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Enabling personalization recommendation with WeightedFP for text information retrieval based on user-focus

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4 Author(s)
Zhenya Zhang ; Dept. of Comput. Sci., Univ. of Sci. & Technol. of China, Hefei, China ; Enhong Chen ; Jin Wang ; Xufa Wang

Personalization recommendation is a valid method for lightening the user's burden on information retrieval. In order to implement personalization recommendation for text information retrieval (TR), user-focus is defined and algorithms for the construction of user-focus are given in this paper. The construction of user-focus for a user depends on his entire query requests at a period of time. Each query request of the user is treated as a transaction between TR system and him. Items in a transaction are non-noise words in the query request corresponding with the transaction. Each item is weighted with a value to measure the importance of the item for the user. Weighted frequent itemset is used for the user-focus's construction. In order to mine weighted frequented itemset fast, an algorithm named as WeightedFP is presented. The experimental result shows that the implementation of personalization recommendation based on user-focus can lighten the user's burden caused by the work of filtering valid information from vast information in some degree while time requirement of TR is satisfied well.

Published in:

Information Technology: Coding and Computing, 2004. Proceedings. ITCC 2004. International Conference on  (Volume:1 )

Date of Conference:

5-7 April 2004