作者: Yitzhak Tzahi Weisfeld , Roy Varshavsky , Kira Radinsky , Ron Karidi , Avigad Oron
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摘要: A ranked set of users may be calculated from an expertise categorization for each user and a person's trust in the specific categories. The used presenting search results, recommendations, social marketing, or other uses. reputation determined through various online activities. another person related to their proximity activity one more networks.