Publications

Last update: October 2024

Books

• Feld, S. (2019). Alternative Routen in komplexen Umgebungen: Werkzeuge für ortsbezogene Anwendungen und Dienste. Springer Vieweg Wiesbaden. https://doi.org/10.1007/978-3-658-26270-9

• Feld, S., & Linnhoff-Popien, C. (Eds.). (2019). Quantum Technology and Optimization Problems: First International Workshop, QTOP 2019, Munich, Germany, March 18, 2019, Proceedings. Springer Cham. https://doi.org/10.1007/978-3-030-14082-3

Book Chapters

• Werner, M., & Feld, S. (2018). Successful Data Science Is a Communication Challenge. In C. Linnhoff-Popien, R. Schneider, & M. Zaddach (Eds.), Digital Marketplaces Unleashed (pp. 583–592). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-49275-8_52

• Linnhoff-Popien, C., Feld, S., Werner, M., & Schönfeld, M. (2017). Innovationszentrum Mobiles Internet des ZD.B. In A. Bode, M. Broy, H.-J. Bungartz, & F. Matthes (Eds.), 50 Jahre Universitäts-Informatik in München (pp. 87–95). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-54712-0_6

• Beck, M. T., Feld, S., & Schimper, T. (2015). Vom Zugangs- zum Dienstanbieter: Wie Mobilfunkprovider das Internet der Zukunft mitgestalten können. In C. Linnhoff-Popien, M. Zaddach, & A. Grahl (Eds.), Marktplätze im Umbruch: Digitale Strategien für Services im Mobilen Internet (pp. 123–131). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-43782-7_15

Journal Papers

• Wulff, A., Chen, B., Steinberg, M., Tang, Y., Möller, M., & Feld, S. (2024). Quantum computing and tensor networks for laminate design: A novel approach to stacking sequence retrieval. Computer Methods in Applied Mechanics and Engineering, 432, 117380. https://doi.org/10.1016/j.cma.2024.117380

• Paraskevopoulos, N., Almudever, C. G., & Feld, S. (2024). BeSnake: A Routing Algorithm for Scalable Spin-Qubit Architectures. IEEE Transactions on Quantum Engineering, 5, 1–22. https://doi.org/10.1109/TQE.2024.3429451

• Escofet, P., Ovide, A., Bandic, M., Prielinger, L., van Someren, H., Feld, S., Alarcón, E., Abadal, S., & Almudéver, C. G. (2024). Revisiting the Mapping of Quantum Circuits: Entering the Multi-Core Era. ACM Transactions on Quantum Computing, 1–26. https://doi.org/10.1145/3655029

• Steinberg, M., Feld, S., & Jahn, A. (2023). Holographic codes from hyperinvariant tensor networks. Nature Communications, 14(1), 7314. https://doi.org/10.1038/s41467-023-42743-z

• Paraskevopoulos, N., Sebastiano, F., Almudever, C. G., & Feld, S. (2023). SpinQ: Compilation strategies for scalable spin-qubit architectures. ACM Transactions on Quantum Computing, 5(1), 1–36. https://doi.org/10.1145/3624484

• Zielinski, S., Nüßlein, J., Stein, J., Gabor, T., Linnhoff-Popien, C., & Feld, S. (2023). Pattern QUBOs: Algorithmic construction of 3SAT-to-QUBO transformations. MDPI Electronics, 12(16), 3492. https://doi.org/10.3390/electronics12163492

• Stein, J., Ott, D., Nüßlein, J., Bucher, D., Schönfeld, M., & Feld, S. (2023). NISQ-ready community detection based on separation-node identification. MDPI Mathematics, 11(15), 3323. https://doi.org/10.3390/math11153323

• Bandic, M., Almudever, C. G., & Feld, S. (2023). Interaction graph-based characterization of quantum benchmarks for improving quantum circuit mapping techniques. Springer Quantum Machine Intelligence, 5(2), 40. https://doi.org/10.1007/s42484-023-00124-1

• Roch, C., Ratke, D., Nüßlein, J., Gabor, T., & Feld, S. (2023). The Effect of Penalty Factors of Constrained Hamiltonians on the Eigenspectrum in Quantum Annealing. ACM Transactions on Quantum Computing, 4(2), 1–18. https://doi.org/10.1145/3577202

