Forschungsbericht 2025

Data Engineering E-19

Leitung: Ay, Nihat
Leitung bis 10/2025, Schulte, Stefan
Oberingenieur: Schallmoser, Dominik
Gründungsdatum: 1.9.2021

Institut auf TORE
Institutswebsite

The Institute for Data Engineering at TU Hamburg conducts research and teaching at the intersection of data engineering and distributed systems, with a particular focus on Distributed Stream Processing, Federated Learning / Artificial Intelligence at the Edge, Blockchain Technologies, and the Internet of Things.

Publikationen

• ContinuumConductor: Decentralized process mining on the edge-cloud continuum - Preprint
  Reiter, Hendrik; Edinger, Janick; Kabierski, Martin; Koschmider, Agnes; Landsiedel, Olaf; Lepsien, Arvid; Lu, Xixi; Marrella, Andrea; Serral, Estefania; Schulte, Stefan; Tschorsch, Florian; Weidlich, Matthias; Hasselbring, Wilhelm
  arXiv: 2512.07280 (2025)
  Open Access | Publisher DOI
  
  
• Routing cross-blockchain communication - Conference Paper
  Kobelt, Max; Sober, Michael Peter; Schulte, Stefan; Rometsch, Leandro
  7th Conference on Blockchain Research & Applications for Innovative Networks and Services, BRAINS 2025
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• An AI-powered auto-completion tool for Solidity smart contracts - Conference Paper
  Hensel, Fabian; Banerjee, Avik; Ebrahimi, Elmira; Schulte, Stefan
  IEEE International Conference on Blockchain, Blockchain 2025
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• Detect, adapt, overcome: mitigating concept drift in federated learning - Conference Paper
  Rahman, Iftekhar; Manikku Badu, Nisal Hemadasa; Kaaser, Dominik; Murena, Pierre-Alexandre; Schulte, Stefan
  3rd International Conference on Federated Learning Technologies and Applications, FLTA 2025
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• Securing blockchain-based distributed learning for heterogeneous clients through knowledge distillation and zero-knowledge proofs - Conference Paper
  Nkamdjin Njike, Ghislain; Hoang, Anh-Tu; Schulte, Stefan
  IEEE International Conference on Blockchain, Blockchain 2025
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• Simplifying distributed application deployment at the edge through software-defined overlay networks - Journal Article
  Bornholdt, Heiko; Röbert, Kevin; Schulte, Stefan; Edinger, Janick; Fischer, Mathias
  Computer communications 242: 108294 (2025)
  Open Access | Publisher DOI
  
  
• FLUID: federated learning with unlearning and instant drift-recovery - Conference Paper
  Kumar, Aman; Nisal Hemadasa; Kaaser, Dominik; Schulte, Stefan
  3rd International Conference on Federated Learning Technologies and Applications, FLTA 2025
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• Enhancing privacy through unlinkable data sharing with user-in-the-loop access control - Conference Paper
  Röbert, Kevin; Schallmoser, Dominik; Fischer, Mathias
  13th Annual IEEE Conference on Communications and Network Security, CNS 2025
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• Transactional cross-chain smart contract invocations - Journal Article
  Falazi, Ghareeb; Breitenbücher, Uwe; Leymann, Frank; Schulte, Stefan; Yussupov, Vladimir
  ACM Distributed Ledger Technologies 4 (2): 17 (2025)
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• ProMark : Ensuring Transparency and Privacy-Awareness in Proximity Marketing Advertising Campaigns - Journal Article
  Hoang, Anh-Tu; Carminati, Barbara; Ferrari, Elena
  IEEE Transactions on Dependable and Secure Computing 22 (3): 2119-2131 (2025)
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• Hierarchical bidirectional aggregation for federated learning under concept drift - Conference Paper
  Manikku Badu, Nisal Hemadasa; Kaaser, Dominik; Schulte, Stefan
  10th International Conference on Fog and Mobile Edge Computing, FMEC 2025
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• Non-interactive threshold BBS+ from pseudorandom correlations - Conference Paper
  Faust, Sebastian; Hazay, Carmit; Kretzler, David; Rometsch, Leandro; Schlosser, Benjamin
  RSA Conference, CT-RSA 2025
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• A software-defined overlay networking middleware for a simplified deployment of distributed application at the edge - Conference Paper
  Bornholdt, Heiko; Röbert, Kevin; Schulte, Stefan; Edinger, Janick; Fischer, Mathias
  40th ACM/SIGAPP Symposium on Applied Computing, SAC 2025
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• Unlinkable data sharing with dynamic access control - Conference Paper
  Röbert, Kevin; Kaaser, Dominik; Fischer, Mathias
  40th Annual ACM Symposium on Applied Computing, SAC 2025
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• Towards solidity smart contract efficiency optimization through code mining - Conference Paper
  Banerjee, Avik; Sober, Michael; Schulte, Stefan
  40th Annual ACM Symposium on Applied Computing, SAC 2025
  Open Access | Publisher DOI
  
