Mining interesting association rules from customer databases and transaction databases

  • Authors:
  • Pauray S. M. Tsai;Chien-Ming Chen

  • Affiliations:
  • Department of Information Management, Ming Hsin University of Science & Technology, Hsin-Feng, Hsinchu 304, Taiwan;Faraday Technology Corp, Science-Based Industrial Park, Hsin-Chu, Taiwan

  • Venue:
  • Information Systems
  • Year:
  • 2004

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Abstract

In this paper, we examine a new data mining issue of mining association rules from customer databases and transaction databases. The problem is decomposed into two subproblems: identifying all the large itemsets from the transaction database and mining association rules from the customer database and the large itemsets identified. For the first subproblem, we propose an efficient algorithm to discover all the large itemsets from the transaction database. Experimental results show that by our approach, the total execution time can be reduced significantly. For the second subproblem, a relationship graph is constructed according to the identified large itemsets from the transaction database and the priorities of condition attributes from the customer database. Based on the relationship graph, we present an efficient graph-based algorithm to discover interesting association rules embedded in the transaction database and the customer database.