Source credibility model for neighbor selection in collaborative web content recommendation

Authors:
JinHyung Cho;Kwiseok Kwon
Affiliations:
School of Computer and Information Engineering, Dongyang Technical College, Seoul, Korea;Interdisciplinary Graduate Program of Technology and Management, Seoul National University, Seoul, Korea
Venue:
APWeb'08 Proceedings of the 10th Asia-Pacific web conference on Progress in WWW research and development
Year:
2008

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Abstract

Since collaborative filtering (CF) based recommendation methods rely on neighbors as information sources, their performance depends on the quality of neighbor selection process. However, conventional CF has a few fundamental limitations that make them unsuitable for Web content services: recommender reliability problem and no consideration of customers' heterogeneous susceptibility on information sources. To overcome these problems, we propose a new CF method based on the source credibility model in consumer psychology. The proposed method extracts each target customer's part-worth on source credibility attributes using conjoint analysis. The results of the experiment using the real Web usage data verified that the proposed method outperforms the conventional methods in the personalized web content recommendation.