Designing Business Reputation Ecosystems — A Method for Issuing and Trading Monetary Ratings on a Blockchain
S. Hemmrich, J. Bobolz, D. Beverungen, J. Blömer, in: ECIS 2023 Research Papers, 2023.
LibreCat: /record/44855

Practical Cryptograhic Techniques for Secure and Privacy-Preserving Customer Loyalty Systems
J. Blömer, J. Bobolz, F. Eidens, T. Jager, P. Kramer, in: C.-J. Haake, F. Meyer auf der Heide, M. Platzner, H. Wachsmuth, H. Wehrheim (Eds.), On-The-Fly Computing -- Individualized IT-Services in Dynamic Markets, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2023, pp. 237–246.
LibreCat: /record/45901
DOI: 10.5281/zenodo.8068755

Robustness and Security
J. Blömer, F. Eidens, T. Jager, D. Niehues, C. Scheideler, in: C.-J. Haake, F. Meyer auf der Heide, M. Platzner, H. Wachsmuth, H. Wehrheim (Eds.), On-The-Fly Computing -- Individualized IT-Services in Dynamic Markets, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2023, pp. 145–164.
LibreCat: /record/45891
DOI: 10.5281/zenodo.8068629

On the impossibility of surviving (iterated) deletion of weakly dominated strategies in rational MPC
J. Blömer, J. Bobolz, H. Bröcher, in: 2023.
LibreCat: /record/35014

A Generic Construction of an Anonymous Reputation System and Instantiations from Lattices
J. Blömer, J. Bobolz, L.A. Porzenheim, in: 2023.
LibreCat: /record/43458

A Complexity Theoretical Study of Fuzzy K-Means
J. Blömer, S. Brauer, K. Bujna, ACM Transactions on Algorithms 16 (2020) 1–25.
LibreCat: /record/20888
DOI: 10.1145/3409385

How well do SEM algorithms imitate EM algorithms? A non-asymptotic analysis for mixture models
J. Blömer, S. Brauer, K. Bujna, D. Kuntze, Advances in Data Analysis and Classification 14 (2020) 147–173.
LibreCat: /record/10790
DOI: 10.1007/s11634-019-00366-7

Personal Cross-Platform Reputation
J. Blömer, N. Löken, in: Security and Trust Management, STM 2019, 2019.
LibreCat: /record/13554
DOI: 10.1007/978-3-030-31511-5_9

Dynamic Searchable Encryption with Access Control
J. Blömer, N. Löken, in: 12th International Symposium on Foundations and Practice of Security, FPS 2019, Springer, 2019.
LibreCat: /record/13557

Updatable Anonymous Credentials and Applications to Incentive Systems
J. Blömer, J. Bobolz, D.P. Diemert, F. Eidens, in: Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security - CCS ’19, 2019.
LibreCat: /record/13904
DOI: 10.1145/3319535.3354223

Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems
J. Blömer, F. Eidens, J. Juhnke, in: Topics in Cryptology - CT-RSA 2018 - The Cryptographers’ Track at the RSA Conference 2018, Proceedings, Springer International Publishing, Cham, 2018, pp. 470–490.
LibreCat: /record/2862
DOI: 10.1007/978-3-319-76953-0_25

Voronoi Cells of Lattices with Respect to Arbitrary Norms
J. Blömer, K. Kohn, SIAM Journal on Applied Algebra and Geometry. 2 (2018) 314–338.
LibreCat: /record/2685
DOI: 10.1137/17M1132045

Fully-Featured Anonymous Credentials with Reputation System
K. Bemmann, J. Blömer, J. Bobolz, H. Bröcher, D.P. Diemert, F. Eidens, L. Eilers, J.F. Haltermann, J. Juhnke, B. Otour, L.A. Porzenheim, S. Pukrop, E. Schilling, M. Schlichtig, M. Stienemeier, in: Proceedings of the 13th International Conference on Availability, Reliability and Security - ARES ’18, ACM, New York, NY, USA, n.d.
LibreCat: /record/3265
DOI: 10.1145/3230833.3234517

Cloud Architectures for Searchable Encryption
J. Blömer, N. Löken, in: Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018, ACM, New York, NY, USA, n.d., pp. 25:1--25:10.
LibreCat: /record/2965
DOI: 10.1145/3230833.3230853

Provably Anonymous Communication Based on Trusted Execution Environments
J. Blömer, J. Bobolz, C. Scheideler, A. Setzer, Provably Anonymous Communication Based on Trusted Execution Environments, n.d.
LibreCat: /record/5820

Coresets for Fuzzy K-Means with Applications
J. Blömer, S. Brauer, K. Bujna, in: 29th International Symposium on Algorithms and Computation  (ISAAC 2018), Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, 2018, pp. 46:1--46:12.
LibreCat: /record/4344
DOI: 10.4230/LIPIcs.ISAAC.2018.46

Enhanced Security of Attribute-Based Signatures
J. Blömer, F. Eidens, J. Juhnke, in: The International Conference on Cryptology And Network Security (CANS), Springer, 2018, pp. 235–255.
LibreCat: /record/3873
DOI: 10.1007/978-3-030-00434-7_12

Delegatable Attribute-based Anonymous Credentials from Dynamically Malleable Signatures
J. Blömer, J. Bobolz, in: ACNS 2018 Applied Cryptography &; Network Security, n.d.
LibreCat: /record/2379
DOI: 10.1007/978-3-319-93387-0_12

Subtleties in Security Definitions for Predicate Encryption with Public Index
J. Blömer, G. Liske, in: Proceedings of the International Conference of Mathematical Aspects of Computer and Information Sciences (MACIS), Springer International Publishing, Cham, 2017, pp. 438–453.
LibreCat: /record/2967
DOI: 10.1007/978-3-319-72453-9_35

Attribute-Based Encryption as a Service for Access Control in Large-Scale Organizations
J. Blömer, P. Günther, V. Krummel, N. Löken, in: Foundations and Practice of Security, Springer International Publishing, Cham, 2017, pp. 3–17.
LibreCat: /record/2344
DOI: 10.1007/978-3-319-75650-9_1