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Social Recommendations: Mentor and Leader Detection to Alleviate the Cold-Start Problem in Collaborative Filtering

Social Recommendations: Mentor and Leader Detection to Alleviate the Cold-Start Problem in Collaborative Filtering
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Author(s): Armelle Brun (Nancy Université, France), Sylvain Castagnos (Nancy Université, France) and Anne Boyer (Nancy Université, France)
Copyright: 2012
Pages: 21
Source title: Social Network Mining, Analysis, and Research Trends: Techniques and Applications
Source Author(s)/Editor(s): I-Hsien Ting (National University of Kaohsiung, Taiwan), Tzung-Pei Hong (National University of Kaohsiung, Taiwan) and Leon Shyue-Liang Wang (National University of Kaohsiung, Taiwan)
DOI: 10.4018/978-1-61350-513-7.ch016

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Abstract

The experiments conducted show that only 6 delegates are sufficient to accurately estimate ratings of the whole set of other users, which dramatically reduces the number of users classically required.

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