| Approximating min-sum k-clustering in metric spaces |
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Annual ACM Symposium on Theory of Computing
archive
Proceedings of the thirty-third annual ACM symposium on Theory of computing
table of contents
Hersonissos, Greece
Pages: 11 - 20
Year of Publication: 2001
ISBN:1-58113-349-9
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Authors
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Yair Bartal
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Computer Science Dept., Hebrew University, Israel and Bell Labs, Lucent Technologies
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Moses Charikar
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Google, Inc., Mountain View, CA and Computer Science Dept., Stanford University
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Danny Raz
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Computer Science Dept., Technion, Israel and Bell Labs, Lucent Technologies
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Downloads (6 Weeks): 6, Downloads (12 Months): 53, Citation Count: 18
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ABSTRACT
The min-sum k-clustering problem in a metric space is to find a partition of the space into k clusters as to minimize the total sum of distances between pairs of points assigned to the same cluster. We give the first polynomial time non-trivial approximation algorithm for this problem. The algorithm provides an $\ratio$ approximation to the min-sum k-clustering problem in general metric spaces, with running time $\runtime$. The result is based on embedding of metric spaces into hierarchically separated trees. We also provide a bicriteria approximation result that provides a constant approximation factor solution with only a constant factor increase in the number of clusters. This result is obtained by modifying and drawing ideas from recently developed primal dual approximation algorithms for facility location.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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[doi> 10.1006/jagm.1998.0930]
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CITED BY 18
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W. Fernandez de la Vega , Marek Karpinski , Claire Kenyon , Yuval Rabani, Approximation schemes for clustering problems, Proceedings of the thirty-fifth annual ACM symposium on Theory of computing, June 09-11, 2003, San Diego, CA, USA
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Rong Ge , Martin Ester , Byron J. Gao , Zengjian Hu , Binay Bhattacharya , Boaz Ben-Moshe, Joint cluster analysis of attribute data and relationship data: The connected k-center problem, algorithms and applications, ACM Transactions on Knowledge Discovery from Data (TKDD), v.2 n.2, p.1-35, July 2008
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