  
• Adaption via selection: on client selection to counter concept drift in federated learning - Conference Paper
  Thomas, Julius; Saile, Finn; Fischer, Mathias; Kaaser, Dominik; Schulte, Stefan
  11th IFIP WG 6.12 European Conference, ESOCC 2025
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• Towards WebAssembly-based federated learning - Conference Paper
  Gottschalk, Felix; Schulte, Stefan; Manikku Badu, Nisal Hemadasa; Ebrahimi, Elmira; Edinger, Janick; Kaaser, Dominik
  11th IFIP WG 6.12 European Conference, ESOCC 2025
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• Latency-aware placement of stream processing operators in modern-day stream processing frameworks - Journal Article
  Ecker, Raphael; Karagiannis, Vasileios; Sober, Michael Peter; Schulte, Stefan
  Journal of Parallel and Distributed Computing: 105041 (2025)
  Open Access | Publisher DOI
  
  
• Silent self-stabilizing ranking: time optimal and space efficient - Conference Paper
  Berenbrink, Petra; Elsässer, Robert; Götte, Thorsten; Hintze, Lukas; Kaaser, Dominik
  45th IEEE International Conference on Distributed Computing Systems, ICDCS 2025
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• Enhancing privacy through unlinkable data sharing with User-in-the-Loop access control - Conference Paper
  Röbert, Kevin; Kaaser, Dominik; Fischer, Mathias
  13th Annual IEEE Conference on Communications and Network Security, CNS 2025
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• Noisy group testing via spatial coupling - Journal Article
  Coja-Oghlan, Amin; Hahn-Klimroth, Maximilian Grischa; Hintze, Lukas; Kaaser, Dominik; Krieg, Lena; Rolvien, Maurice; Scheftelowitsch, Olga
  Combinatorics Probability and Computing 34 (2): 210-258 (2025)
  Open Access | Publisher DOI
  
  
• Advancing blockchain interoperability: protocols for seamless communication and transactions across blockchain networks - Doctoral Thesis
  Sober, Michael Peter
  Technische Universität Hamburg (2025)
  Open Access
  
  
• Opinion dynamics with median aggregation - Conference Paper
  Berenbrink, Petra; Hoefer, Martin; Kaaser, Dominik; Maack, Marten; Rau, Malin; Wilhelmi, Lisa
  24th International Conference on Autonomous Agents and Multiagent Systems, AAMAS 2025
  
  

Projekte

• NGCN - Next Generation City Networking, Themenkomplex PIONEER_6G
  Deutsches Zentrum Mobilität der Zukunft; Laufzeit 2025-2027
  Projektleitung: Kölpin, Alexander; Timm-Giel, Andreas; Bauch, Gerhard; Yang, Cheng; Kiener, Maximilian; Schulte, Stefan
  Co-Projektleitung: Müller-Lietzkow, Jörg; Noennig Jörg Rainer; Dehbi, Youness
  Mitarbeitende: Rahman, Abidur
  Externe beteiligte Einrichtungen: HafenCity Universität Hamburg; Deutsches Forschungszentrum für Künstliche Intelligenz GmbH; Björn-Steiger-Stiftung; BREUER Nachrichtentechnik GmbH
  
  
• SFB 1615 - Zentralprojekt Z-INF: Verarbeitung von großen Datenmengen für SMARTe Reaktoren
  Deutsche Forschungsgemeinschaft (DFG); Laufzeit 2023-2027
  Projektleitung: Schulte, Stefan
  Mitarbeitende: Schallmoser, Dominik; Tas, Elim
  
  
• CDL-BOT - Christian Doppler Labor für Blockchaintechnologien für das Internet der Dinge
  Christian Doppler Forschungsgesellschaft; Laufzeit 2020-2027
  Projektleitung: Schulte, Stefan
  Mitarbeitende: Sober, Michael Peter