Christian Sohler
Christian Sohler
Professor for Algorithmic Data Analysis, University of Cologne
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Cited by
Cited by
Turning Big Data Into Tiny Data: Constant-Size Coresets for -Means, PCA, and Projective Clustering
D Feldman, M Schmidt, C Sohler
SIAM Journal on Computing 49 (3), 601-657, 2020
Streamkm++ a clustering algorithm for data streams
MR Ackermann, M Märtens, C Raupach, K Swierkot, C Lammersen, ...
Journal of Experimental Algorithmics (JEA) 17, 2.1-2.30, 2012
Counting triangles in data streams
LS Buriol, G Frahling, S Leonardi, A Marchetti-Spaccamela, C Sohler
Proceedings of the twenty-fifth ACM SIGMOD-SIGACT-SIGART symposium on …, 2006
A PTAS for k-means clustering based on weak coresets
D Feldman, M Monemizadeh, C Sohler
Proceedings of the twenty-third annual symposium on Computational geometry …, 2007
Randomized pursuit-evasion in graphs
M Adler, H Räcke, N Sivadasan, C Sohler, B Vöcking
Combinatorics, Probability and Computing 12 (3), 225-244, 2003
Clustering for metric and nonmetric distance measures
MR Ackermann, J Blömer, C Sohler
ACM Transactions on Algorithms (TALG) 6 (4), 1-26, 2010
A fast k-means implementation using coresets
G Frahling, C Sohler
International Journal of Computational Geometry & Applications 18 (06), 605-625, 2008
Coresets in dynamic geometric data streams
G Frahling, C Sohler
Proceedings of the thirty-seventh annual ACM symposium on Theory of …, 2005
Sampling in dynamic data streams and applications
G Frahling, P Indyk, C Sohler
International Journal of Computational Geometry & Applications 18 (01n02), 3-28, 2008
Every property of hyperfinite graphs is testable
I Newman, C Sohler
SIAM Journal on Computing 42 (3), 1095-1112, 2013
Testing expansion in bounded-degree graphs
A Czumaj, C Sohler
Combinatorics, Probability and Computing 19 (5-6), 693-709, 2010
Approximating the weight of the euclidean minimum spanning tree in sublinear time
A Czumaj, F Ergün, L Fortnow, A Magen, I Newman, R Rubinfeld, ...
SIAM Journal on Computing 35 (1), 91-109, 2005
Sublinear‐time approximation algorithms for clustering via random sampling
A Czumaj, C Sohler
Random Structures & Algorithms 30 (1‐2), 226-256, 2007
Coresets and sketches for high dimensional subspace approximation problems
D Feldman, M Monemizadeh, C Sohler, DP Woodruff
Proceedings of the twenty-first annual ACM-SIAM symposium on Discrete …, 2010
Encoding a triangulation as a permutation of its point set.
M Denny, C Sohler
CCCG 97, 39-43, 1997
Estimating the weight of metric minimum spanning trees in sublinear time
A Czumaj, C Sohler
SIAM Journal on Computing 39 (3), 904-922, 2009
Fair Coresets and Streaming Algorithms for Fair k-means
M Schmidt, C Schwiegelshohn, C Sohler
International Workshop on Approximation and Online Algorithms, 232-251, 2019
Property testing in computational geometry
A Czumaj, C Sohler, M Ziegler
European Symposium on Algorithms, 155-166, 2000
Testing hereditary properties of nonexpanding bounded-degree graphs
A Czumaj, A Shapira, C Sohler
SIAM Journal on Computing 38 (6), 2499-2510, 2009
Theoretical Analysis of the k-Means Algorithm – A Survey
J Blömer, C Lammersen, M Schmidt, C Sohler
Algorithm Engineering, 81-116, 2016
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