On clusterings good, bad and spectral.

We motivate and develop a natural bicriteria measure for assessing the quality of a clustering that avoids the drawbacks of existing measures. A simple recursive heuristic is shown to have polylogarithmic worst-case guarantees under the new measure. The main result of the article is the analysis of...

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Pubblicato in:	Journal of the ACM 51, 3 (2004).
Autore principale:	Kannan, Ravi
Natura:	Articolo
Lingua:	English
Soggetti:	Theory of computation. Analysis of algorithms and problem complexity. Information systems. Information storage and retrieval. Algorithms. Theory.