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《Journal of Changsha University》 2013-05
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Research on the User Interest Model in the Personalized Search Engine

WANG Su;MA Gexin;LIU Fengnian;TANG Wei;School of Computer Science and Communication,Hunan University of Technology;  
We improve the TF-IDF formula,obtain the terms of users' interests and their weights,and establish user interest model.The dynamic update of user interest model can be realized based on updated time factors.The experimental results show that it can reflect users' interests more precisely and improve the accuracy of the search results.
【CateGory Index】: TP391.3
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