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IEICE TRANSACTIONS on Information

InfluenceRank: Trust-Based Influencers Identification Using Social Network Analysis in Q&A Sites

GunWoo PARK, SungHoon SEO, SooJin LEE, SangHoon LEE

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Summary :

Question and Answering (Q&A) sites are recently gaining popularity on the Web. People using such sites are like a community-anyone can ask, anyone can answer, and everyone can share, since all of the questions and answers are public and searchable immediately. This mechanism can reduce the time and effort to find the most relevant answer. Unfortunately, the users suffer from answer quality problem due to several reasons including limited knowledge about the question domain, bad intentions (e.g. spam, making fun of others), limited time to prepare good answers, etc. In order to identify the credible users to help people find relevant answer, in this paper, we propose a ranking algorithm, InfluenceRank, which is basis of analyzing relationship in terms of users' activities and their mutual trusts. Our experimental studies show that the proposed algorithm significantly outperforms the baseline algorithms.

Publication
IEICE TRANSACTIONS on Information Vol.E95-D No.9 pp.2343-2346
Publication Date
2012/09/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E95.D.2343
Type of Manuscript
LETTER
Category
Artificial Intelligence, Data Mining

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