Please note that LibreCat no longer supports Internet Explorer versions 8 or 9 (or earlier).
We recommend upgrading to the latest Internet Explorer, Google Chrome, or Firefox.
21 Publications
2009 | Dissertation | LibreCat-ID: 2911
Algorithms for the Bregman k-Median Problem
M.R. Ackermann, Algorithms for the Bregman K-Median Problem, Universität Paderborn, 2009.
LibreCat
| Download (ext.)
M.R. Ackermann, Algorithms for the Bregman K-Median Problem, Universität Paderborn, 2009.
2009 | Book Chapter | LibreCat-ID: 2995
Coresets and Approximate Clustering for Bregman Divergences
M.R. Ackermann, J. Blömer, in: Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms, Society for Industrial and Applied Mathematics, Philadelphia, PA, 2009, pp. 1088–1097.
LibreCat
| DOI
M.R. Ackermann, J. Blömer, in: Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms, Society for Industrial and Applied Mathematics, Philadelphia, PA, 2009, pp. 1088–1097.
2010 | Book Chapter | LibreCat-ID: 2988
Bregman Clustering for Separable Instances
M.R. Ackermann, J. Blömer, in: SWAT 2010, Springer Berlin Heidelberg, Berlin, Heidelberg, 2010, pp. 212–223.
LibreCat
| DOI
M.R. Ackermann, J. Blömer, in: SWAT 2010, Springer Berlin Heidelberg, Berlin, Heidelberg, 2010, pp. 212–223.
2010 | Journal Article | LibreCat-ID: 2990
Clustering for Metric and Nonmetric Distance Measures
M.R. Ackermann, J. Blömer, C. Sohler, ACM Trans. Algorithms (2010) 59:1--59:26.
LibreCat
| DOI
M.R. Ackermann, J. Blömer, C. Sohler, ACM Trans. Algorithms (2010) 59:1--59:26.
2010 | Journal Article | LibreCat-ID: 2991
On the initialization of dynamic models for speech features
A. Krueger, V. Leutnant, R. Haeb-Umbach, M. Ackermann, J. Blömer, Proc. of ITG Fachtagung Sprachkommunikation. ITG, Bochum, Germany (2010).
LibreCat
A. Krueger, V. Leutnant, R. Haeb-Umbach, M. Ackermann, J. Blömer, Proc. of ITG Fachtagung Sprachkommunikation. ITG, Bochum, Germany (2010).
2011 | Conference Paper | LibreCat-ID: 2985
Hardness and Non-Approximability of Bregman Clustering Problems.
M.R. Ackermann, J. Blömer, C. Scholz, (2011).
LibreCat
M.R. Ackermann, J. Blömer, C. Scholz, (2011).
2012 | Conference Paper | LibreCat-ID: 2982
StreamKM++: A clustering algorithm for data streams
M.R. Ackermann, M. Märtens, C. Raupach, K. Swierkot, C. Lammersen, C. Sohler, 17 (2012).
LibreCat
| DOI
M.R. Ackermann, M. Märtens, C. Raupach, K. Swierkot, C. Lammersen, C. Sohler, 17 (2012).
2013 | Dissertation | LibreCat-ID: 2909
Practical algorithms for clustering and modeling large data sets - Analysis and improvements
D. Kuntze, Practical Algorithms for Clustering and Modeling Large Data Sets - Analysis and Improvements, Universität Paderborn, 2013.
LibreCat
| Download (ext.)
D. Kuntze, Practical Algorithms for Clustering and Modeling Large Data Sets - Analysis and Improvements, Universität Paderborn, 2013.
2014 | Mastersthesis | LibreCat-ID: 2900
A Probabilistic Expectation Maximization Algorithm for Multivariate Laplacian Mixtures
S. Brauer, A Probabilistic Expectation Maximization Algorithm for Multivariate Laplacian Mixtures, 2014.
LibreCat
| Files available
S. Brauer, A Probabilistic Expectation Maximization Algorithm for Multivariate Laplacian Mixtures, 2014.
2014 | Journal Article | LibreCat-ID: 2976
Analysis of Agglomerative Clustering
M.R. Ackermann, J. Blömer, D. Kuntze, C. Sohler, Algorithmica 69 (2014).
