOS based applications. Upon finding a bug, KleeNet generates a concrete test case with real input values identifying a specific error path in a program. Additionally, we show that KleeNet integrates well into TinyOS application development life cycle with minimum manual effort, making it easy for developers to test their applications. kleenet fileadmin/papers/2008/2008-09-Sasnauskas-FGSN08-BugHunting.pdf ftp://ftp.inf.fu-berlin.de/pub/reports/tr-b-08-12.pdf Print Freie Universität Berlin, Institute of Computer Science

Berlin, Germany

Proceedings of the 7th GI/ITG Fachgespraech Wireless Sensor Networks, Berlin, Germany Chair of Communication and Distributed Systems (ComSys) en 1 RaimondasSasnauskas Jó AgilaBitsch Link Muhammad HamadAlizai KlausWehrle inproceedings 200808OsechasEMBC08RatPack 2008 8 20 538--541 The goal of our project is to describe the behavior of rats. For this purpose we are using wireless sensor networks, monitoring various quantities that yield important information to complement current knowledge on the behavioral repertoire of rats. So far, on the sensing and processing side we have developed innovative, minimalist approaches pointing in two directions: vocalization analysis and movement tracking. On the data collection and routing side we have adapted to the known burrowing habits of rats by developing new methods for synchronization and data aggregation under the paradigm of sporadic connectivity in a sparse, dynamic network. Animals;Behavior, Animal;Clothing;Equipment Design;Equipment Failure Analysis;Miniaturization;Monitoring, Ambulatory;Rats;Reproducibility of Results;Sensitivity and Specificity;Transducers; ratpack fileadmin/papers/2008/2008-08-Osechas-EMBC08-RatPack.pdf http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4649209 Online The Printing House

Stoughton, WI, USA

Proceedings of the 30th Annual International IEEE Engineering in Medicine and Biology Conference, Vancouver, BC, Canada IEEE EMBS Vancouver, BC, Canada Engineering in Medicine and Biology Society, 2008. EMBS 2008. 30th Annual International Conference of the IEEE 20-25 Aug. 2008 en 978-1-4244-1814-5 1557-170X 10.1109/IEMBS.2008.4649209 1 OkuaryOsechas JohannesThiele Jó AgilaBitsch Link KlausWehrle inproceedings 200808BitschSIGCOMM08RatPack 2008 8 17 467--468 The goal of this pro ject is to investigate the behavior of wild living rats using sensor networks. The main challenge with respect to communication is the sparse and very dynamic network determined by the burrow dwelling behavior of rats, which makes delay tolerant data transmission schemes a necessity. The physical and computional restrictions in embedded devices make routing an interesting challenge for which we are currently developing new strategies. ratpack fileadmin/papers/2008/2008-08-Bitsch-SIGCOMM08-RatPack.pdf http://conferences.sigcomm.org/sigcomm/2008/posters.php http://www.worldcat.org/title/sigcomm-08-proceedings-of-the-2008-sigcomm-conference-and-co-located-workshops-nsdr08-wosn08-mobiarch08-netecon08-presto08-seattle-wa-usa-august-17-22-2008/oclc/300481768 Online ACM

New York City, NY, USA

ACM SIGCOMM 2008 Poster Proceedings, Seattle, WA, USA ACM Seattle, WA, USA ACM SIGCOMM 2008 August 17-22, 2008 en 978-1-60558-175-0 1 Jó AgilaBitsch Link KlausWehrle OkuaryOsechas JohannesThiele techreport 2008-fgsn-alizai-stle 2008 7 27-30 wld fileadmin/papers/2008/2008-08-alizai-fgsn-stle.pdf ftp://ftp.inf.fu-berlin.de/pub/reports/tr-b-08-12.pdf Print Fachbereich Mathematik und Informatik

Berlin, Germany

Proceedings of the 7th GI/ITG Workshop on Wireless Sensor Networks FGSN 08 September 2010 en 1 Muhammad HamadAlizai OlafLandsiedel KlausWehrle AlexanderBecher inproceedings 2008-becher-hotemnets-linkestimation 2008 6 3 1--5 Commonly, routing in sensor networks is limited to longterm stable links. Unstable links, although often promising to be of large routing progress, are not considered for packet forwarding as link estimators typically cannot handle their dynamics. In this paper we introduce short-term link estimation to capture link dynamics at a high resolution in time and to identify when these render a link temporarily reliable or unreliable. We identify such dynamics based on packet overhearing, predict short-term availability and unavailability, and adapt neighbor tables, thereby enlarging the set of links useable by any routing algorithm. Additionally, we show that short-term link estimation integrates seamlessly into today's sensor network link estimators and routing protocols. wld fileadmin/papers/2008/2008-becher-hotemnets-linkestimation.pdf Online ACM Press

