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Filtering Spam in Social Tagging System with Dynamic Behavior Analysis

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5 Author(s)
Bo Liu ; Sch. of Software & Microelectron., Peking Univ., Beijing, China ; Ennan Zhai ; Huiping Sun ; Yelu Chen
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Spam in social tagging systems introduced by some malicious participants has become a serious problem for its global popularizing. Some studies which can be deduced to static user data analysis have been presented to combat tag spam, but either they do not give an exact evaluation or the algorithms' performances are not good enough. In this paper, we proposed a novel method based on analysis of dynamic user behavior data for the notion that users' behaviors in social tagging system can reflect the quality of tags more accurately. Through modeling the different categories of participants' behaviors, we extract tag-associated actions which can be used to estimate whether tag is spam, and then present our algorithm that can filter the tag spam in the results of social search. The experiment results show that our method indeed outperforms the existing methods based on static data and effectively defends against the tag spam in various spam attacks.

Published in:

Social Network Analysis and Mining, 2009. ASONAM '09. International Conference on Advances in

Date of Conference:

20-22 July 2009