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An Incremental Update Algorithm for Sequential Patterns Mining

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 154)

Abstract

Many real life sequences databases change over time. Some new transaction is appended and some data may be deleted. It is undesirable to mine the sequential patterns from scratch each time when a small set of sequences change. Incremental updating algorithm should be developed to deal with such situation. This paper studies the problem of incremental maintenance of frequent sequences when the underlying database is modified over time. We propose an incremental algorithm called IMSP to efficiently compute the updated set of frequent sequences, using the information collected during an earlier mining process to cut down the cost. Our performance study shows that the IMSP Algorithm outperforms some previously proposed incremental algorithms.

Keywords

Sequential Pattern Support Threshold Original Database Frequent Sequence Sequential Pattern Mining 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London Limited 2012

Authors and Affiliations

  1. 1.Information Technology DepartmentZhejiang Financial CollegeHangzhouPeople’s Republic of China

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