• Lang, J., Zielinski, S., & Feld, S. (2022). Strategic portfolio optimization using simulated, digital, and quantum annealing. MDPI Applied Sciences, 12(23), 12288. https://doi.org/10.3390/app122312288

• Steinberg, M. A., Feld, S., Almudever, C. G., Marthaler, M., & Reiner, J.-M. (2022). Topological-graph dependencies and scaling properties of a heuristic qubit-assignment algorithm. IEEE Transactions on Quantum Engineering, 3, 1–14. https://doi.org/10.1109/TQE.2022.3160015

• Feld, S., Roch, C., Gabor, T., Seidel, C., Neukart, F., Galter, I., Mauerer, W., & Linnhoff-Popien, C. (2019). A hybrid solution method for the capacitated vehicle routing problem using a quantum annealer. Frontiers in ICT, 6, 13. https://doi.org/10.3389/fict.2019.00013

• Sedlmeier, A., & Feld, S. (2018). Learning indoor space perception. Taylor & Francis Journal of Location Based Services, 12(3–4), 179–214. https://doi.org/10.1080/17489725.2018.1539255

• Feld, S., Schönfeld, M., & Werner, M. (2016). Traversing Bitcoin’s P2P network: insights into the structure of a decentralised currency. Inderscience Publishers International Journal of Computational Science and Engineering, 13(2), 122–131. https://doi.org/10.1504/IJCSE.2016.078441

• Dorfmeister, F., Feld, S., & Linnhoff-Popien, C. (2014). ALPACA: A Decentralized, Privacy-Centric and Context-Aware Framework for the Dissemination of Context Information. International Journal On Advances in Intelligent Systems, 7(1–2), 223–236.

• Feld, S., Pohlmann, N., & Spooren, S. (2009). Gefahren und Risiken bei Web 2.0. Springer HMD Praxis Der Wirtschaftsinformatik, 46(3), 104–112. https://doi.org/10.1007/BF03340368

Conference and Workshop Papers

• Hai, R., Hung, S.-H., & Feld, S. (2024). Quantum Data Management: From Theory to Opportunities. 2024 IEEE 40th International Conference on Data Engineering (ICDE), 5376–5381. https://doi.org/10.1109/ICDE60146.2024.00410

• Zielinski, S., Zorn, M., Gabor, T., Feld, S., & Linnhoff-Popien, C. (2024). Using an Evolutionary Algorithm to Create (MAX)-3SAT QUBOs. Proceedings of the Genetic and Evolutionary Computation Conference Companion, 1984–1992. https://doi.org/10.1145/3638530.3664153

• Apak, B., Bandic, M., Sarkar, A., & Feld, S. (2024). KetGPT – Dataset Augmentation of Quantum Circuits Using Transformers. Computational Science – ICCS 2024, 235–251. https://doi.org/10.1007/978-3-031-63778-0_17

• Zielinski, S., Benkard, M., Nüßlein, J., Linnhoff-Popien, C., & Feld, S. (2024). SATQUBOLIB: A Python Framework for Creating and Benchmarking (Max-) 3SAT QUBOs. International Conference on Innovations for Community Services, 48–66. https://doi.org/10.1007/978-3-031-60433-1_4

• Bandic, M., Prielinger, L., Nüßlein, J., Ovide, A., Rodrigo, S., Abadal, S., van Someren, H., Vardoyan, G., Alarcon, E., Almudever, C. G., & Feld, S. (2023). Mapping quantum circuits to modular architectures with QUBO. 2023 IEEE International Conference on Quantum Computing and Engineering (QCE), 790–801. https://doi.org/10.1109/QCE57702.2023.00094

• Bhatnagar, D., Steinberg, M., Elkouss, D., Almudever, C. G., & Feld, S. (2023). Low-depth flag-style syndrome extraction for small quantum error-correction codes. 2023 IEEE International Conference on Quantum Computing and Engineering (QCE), 63–69. https://doi.org/10.1109/QCE57702.2023.00016

• Stougiannidis, P., Stein, J., Bucher, D., Zielinski, S., Linnhoff-Popien, C., & Feld, S. (2023). Approximative lookup-tables and arbitrary function rotations for facilitating NISQ-implementations of the HHL and beyond. 2023 IEEE International Conference on Quantum Computing and Engineering (QCE), 151–160. https://doi.org/10.1109/QCE57702.2023.00025

