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What Is Frequent Pattern Analysis?

  • Frequent pattern: a pattern (a set of items, subsequences, substructures, etc.) that occurs frequently in a data set
  • First proposed by Agrawal, Imielinski, and Swami [AIS93] in the context of frequent itemsets and association rule mining
  • Motivation: Finding inherent regularities in data
    • What products were often purchased together?— Beer and diapers?!
    • What are the subsequent purchases after buying a PC?
    • What kinds of DNA are sensitive to this new drug?
    • Can we automatically classify web documents?
  • Applications
    • Basket data analysis, cross-marketing, catalog design, sale campaign analysis, Web log (click stream) analysis, and DNA sequence analysis.

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