Approximation algorithms for the metric maximum clustering problem with given cluster sizes

  • Authors:
  • Refael Hassin;Shlomi Rubinstein

  • Affiliations:
  • Department of Statistics and Operations Research, School of Mathematical Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel;Department of Statistics and Operations Research, School of Mathematical Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel

  • Venue:
  • Operations Research Letters
  • Year:
  • 2003

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Abstract

The input to the METRIC MAXIMUM CLUSTERING PROBLEM WITH GIVEN CLUSTER SIZES consists of a complete graph G=(V,E) with edge weights satisfying the triangle inequality, and integers c"1,...,c"p that sum to |V|. The goal is to find a partition of V into disjoint clusters of sizes c"1,...,c"p, that maximizes the sum of weights of edges whose two ends belong to the same cluster. We describe approximation algorithms for this problem.