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21 Publications
2009 | Dissertation | LibreCat-ID: 2911
@book{Ackermann_2009, title={Algorithms for the Bregman k-Median Problem}, publisher={Universität Paderborn}, author={Ackermann, Marcel Rudolf}, year={2009} }
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2009 | Book Chapter | LibreCat-ID: 2995
@inbook{Ackermann_Blömer_2009, place={Philadelphia, PA}, title={Coresets and Approximate Clustering for Bregman Divergences}, DOI={10.1137/1.9781611973068.118}, booktitle={Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms}, publisher={Society for Industrial and Applied Mathematics}, author={Ackermann, Marcel R. and Blömer, Johannes}, year={2009}, pages={1088–1097} }
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2010 | Book Chapter | LibreCat-ID: 2988
@inbook{Ackermann_Blömer_2010, place={Berlin, Heidelberg}, series={Lecture Notes in Computer Science}, title={Bregman Clustering for Separable Instances}, DOI={10.1007/978-3-642-13731-0_21}, booktitle={SWAT 2010}, publisher={Springer Berlin Heidelberg}, author={Ackermann, Marcel R. and Blömer, Johannes}, year={2010}, pages={212–223}, collection={Lecture Notes in Computer Science} }
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2010 | Journal Article | LibreCat-ID: 2990
@article{Ackermann_Blömer_Sohler_2010, title={Clustering for Metric and Nonmetric Distance Measures}, DOI={10.1145/1824777.1824779}, number={4}, journal={ACM Trans. Algorithms}, author={Ackermann, Marcel R. and Blömer, Johannes and Sohler, Christian}, year={2010}, pages={59:1--59:26} }
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2010 | Journal Article | LibreCat-ID: 2991
@article{Krueger_Leutnant_Haeb-Umbach_Ackermann_Blömer_2010, title={On the initialization of dynamic models for speech features}, journal={Proc. of ITG Fachtagung Sprachkommunikation. ITG, Bochum, Germany}, author={Krueger, Alexander and Leutnant, Volker and Haeb-Umbach, Reinhold and Ackermann, Marcel and Blömer, Johannes}, year={2010} }
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2011 | Conference Paper | LibreCat-ID: 2985
@article{Ackermann_Blömer_Scholz_2011, series={Electronic Colloquium on Computational Complexity (ECCC)}, title={Hardness and Non-Approximability of Bregman Clustering Problems.}, author={Ackermann, Marcel R and Blömer, Johannes and Scholz, Christoph}, year={2011}, collection={Electronic Colloquium on Computational Complexity (ECCC)} }
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2012 | Conference Paper | LibreCat-ID: 2982
@article{Ackermann_Märtens_Raupach_Swierkot_Lammersen_Sohler_2012, place={New York, NY, USA}, series={ACM Journal of Experimental Algorithmics}, title={StreamKM++: A clustering algorithm for data streams}, volume={17}, DOI={10.1145/2133803.2184450}, publisher={ACM}, author={Ackermann, Marcel Rudolf and Märtens, Marcus and Raupach, Christoph and Swierkot, Kamil and Lammersen, Christiane and Sohler, Christian}, year={2012}, collection={ACM Journal of Experimental Algorithmics} }
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2013 | Dissertation | LibreCat-ID: 2909
@book{Kuntze_2013, title={Practical algorithms for clustering and modeling large data sets - Analysis and improvements}, publisher={Universität Paderborn}, author={Kuntze, Daniel}, year={2013} }
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2014 | Mastersthesis | LibreCat-ID: 2900
@book{Brauer_2014, title={A Probabilistic Expectation Maximization Algorithm for Multivariate Laplacian Mixtures}, author={Brauer, Sascha}, year={2014} }
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2014 | Journal Article | LibreCat-ID: 2976
@article{Ackermann_Blömer_Kuntze_Sohler_2014, title={Analysis of Agglomerative Clustering}, volume={69}, DOI={10.1007/s00453-012-9717-4}, journal={Algorithmica}, publisher={Springer US}, author={Ackermann, Marcel Rudolf and Blömer, Johannes and Kuntze, Daniel and Sohler, Christian}, year={2014} }
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2014 | Conference Paper | LibreCat-ID: 2977