• Van Der Linde, S., De Kok, W., Bontekoe, T., & Feld, S. (2023). qgym: A Gym for training and benchmarking RL-based quantum compilation. 2023 IEEE International Conference on Quantum Computing and Engineering (QCE), 26–30. https://doi.org/10.1109/QCE57702.2023.10179

• Zielinski, S., Nüßlein, J., Stein, J., Gabor, T., Linnhoff-Popien, C., & Feld, S. (2023). Influence of Different 3SAT-to-QUBO Transformations on the Solution Quality of Quantum Annealing: A Benchmark Study. Proceedings of the Companion Conference on Genetic and Evolutionary Computation, 2263–2271. https://doi.org/10.1145/3583133.3596330

• Nüßlein, J., Zielinski, S., Gabor, T., Linnhoff-Popien, C., & Feld, S. (2023). Solving (max) 3-SAT via quadratic unconstrained binary optimization. International Conference on Computational Science, 34–47. https://doi.org/10.1007/978-3-031-36030-5_3

• Nüßlein, J., Roch, C., Gabor, T., Stein, J., Linnhoff-Popien, C., & Feld, S. (2023). Black box optimization using QUBO and the cross entropy method. International Conference on Computational Science, 48–55. https://doi.org/10.1007/978-3-031-36030-5_4

• Ovide, A., Rodrigo, S., Bandic, M., Van Someren, H., Feld, S., Abadal, S., Alarcon, E., & Almudever, C. G. (2023). Mapping quantum algorithms to multi-core quantum computing architectures. 2023 IEEE International Symposium on Circuits and Systems (ISCAS), 1–5. https://doi.org/10.1109/ISCAS46773.2023.10181589

• Rodrigo, S., Spanò, D., Bandic, M., Abadal, S., Van Someren, H., Ovide, A., Feld, S., Almudéver, C. G., & Alarcón, E. (2022). Characterizing the spatio-temporal qubit traffic of a quantum intranet aiming at modular quantum computer architectures. Proceedings of the 9th ACM International Conference on Nanoscale Computing and Communication, 1–7. https://doi.org/10.1145/3558583.3558846

• Gabor, T., Rosenfeld, M. L., Linnhoff-Popien, C., & Feld, S. (2022). How to approximate any objective function via quadratic unconstrained binary optimization. 2022 IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER), 1249–1257. https://doi.org/10.1109/SANER53432.2022.00149

• Nüßlein, J., Gabor, T., Linnhoff-Popien, C., & Feld, S. (2022). Algorithmic QUBO formulations for k-SAT and hamiltonian cycles. Proceedings of the Genetic and Evolutionary Computation Conference Companion, 2240–2246. https://doi.org/10.1145/3520304.3533952

• Roch, C., Winderl, D., Linnhoff-Popien, C., & Feld, S. (2022). A Quantum Annealing Approach for Solving Hard Variants of the Stable Marriage Problem. International Conference on Innovations for Community Services, 294–307. https://doi.org/10.1007/978-3-031-06668-9_21

• Bandic, M., Feld, S., & Almudever, C. G. (2022). Full-stack quantum computing systems in the NISQ era: algorithm-driven and hardware-aware compilation techniques. 2022 Design, Automation & Test in Europe Conference & Exhibition (DATE), 1–6. https://doi.org/10.23919/DATE54114.2022.9774643

• Roch, C., Impertro, A., Phan, T., Gabor, T., Feld, S., & Linnhoff-Popien, C. (2020). Cross entropy hyperparameter optimization for constrained problem Hamiltonians applied to QAOA. 2020 International Conference on Rebooting Computing (ICRC), 50–57. https://doi.org/10.1109/ICRC2020.2020.00009

• Hahn, C., Feld, S., & Schroter, H. (2020). Predictive collision management for time and risk dependent path planning. Proceedings of the 28th International Conference on Advances in Geographic Information Systems, 405–408. https://doi.org/10.1145/3397536.3422252

• Illium, S., Friese, P. A., Müller, R., & Feld, S. (2020). What to do in the meantime: A service coverage analysis for parked autonomous vehicles. AGILE International Conference on Geographic Information Science, 1–15. https://doi.org/10.5194/agile-giss-1-7-2020

• Friedrich, M., Roch, C., Feld, S., Hahn, C., & Fayolle, P.-A. (2020). A flexible pipeline for the optimization of CSG trees. Proceedings of the 28th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision, 79–88. https://doi.org/10.24132/CSRN.2020.3001.10

• Phan, T., Belzner, L., Schmid, K., Gabor, T., Ritz, F., Feld, S., & Linnhoff-Popien, C. (2020). A Distributed Policy Iteration Scheme for Cooperative Multi-Agent Policy Approximation. 12th Adaptive and Learning Agents Workshop (ALA’20), 1–9.

