How to quickly find a witness

  • Authors:
  • Daniel Kifer;Johannes Gehrke;Cristian Bucila;Walker White

  • Affiliations:
  • Cornell University;Cornell University;Cornell University;University of Dallas

  • Venue:
  • Proceedings of the twenty-second ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
  • Year:
  • 2003

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Abstract

The subfield of itemset mining is essentially a collection of algorithms. Whenever a new type of constraint is discovered, a specialized algorithm is proposed to handle it. All of these algorithms are highly tuned to take advantage of the unique properties of their associated constraints, and so they are not very compatible with other constraints. In this paper we present a more unified view of mining constrained itemsets such that most existing algorithms can be easily extended to handle constraints for which they were not designed a-priori. We apply this technique to mining itemsets with restrictions on their variance --- a problem that has been open for several years in the data mining community.