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Data Analysis and Knowledge Discovery  2017, Vol. 1 Issue (2): 35-40    DOI: 10.11925/infotech.2096-3467.2017.02.05
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Constructing Dynamic Social Tag Cloud for User Interests
Mengyao Xie,Xuwei Pan()
School of Economics and Management, Zhejiang Sci-Tech University, Hangzhou 310018, China
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[Objective] Social tags can be used for the recommendation and navigation sections of information retrieval systems. This paper proposes a method to construct a dynamic user tag cloud based on the temporal evolution to reveal the changes of user interests. [Methods] We established the tags’ dynamic weights with the forgetting and strengthening characteristics of memory in psychology. Thus, the dynamic user tag cloud reflect user’s changing focus. [Results] Compared with the existing ones, the proposed algorithm could effectively sort the tags, and then make accurate predictions or recommendations. [Limitations] The proposed method performed well over long period of time because user’s interests do not change significantly in a short period of time. [Conclusions] The proposed algorithm could effectively identify user’s interests and then improve the personalized services.

Key wordsSocial Tagging      Tag      User Interests      Dynamic Tag Cloud     
Received: 12 October 2016      Published: 27 March 2017
About author:: Wu Zhenxin,Li Chunwang,Guo Jiayi

Cite this article:

Mengyao Xie,Xuwei Pan. Constructing Dynamic Social Tag Cloud for User Interests. Data Analysis and Knowledge Discovery, 2017, 1(2): 35-40.

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