• Roch, C., Phan, T., Feld, S., Müller, R., Gabor, T., Hahn, C., & Linnhoff-Popien, C. (2020). A quantum annealing algorithm for finding pure Nash equilibria in graphical games. 20th International Conference on Computational Science (ICCS 2020), 488–501. https://doi.org/10.1007/978-3-030-50433-5_38

• Gabor, T., Sünkel, L., Ritz, F., Phan, T., Belzner, L., Roch, C., Feld, S., & Linnhoff-Popien, C. (2020). The holy grail of quantum artificial intelligence: major challenges in accelerating the machine learning pipeline. Proceedings of the IEEE/ACM 42nd International Conference on Software Engineering Workshops, 456–461. https://doi.org/10.1145/3387940.3391469

• Gabor, T., Feld, S., Safi, H., Phan, T., & Linnhoff-Popien, C. (2020). Insights on training neural networks for qubo tasks. Proceedings of the IEEE/ACM 42nd International Conference on Software Engineering Workshops, 436–441. https://doi.org/10.1145/3387940.3391470

• Feld, S., Roch, C., Geirhos, K., & Gabor, T. (2020). Approximating Archetypal Analysis Using Quantum Annealing. 28th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN 2020), 292–296.

• Sax, I., Feld, S., Zielinski, S., Gabor, T., Linnhoff-Popien, C., & Mauerer, W. (2020). Approximate approximation on a quantum annealer. Proceedings of the 17th ACM International Conference on Computing Frontiers, 108–117. https://doi.org/10.1145/3387902.3392635

• Feld, S., Roch, C., Gabor, T., To, X.-T. M., & Linnhoff-Popien, C. (2020). The Dynamic Time Warping Distance Measure as QUBO Formulation. 2020 5th International Conference on Computer and Communication Systems (ICCCS), 946–950. https://doi.org/10.1109/ICCCS49078.2020.9118469

• Gabor, T., Zielinski, S., Roch, C., Feld, S., & Linnhoff-Popien, C. (2020). The UQ Platform: A Unifed Approach To Quantum Annealing. 2020 5th International Conference on Computer and Communication Systems (ICCCS), 115–119. https://doi.org/10.1109/ICCCS49078.2020.9118547

• Hahn, C., Phan, T., Feld, S., Roch, C., Ritz, F., Sedlmeier, A., Gabor, T., & Linnhoff-Popien, C. (2020). Nash Equilibria in Multi-Agent Swarms. 12th International Conference on Agents and Artificial Intelligence (ICAART 2020), 234–241. https://doi.org/10.5220/0008990802340241

• Feld, S., Sedlmeier, A., Friedrich, M., Franz, J., & Belzner, L. (2019). Bayesian Surprise in Indoor Environments. Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 129–138. https://doi.org/10.1145/3347146.3359358

• Figalist, I., Biesdorf, A., Brand, C., Feld, S., & Kiermeier, M. (2019). Supporting the devops feedback loop using unsupervised machine learning. 2019 IEEE International Symposium on INnovations in Intelligent SysTems and Applications (INISTA), 1–6. https://doi.org/10.1109/INISTA.2019.8778283

• Gabor, T., Zielinski, S., Feld, S., Roch, C., Seidel, C., Neukart, F., Galter, I., Mauerer, W., & Linnhoff-Popien, C. (2019). Assessing solution quality of 3SAT on a quantum annealing platform. 1st International Workshop on Quantum Technology and Optimization Problems (QTOP 2019), 23–35. https://doi.org/10.1007/978-3-030-14082-3_3

• Phan, T., Schmid, K., Belzner, L., Gabor, T., Feld, S., & Linnhoff-Popien, C. (2019). Distributed Policy Iteration for Scalable Approximation of Cooperative Multi-Agent Policies (Extended Abstract). 18th International Conference on Autonomous Agents and MultiAgent Systems (AAMAS 2019), 1–3.

