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SDM
2010
SIAM
217views Data Mining» more  SDM 2010»
13 years 5 months ago
Collaborative Filtering: Weighted Nonnegative Matrix Factorization Incorporating User and Item Graphs
Collaborative filtering is an important topic in data mining and has been widely used in recommendation system. In this paper, we proposed a unified model for collaborative fil...
Quanquan Gu, Jie Zhou, Chris H. Q. Ding
EUROISI
2008
13 years 9 months ago
An Information Theory Approach to Identify Sets of Key Players
This paper presents an application of information theory to identify sets of key players in social networks. First, we define two entropy measures that we use to analyze the struct...
Daniel Ortiz Arroyo, Dil Muhammad Akbar Hussain
WWW
2008
ACM
14 years 8 months ago
Towards robust trust establishment in web-based social networks with socialtrust
We propose the SocialTrust framework for tamper-resilient trust establishment in online social networks. Two of the salient features of SocialTrust are its dynamic revision of tru...
James Caverlee, Ling Liu, Steve Webb
PVLDB
2011
13 years 2 months ago
Personalized Social Recommendations - Accurate or Private?
With the recent surge of social networks such as Facebook, new forms of recommendations have become possible – recommendations that rely on one’s social connections in order t...
Ashwin Machanavajjhala, Aleksandra Korolova, Atish...