Clustering with Interactive Feedback

  • Authors:
  • Maria-Florina Balcan;Avrim Blum

  • Affiliations:
  • Carnegie Mellon University, Pittsburgh, PA 15213-3891;Carnegie Mellon University, Pittsburgh, PA 15213-3891

  • Venue:
  • ALT '08 Proceedings of the 19th international conference on Algorithmic Learning Theory
  • Year:
  • 2008

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Abstract

In this paper, we initiate a theoretical study of the problem of clustering data under interactive feedback. We introduce a query-based model in which users can provide feedback to a clustering algorithm in a natural way via splitand mergerequests. We then analyze the "clusterability" of different concept classes in this framework -- the ability to cluster correctly with a bounded number of requests under only the assumption that each cluster can be described by a concept in the class -- and provide efficient algorithms as well as information-theoretic upper and lower bounds.