• Hahn, C., Feld, S., Zierl, M., & Linnhoff-Popien, C. (2019). Dynamic Path Planning with Stable Growing Neural Gas. 11th International Conference on Agents and Artificial Intelligence (ICAART 2019), 138–145. https://doi.org/10.5220/0007313001380145

• Feld, S., Friedrich, M., & Linnhoff-Popien, C. (2018). Optimizing geometry compression using quantum annealing. 2018 IEEE Globecom Workshops (GC Wkshps), 1–6. https://doi.org/10.1109/GLOCOMW.2018.8644358

• Feld, S., Illium, S., Sedlmeier, A., & Belzner, L. (2018). Trajectory annotation using sequences of spatial perception. Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 329–338. https://doi.org/10.1145/3274895.3274968

• Kiermeier, M., Feld, S., Phan, T., & Linnhoff-Popien, C. (2018). Anomaly detection in spatial layer models of autonomous agents. 19th International Conference on Intelligent Data Engineering and Automated Learning (IDEAL 2018), 156–163. https://doi.org/10.1007/978-3-030-03493-1_17

• Kiermeier, M., & Feld, S. (2018). Visual Analytics for Root Cause Analysis in Self-Organizing Industrial Systems. 2018 IEEE 16th International Conference on Industrial Informatics (INDIN), 315–320. https://doi.org/10.1109/INDIN.2018.8471969

• Hahn, C., & Feld, S. (2018). Collision avoidance using intuitive physics. 2018 Innovations in Intelligent Systems and Applications (INISTA), 1–8. https://doi.org/10.1109/INISTA.2018.8466298

• Friedrich, M., Feld, S., Phan, T., & Fayolle, P.-A. (2018). Accelerating evolutionary construction tree extraction via graph partitioning. 26th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG 2018), 29–37. https://doi.org/10.24132/CSRN.2018.2802.5 29

• Sedlmeier, A., & Feld, S. (2018). Discovering and learning recurring structures in building floor plans. Progress in Location Based Services 2018, 151–170. https://doi.org/10.1007/978-3-319-71470-7_8

• Kiermeier, M., Feld, S., & Linnhoff-Popien, C. (2017). Root cause analysis for global anomalous events in self-organizing industrial systems. 2017 IEEE 21st International Conference on Intelligent Engineering Systems (INES), 163–168. https://doi.org/10.1109/INES.2017.8118549

• Feld, S., Werner, M., & Linnhoff-Popien, C. (2016a). Approximated environment features with application to trajectory annotation. 2016 IEEE Symposium Series on Computational Intelligence (SSCI), 1–7. https://doi.org/10.1109/SSCI.2016.7849993

• Feld, S., Lyu, H., & Keler, A. (2016). Identifying divergent building structures using fuzzy clustering of isovist features. Progress in Location-Based Services 2016, 151–172. https://doi.org/10.1007/978-3-319-47289-8_8

• Feld, S., Werner, M., & Linnhoff-Popien, C. (2016b). Criteria for Selecting Small Sets of Alternative Routes in Constrained Free Space Scenarios. 13th International Conference on Location-Based Services (LBS 2016), 12–29.

• Ebert, A., Feld, S., & Dorfmeister, F. (2016). Segmented and directional impact detection for parked vehicles using mobile devices. 2016 International Conference on Systems, Signals and Image Processing (IWSSIP), 1–4. https://doi.org/10.1109/IWSSIP.2016.7502762

• Ebert, A., Feld, S., & Werner, M. (2015). Nuanced Collision Detection for Parked Vehicles. 12. GI/ITG KuVS Fachgespräch Ortsbezogene Anwendungen Und Dienste (LBAS 2015), 1–8.

