Discovering association rules in incomplete transactional databases

  • Authors:
  • Grzegorz Protaziuk;Henryk Rybinski

  • Affiliations:
  • Institute of Computer Science, Warsaw University of Technology;Institute of Computer Science, Warsaw University of Technology

  • Venue:
  • Transactions on rough sets VI
  • Year:
  • 2007

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Abstract

The problem of incomplete data in the data mining is well known. In the literature many solutions to deal with missing values in various knowledge discovery tasks were presented and discussed. In the area of association rules the problem was presented mainly in the context of relational data. However, the methods proposed for incomplete relational database can not be easily adapted to incomplete transactional data. In this paper we introduce postulates of a statistically justified approach to discovering rules from incomplete transactional data and present the new approach to this problem, satisfying the postulates.