2010Computer engineering & SoftwareRequires access

Improved Transaction List Group Based Frequent Itemsets Mining Algorithm Based Frequent Itemsets Mining Algorithm On Data Streams

Xueli Zhang

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Abstract

According to the characteristics of mass and time-varying for data,a improved transaction list group based frequent itemsets mining algorithm T-Stream upon data streams is proposed.The algorithm could self-adaptively adjust the size of time windows.In the algorithm,transaction list group is adopted as synopsis data structure.The experiments indicate that the T-Stream algorithm is more effective than the Manku algorithm in term of temporal and spatial performance.

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What this paper is about

According to the characteristics of mass and time-varying for data,a improved transaction list group based frequent itemsets mining algorithm T-Stream upon data streams is proposed.The algorithm could self-adaptively adjust the size of time windows.In the algorithm,transaction list group is adopted as synopsis data structure.The experiments indicate that the T-Stream algorithm is more effective than the Manku algorithm in term of temporal and spatial performance.

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Available abstract

According to the characteristics of mass and time-varying for data,a improved transaction list group based frequent itemsets mining algorithm T-Stream upon data streams is proposed.The algorithm could self-adaptively adjust the size of time windows.In the algorithm,transaction list group is adopted as synopsis data structure.The experiments indicate that the T-Stream algorithm is more effective than the Manku algorithm in term of temporal and spatial performance.

Key concepts: Computer science, Database transaction, Data mining, Data stream mining, Algorithm, GSP Algorithm, Data stream, Transaction data

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