@inproceedings{Blömer_Bujna_Kuntze_2014, title={A Theoretical and Experimental Comparison of the EM and SEM Algorithm}, DOI={10.1109/icpr.2014.253}, booktitle={2014 22nd International Conference on Pattern Recognition}, publisher={IEEE}, author={Blömer, Johannes and Bujna, Kathrin and Kuntze, Daniel}, year={2014} }
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2016 | Preprint | LibreCat-ID: 2969 | 
@article{Blömer_Brauer_Bujna_2016, title={Hard-Clustering with Gaussian Mixture Models}, publisher={Computing Research Repository}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin}, year={2016} }
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2016 | Book Chapter | LibreCat-ID: 2970
@inbook{Blömer_Bujna_2016, place={Cham}, title={Adaptive Seeding for Gaussian Mixture Models}, DOI={10.1007/978-3-319-31750-2_24}, booktitle={Advances in Knowledge Discovery and Data Mining}, publisher={Springer International Publishing}, author={Blömer, Johannes and Bujna, Kathrin}, year={2016}, pages={296–308} }
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2016 | Conference Paper | LibreCat-ID: 2367
@inproceedings{Blömer_Brauer_Bujna_2016, title={A Theoretical Analysis of the Fuzzy K-Means Problem}, DOI={10.1109/icdm.2016.0094}, booktitle={2016 IEEE 16th International Conference on Data Mining (ICDM)}, publisher={IEEE}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin}, year={2016}, pages={805–810} }
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2017 | Dissertation | LibreCat-ID: 2908
@book{Bujna_2017, title={Soft Clustering Algorithms - Theoretical and Practical Improvements}, DOI={10.17619/UNIPB/1-226}, publisher={Universität Paderborn}, author={Bujna, Kathrin}, year={2017} }
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2017 | Book Chapter | LibreCat-ID: 2381
@inbook{Brauer_2017, place={Cham}, title={Complexity of Single-Swap Heuristics for Metric Facility Location and Related Problems}, volume={10236}, DOI={10.1007/978-3-319-57586-5_11}, booktitle={Lecture Notes in Computer Science}, publisher={Springer International Publishing}, author={Brauer, Sascha}, editor={Fotakis, Dimitris and Pagourtzis, Aris and Paschos, Vangelis Th.Editors}, year={2017}, pages={116–127} }
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2018 | Conference Paper | LibreCat-ID: 4344
@inproceedings{Blömer_Brauer_Bujna_2018, title={Coresets for Fuzzy K-Means with Applications}, DOI={10.4230/LIPIcs.ISAAC.2018.46}, booktitle={29th International Symposium on Algorithms and Computation (ISAAC 2018)}, publisher={Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin}, year={2018}, pages={46:1--46:12} }
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2019 | Journal Article | LibreCat-ID: 2916
@article{Brauer_2019, title={Complexity of single-swap heuristics for metric facility location and related problems}, volume={754}, DOI={10.1016/j.tcs.2018.04.048}, journal={Theoretical Computer Science}, publisher={Elsevier}, author={Brauer, Sascha}, year={2019}, pages={88–106} }
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2019 | Dissertation | LibreCat-ID: 13679
@book{Brauer_2019, place={Paderborn}, title={Classification and Approximation of Geometric Location Problems}, DOI={10.17619/UNIPB/1-816}, author={Brauer, Sascha}, year={2019} }
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2020 | Journal Article | LibreCat-ID: 20888
@article{Blömer_Brauer_Bujna_2020, title={A Complexity Theoretical Study of Fuzzy K-Means}, volume={16}, DOI={10.1145/3409385}, number={4}, journal={ACM Transactions on Algorithms}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin}, year={2020}, pages={1–25} }
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2020 | Journal Article | LibreCat-ID: 10790
@article{Blömer_Brauer_Bujna_Kuntze_2020, title={How well do SEM algorithms imitate EM algorithms? A non-asymptotic analysis for mixture models}, volume={14}, DOI={10.1007/s11634-019-00366-7}, journal={Advances in Data Analysis and Classification}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin and Kuntze, Daniel}, year={2020}, pages={147–173} }
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