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80 Publications
2020 | Journal Article | LibreCat-ID: 20888
Blömer, Johannes, Sascha Brauer, and Kathrin Bujna. “A Complexity Theoretical Study of Fuzzy K-Means.” ACM Transactions on Algorithms 16, no. 4 (2020): 1–25. https://doi.org/10.1145/3409385.
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2020 | Journal Article | LibreCat-ID: 10790
Blömer, Johannes, Sascha Brauer, Kathrin Bujna, and Daniel Kuntze. “How Well Do SEM Algorithms Imitate EM Algorithms? A Non-Asymptotic Analysis for Mixture Models.” Advances in Data Analysis and Classification 14 (2020): 147–173. https://doi.org/10.1007/s11634-019-00366-7.
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2019 | Conference Paper | LibreCat-ID: 13554 | 
Blömer, Johannes, and Nils Löken. “Personal Cross-Platform Reputation.” In Security and Trust Management, STM 2019, Vol. 11738. LNCS, 2019. https://doi.org/10.1007/978-3-030-31511-5_9.
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2019 | Conference Paper | LibreCat-ID: 13557 |
Blömer, Johannes, and Nils Löken. “Dynamic Searchable Encryption with Access Control.” In 12th International Symposium on Foundations and Practice of Security, FPS 2019, Vol. 12056. LNCS. Springer, 2019.
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2019 | Conference Paper | LibreCat-ID: 13904 |
Blömer, Johannes, Jan Bobolz, Denis Pascal Diemert, and Fabian Eidens. “Updatable Anonymous Credentials and Applications to Incentive Systems.” In Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security - CCS ’19. Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security - CCS ’19, 2019. https://doi.org/10.1145/3319535.3354223.
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2018 | Conference Paper | LibreCat-ID: 2862 |
Blömer, Johannes, Fabian Eidens, and Jakob Juhnke. “Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems.” In Topics in Cryptology - {CT-RSA} 2018 - The Cryptographers’ Track at the {RSA} Conference 2018, Proceedings, 470–90. Cham: Springer International Publishing, 2018. https://doi.org/10.1007/978-3-319-76953-0_25.
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2018 | Journal Article | LibreCat-ID: 2685
Blömer, Johannes, and Kathlén Kohn. “Voronoi Cells of Lattices with Respect to Arbitrary Norms.” SIAM Journal on Applied Algebra and Geometry. 2, no. 2 (2018): 314–38. https://doi.org/10.1137/17M1132045.
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2018 | Conference Paper | LibreCat-ID: 3265 |
Bemmann, Kai, Johannes Blömer, Jan Bobolz, Henrik Bröcher, Denis Pascal Diemert, Fabian Eidens, Lukas Eilers, et al. “Fully-Featured Anonymous Credentials with Reputation System.” In Proceedings of the 13th International Conference on Availability, Reliability and Security - ARES ’18. New York, NY, USA: ACM, n.d. https://doi.org/10.1145/3230833.3234517.
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2018 | Conference Paper | LibreCat-ID: 2965
Blömer, Johannes, and Nils Löken. “Cloud Architectures for Searchable Encryption.” In Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018, 25:1--25:10. New York, NY, USA: ACM, n.d. https://doi.org/10.1145/3230833.3230853.
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2018 | Working Paper | LibreCat-ID: 5820
Blömer, Johannes, Jan Bobolz, Christian Scheideler, and Alexander Setzer. Provably Anonymous Communication Based on Trusted Execution Environments, n.d.
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2018 | Conference Paper | LibreCat-ID: 4344
Blömer, Johannes, Sascha Brauer, and Kathrin Bujna. “Coresets for Fuzzy K-Means with Applications.” In 29th International Symposium on Algorithms and Computation (ISAAC 2018), 46:1--46:12. Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, 2018. https://doi.org/10.4230/LIPIcs.ISAAC.2018.46.
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2018 | Conference Paper | LibreCat-ID: 3873 |
Blömer, Johannes, Fabian Eidens, and Jakob Juhnke. “Enhanced Security of Attribute-Based Signatures.” In The International Conference on Cryptology And Network Security (CANS), 11124:235–55. Lecture Notes in Computer Science. Springer, 2018. https://doi.org/10.1007/978-3-030-00434-7_12.
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2018 | Conference Paper | LibreCat-ID: 2379 |
Blömer, Johannes, and Jan Bobolz. “Delegatable Attribute-Based Anonymous Credentials from Dynamically Malleable Signatures.” In ACNS 2018 Applied Cryptography & Network Security. LNCS, n.d. https://doi.org/10.1007/978-3-319-93387-0_12.
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2017 | Conference Paper | LibreCat-ID: 2967 |
Blömer, Johannes, and Gennadij Liske. “Subtleties in Security Definitions for Predicate Encryption with Public Index.” In Proceedings of the International Conference of Mathematical Aspects of Computer and Information Sciences (MACIS), 10693:438–53. Lecture Notes in Computer Science. Cham: Springer International Publishing, 2017. https://doi.org/10.1007/978-3-319-72453-9_35.
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2017 | Conference Paper | LibreCat-ID: 2344 |
Blömer, Johannes, Peter Günther, Volker Krummel, and Nils Löken. “Attribute-Based Encryption as a Service for Access Control in Large-Scale Organizations.” In Foundations and Practice of Security, 3–17. Cham: Springer International Publishing, 2017. https://doi.org/10.1007/978-3-319-75650-9_1.
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2016 | Conference Paper | LibreCat-ID: 2947
Blömer, Johannes, and Peter Günther. “Singular Curve Point Decompression Attack.” In 2015 Workshop on Fault Diagnosis and Tolerance in Cryptography (FDTC). IEEE, 2016. https://doi.org/10.1109/fdtc.2015.17.
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2016 | Book Chapter | LibreCat-ID: 2968
Blömer, Johannes, Christiane Lammersen, Melanie Schmidt, and Christian Sohler. “Theoretical Analysis of the K-Means Algorithm – A Survey.” In Algorithm Engineering, 81–116. Cham: Springer International Publishing, 2016. https://doi.org/10.1007/978-3-319-49487-6_3.
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2016 | Preprint | LibreCat-ID: 2969 |
Blömer, Johannes, Sascha Brauer, and Kathrin Bujna. “Hard-Clustering with Gaussian Mixture Models.” Computing Research Repository, 2016.
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2016 | Book Chapter | LibreCat-ID: 2970
Blömer, Johannes, and Kathrin Bujna. “Adaptive Seeding for Gaussian Mixture Models.” In Advances in Knowledge Discovery and Data Mining, 296–308. Cham: Springer International Publishing, 2016. https://doi.org/10.1007/978-3-319-31750-2_24.
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2016 | Report | LibreCat-ID: 2971
Blömer, Johannes, and Peter Günther. Effizienz Und Sicherheit Paarungsbasierter Kryptographie. Tagungsband des 26. Fraunhofer SIT Smartcard-Workshops, 2016.
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