New York, NY, USA

Proceedings of Fifth Workshop on Embedded Networked Sensors (Hot EmNets'08), Charlottesville, VA, USA Chalottesville, USA Fifth Workshop on Embedded Networked Sensors (Hot EmNets'08) June 2-3, 2008 en 978-1-60558-209-2 1 AlexanderBecher OlafLandsiedel GeorgKunz KlausWehrle inbook 2008-thissen-LNCS-management 2008 401-429 Print M. Nagl, W. Marquardt Springer Lecture Notes in Computer Science 4970 Collaborative and Distributed Chemical Engineering, From Understanding to Substantial Design Process Support en 978-3-540-70551-2 YuriBabich OttoSpaniol DirkThißen inbook 2008-thissen-LNCS-synergy 2008 519-526 Print M. Nagl, W. Marquardt Springer Lecture Notes in Computer Science 4970 Collaborative and Distributed Chemical Engineering, From Understanding to Substantial Design Process Support en 978-3-540-70551-2 SimonBecker MarkusHeller MatthiasJarke WolfgangMarquardt ManfredNagl OttoSpaniol DirkThißen inproceedings 2008-thissen-ICEB-replication 2008 155-160 CD-ROM INSTICC Proceedings of the International Conference on e-Business (ICE-B 2008), Porto, Portugal Porto, Portugal International Conference on e-Business (ICE-B 2008) en 978-989-8111-58-6 1 DirkThißen ThomasBrambring inproceedings 2008-thissen-ICWI-replication 2008 283-290 CD-ROM IADIS Press Proceedings of the IADIS International Conference on WWW and Internet (ICWI 2008), Freiburg, Germany Freiburg IADIS International Conference on WWW and Internet (ICWI 2008) 2008 en 978-972-8924-68-3 1 DirkThißen ThomasBrambring inproceedings 200707BitschSNFGRatPack 2007 7 16 2007-11 95 -- 97 The goal of this project is to describe the behaviour of rats. To study this behaviour, we will resort to the use of wireless sensor networks, monitoring various quantities that yield important information to complement current knowledge on the behavioural repertoire of rats. The challenges we face include data acquisition and processing on the one hand, as rat-borne sensor nodes will need to be small enough not to interfere with the rats' own activities, thus limiting the available memory and processing capabilities. Additionally, rats spend a significant amount of time underground, making data transmission and routing a very interesting challenge, for which we are currently developing novel strategies. RatPack fileadmin/papers/2007/2007-07-Bitsch-SNFG-RatPack.pdf Print Klaus Wehrle RWTH Aachen University

Aachen, Germany

AIB 6th GI/ITG KuVS Fachgespräch "Wireless Sensor Networks", Aachen, Germany GI/ITG Fachgruppe "Kommunikation und Verteilte Systeme" Aachen, Germany 6th GI/ITG KuVS Fachgespräch "Wireless Sensor Networks" July 16-17, 2007 en 0935-3232 1 Jó AgilaBitsch Link KlausWehrle OkuaryOsechas JohannesThiele HanspeterMallot inproceedings GarciaMorchonEtAl2007 2007 1 Print IEEE

Washington, DC, USA

1 Proceedings of the third International Conference on Collaborative Computing: Networking, Applications and Worksharing, CollaborateCom 2007 IEEE CollaborateCom en 978-1-4244-1318-8 1 OscarGarcia-Morchon HeribertBaldus TobiasHeer KlausWehrle inproceedings 200606LandsiedelRatWatch 2006 6 19 1 1--2 In an attempt to employ sensor network technology for animal observation, in particular of wild rats, we identified several restrictive shortcomings in existing sensor network research, which we discuss in this paper. (Poster and Abstract) RatPack fileadmin/papers/2006/2006-06-Landsiedel-RatWatch.pdf http://www.sics.se/realwsn06/program.html Online Pedro José Marron and Thiemo Voigt SICS

Uppsala, Sweden

ACM Workshop on Real-World Wireless Sensor Networks (RealWSN) in conjunction with ACM MobiSys, Uppsala, Sweden ACM Uppsala, Sweden ACM Workshop on Real-World Wireless Sensor Networks, REALWSN'06 June 19, 2006 en 1 OlafLandsiedel Jó AgilaBitsch Link KlausWehrle JohannesThiele HanspeterMallot inproceedings 200602LandsiedelEWSNModularSN 2006 2 13 507 22 -- 23 In this paper we present our ongoing work on modular communication protocols for sensor networks. Their modularity allows recomposing a protocol dynamically at runtime and adapting it to the changing needs of a sensor network. Compared to existing work, our componentization is fine grained and protocol independent, enabling a high degree of component reusability. (Poster and Abstract) fileadmin/papers/2006/2006-02-Landsiedel-EWSN-ModularSN.pdf ftp://ftp.inf.ethz.ch/pub/publications/tech-reports/5xx/507.pdf Technical Report Online Kay Römer and Holger Karl and Friedemann Matterns Department of Computer Science, ETH Zurich

Zurich, Switzerland

Technical Report ETH Zurich / Dept. of Computer Science European Workshop on Wireless Sensor Networks (EWSN 2006), Zurich Switzerland EWSN Zurich, Switzerland 3rd European Workshop on Wireless Sensor Networks (EWSN 2006) February 13-15, 2006 en 1 OlafLandsiedel Jó AgilaBitsch Link KatharinaDenkinger KlausWehrle inproceedings 200504mongerinformatiktage 2005

Schloss Birlinghoven

Proceedings of GI-Informatiktage 2005 AndreasMonger StefanieHofmann JanBronni MarcelKronfeld inproceedings 2001-thissen-DSN-critical 2001 2 B68-B69 Print IEEE Proceedings of the 2001 International Conference on Dependable Systems and Networks (DSN 2001), Fast Abstract Track, Göteborg, Sweden Göteborg, Sweden International Conference on Dependable Systems and Networks (DSN 2001) en 0-7695-1101-5 1 RolandBüschkes DirkThißen HaiYu