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Mathematical Problems in Engineering
Volume 2014, Article ID 162521, 8 pages
Research Article

A Robust Collaborative Filtering Approach Based on User Relationships for Recommendation Systems

1School of Software Engineering, Chongqing University, Chongqing 400044, China
2Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education, Chongqing 400044, China
3School of Engineering, University of Portsmouth, Portsmouth PO1 3AH, UK

Received 12 August 2013; Revised 10 December 2013; Accepted 30 December 2013; Published 19 February 2014

Academic Editor: Xing-Gang Yan

Copyright © 2014 Min Gao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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