Mining Frequent Patterns Via Pattern Decomposition

Mining Frequent Patterns Via Pattern Decomposition

Qinghua Zou (University of California - Los Angeles, USA) and Wesley Chu (University of California - Los Angeles, USA)
Copyright: © 2005 |Pages: 5
DOI: 10.4018/978-1-59140-557-3.ch150
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Abstract

Pattern decomposition is a data-mining technology that uses known frequent or infrequent patterns to decompose a long itemset into many short ones. It finds frequent patterns in a dataset in a bottom-up fashion and reduces the size of the dataset in each step. The algorithm avoids the process of candidate set generation and decreases the time for counting supports due to the reduced dataset.

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