• Feld, S., Werner, M., Schönfeld, M., & Hasler, S. (2015). Archetypes of alternative routes in buildings. 2015 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 1–10. https://doi.org/10.1109/IPIN.2015.7346946

• Protschky, V., Feld, S., & Wälischmiller, M. (2015). Traffic signal adaptive routing. 2015 IEEE 18th International Conference on Intelligent Transportation Systems, 450–456. https://doi.org/10.1109/ITSC.2015.81

• Feld, S. (2015). Scoring of alternative routes using implicit building topologies. 2015 Science and Information Conference (SAI), 329–336. https://doi.org/10.1109/SAI.2015.7237165

• Beck, M. T., Feld, S., Fichtner, A., Linnhoff-Popien, C., & Schimper, T. (2015). ME-VoLTE: Network functions for energy-efficient video transcoding at the mobile edge. 2015 18th International Conference on Intelligence in Next Generation Networks, 38–44. https://doi.org/10.1109/ICIN.2015.7073804

• Beck, M. T., Werner, M., Feld, S., & Schimper, T. (2014). Mobile Edge Computing: A Taxonomy. 6th International Conference on Advances in Future Internet (AFIN 2014), 1–7.

• Feld, S., & Werner, M. (2014). Compression of GPS tracks Using Map Information. 11. GI/ITG KuVS Fachgespräch Ortsbezogene Anwendungen Und Dienste (LBAS 2014), 1–9.

• Marouane, C., Maier, M., Feld, S., & Werner, M. (2014). Visual positioning systems – An extension to MoVIPS. 2014 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 95–104. https://doi.org/10.1109/IPIN.2014.7275472

• Werner, M., & Feld, S. (2014). Homotopy and alternative routes in indoor navigation scenarios. 2014 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 230–238. https://doi.org/10.1109/IPIN.2014.7275488

• Feld, S., Schönfeld, M., & Werner, M. (2014). Analyzing the Deployment of Bitcoin’s P2P Network under an AS-level Perspective. International Workshop on Secure Peer-to-Peer Intelligent Networks & Systems (SPINS-2014), 1121–1126. https://doi.org/10.1016/j.procs.2014.05.542

• Wiesner, K., Feld, S., Dorfmeister, F., & Linnhoff-Popien, C. (2014). Right to silence: Establishing map-based silent zones for participatory sensing. 2014 IEEE Ninth International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP), 1–6. https://doi.org/10.1109/ISSNIP.2014.6827657

• Wiesner, K., & Feld, S. (2013). Energy-efficient Tasking in Participatory Sensing Systems. 10. GI/ITG KuVS Fachgespräch Ortsbezogene Anwendungen Und Dienste (LBAS 2013), 1–9.

• Feld, S., Werner, M., & Dorfmeister, F. (2013). Efficient Path Planning Involving Equivalent Places. 10. GI/ITG KuVS Fachgespräch Ortsbezogene Anwendungen Und Dienste (LBAS 2013), 1–10.

• Dorfmeister, F., Feld, S., Linnhoff-Popien, C., & Verclas, S. (2013). Privacy-Centric Modeling and Management of Context Information. 6th International Conference on Advances in Human Oriented and Personalized Mechanisms, Technologies, and Services (CENTRIC 2013), 1–6.

• Feld, S., Pohlmann, N., Sparenberg, M., & Wichmann, B. C. (2012). Analyzing G-20’s Key Autonomus Systems and their Intermeshing using As-Analyzer. ISSE 2012 Securing Electronic Business Processes: Highlights of the Information Security Solutions Europe 2012 Conference, 228–242. https://doi.org/10.1007/978-3-658-00333-3_22

• Feld, S., Perrei, T., Pohlmann, N., & Schupp, M. (2011b). Objectives and added value of an Internet Key Figure System for Germany. ISSE 2011 Securing Electronic Business Processes: Highlights of the Information Security Solutions Europe 2011 Conference, 341–351. https://doi.org/10.1007/978-3-8348-8652-1_30

• Feld, S., Perrei, T., Pohlmann, N., & Schupp, M. (2011a). Ein Internet-Kennzahlensystem für Deutschland: Anforderungen und technische Maßnahmen. D-A-CH Security Konferenz 2011 – Bestandsaufnahme, Konzepte, Anwendungen Und Perspektiven, 1–11.

• Feld, S., & Pohlmann, N. (2010b). Security analysis of OpenID, followed by a reference implementation of an nPA-based OpenID provider. ISSE 2010 Securing Electronic Business Processes: Highlights of the Information Security Solutions Europe 2010 Conference, 13–25. https://doi.org/10.1007/978-3-8348-9788-6_2

• Feld, S., & Pohlmann, N. (2010a). Ein OpenID-Provider mit Proxy-Funktionalität für den nPA. D-A-CH Security Konferenz 2010 – Bestandsaufnahme, Konzepte, Anwendungen Und Perspektiven, 1–15.