A Weighted Closed Sequential Patterns Mining Algorithm Based on Regular Expression Constraints

Dong, Wuzhou; Li, Mingyue; Huang, Guoyan; Ren, Jiadong; Chen, Lijuan

doi:10.4156/aiss.vol4.issue1.52

AISS

2012

DOI: 10.4156/aiss.vol4.issue1.52

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A Weighted Closed Sequential Patterns Mining Algorithm Based on Regular Expression Constraints

Wuzhou Dong¹,

Mingyue Li²,

Guoyan Huang³

et al.

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On Constructing Regular Expressions of Web Page Traversals for Efficient Filtering

Kumaravel

Pradeepa

2012

2012 International Conference on Radar, Communication and Computing (ICRCC)

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1In order to reflect the importance of webpages in the web mining result, an algorithm based on regular expression constraints, is presented for mining weighted closed sequential patterns. At first, scans the sequence database once, finds all the weighted frequent items and make a sparse matrix to identify significant item set and satisfying minimum support and the minimum weighted support count. Secondly, the index sets based on memory for frequent weighted items are constructed, the stems of frequent weighted items are found in the index sets, then the frequent weighted items are extended by stems. It filters the sequential patterns that cannot satisfy the user-specified regular expression constraints, so the search space is reduced. The support of discovered sequential patterns is saved in the hash table as the key to do the closure checking. The algorithm allows users to change constraints to implement interactive mining, and also facilitates the users to focus the mining on their interesting patterns and reflect the importance of item. The experimental results show that this method is more efficient in mining weighted closed sequential pattern and satisfying the requirement of users.

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On Constructing Regular Expressions of Web Page Traversals for Efficient Filtering

Kumaravel

Pradeepa

2012

2012 International Conference on Radar, Communication and Computing (ICRCC)

View full text Add to dashboard Cite

show abstract

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A Weighted Closed Sequential Patterns Mining Algorithm Based on Regular Expression Constraints

Cited by 1 publication

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On Constructing Regular Expressions of Web Page Traversals for Efficient Filtering

On Constructing Regular Expressions of Web Page Traversals for Efficient Filtering

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