LibreCat
| DOI
M.R. Ackermann, J. Blömer, D. Kuntze, C. Sohler, Algorithmica 69 (2014).
2014 | Conference Paper | LibreCat-ID: 2977
A Theoretical and Experimental Comparison of the EM and SEM Algorithm
J. Blömer, K. Bujna, D. Kuntze, in: 2014 22nd International Conference on Pattern Recognition, IEEE, 2014.
LibreCat
| DOI
J. Blömer, K. Bujna, D. Kuntze, in: 2014 22nd International Conference on Pattern Recognition, IEEE, 2014.
2016 | Preprint | LibreCat-ID: 2969 | 
Hard-Clustering with Gaussian Mixture Models
J. Blömer, S. Brauer, K. Bujna, (2016).
LibreCat
| Download (ext.)
J. Blömer, S. Brauer, K. Bujna, (2016).
2016 | Book Chapter | LibreCat-ID: 2970
Adaptive Seeding for Gaussian Mixture Models
J. Blömer, K. Bujna, in: Advances in Knowledge Discovery and Data Mining, Springer International Publishing, Cham, 2016, pp. 296–308.
LibreCat
| DOI
J. Blömer, K. Bujna, in: Advances in Knowledge Discovery and Data Mining, Springer International Publishing, Cham, 2016, pp. 296–308.
2016 | Conference Paper | LibreCat-ID: 2367
A Theoretical Analysis of the Fuzzy K-Means Problem
J. Blömer, S. Brauer, K. Bujna, in: 2016 IEEE 16th International Conference on Data Mining (ICDM), IEEE, 2016, pp. 805–810.
LibreCat
| DOI
J. Blömer, S. Brauer, K. Bujna, in: 2016 IEEE 16th International Conference on Data Mining (ICDM), IEEE, 2016, pp. 805–810.
2017 | Dissertation | LibreCat-ID: 2908
Soft Clustering Algorithms - Theoretical and Practical Improvements
K. Bujna, Soft Clustering Algorithms - Theoretical and Practical Improvements, Universität Paderborn, 2017.
LibreCat
| DOI
| Download (ext.)
K. Bujna, Soft Clustering Algorithms - Theoretical and Practical Improvements, Universität Paderborn, 2017.
2017 | Book Chapter | LibreCat-ID: 2381
Complexity of Single-Swap Heuristics for Metric Facility Location and Related Problems
S. Brauer, in: D. Fotakis, A. Pagourtzis, V.T. Paschos (Eds.), Lecture Notes in Computer Science, Springer International Publishing, Cham, 2017, pp. 116–127.
LibreCat
| DOI
S. Brauer, in: D. Fotakis, A. Pagourtzis, V.T. Paschos (Eds.), Lecture Notes in Computer Science, Springer International Publishing, Cham, 2017, pp. 116–127.
2018 | Conference Paper | LibreCat-ID: 4344
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
| DOI
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.
2019 | Journal Article | LibreCat-ID: 2916
Complexity of single-swap heuristics for metric facility location and related problems
S. Brauer, Theoretical Computer Science 754 (2019) 88–106.
LibreCat
| DOI
S. Brauer, Theoretical Computer Science 754 (2019) 88–106.
2019 | Dissertation | LibreCat-ID: 13679
Classification and Approximation of Geometric Location Problems
S. Brauer, Classification and Approximation of Geometric Location Problems, Paderborn, 2019.
LibreCat
| DOI
S. Brauer, Classification and Approximation of Geometric Location Problems, Paderborn, 2019.
2020 | Journal Article | LibreCat-ID: 20888
A Complexity Theoretical Study of Fuzzy K-Means
J. Blömer, S. Brauer, K. Bujna, ACM Transactions on Algorithms 16 (2020) 1–25.
LibreCat
| DOI
J. Blömer, S. Brauer, K. Bujna, ACM Transactions on Algorithms 16 (2020) 1–25.
2020 | Journal Article | LibreCat-ID: 10790
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
| DOI
J. Blömer, S. Brauer, K. Bujna, D. Kuntze, Advances in Data Analysis and Classification 14 (2020) 147–173.