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» Information Propagation Analysis in a Social Network Site
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WWW
2008
ACM
14 years 8 months ago
Social and semantics analysis via non-negative matrix factorization
Social media such as Web forum often have dense interactions between user and content where network models are often appropriate for analysis. Joint non-negative matrix factorizat...
Zhi-Li Wu, Chi-Wa Cheng, Chun-hung Li
INFOCOM
2011
IEEE
12 years 11 months ago
Bayesian-inference based recommendation in online social networks
—In this paper, we propose a Bayesian-inference based recommendation system for online social networks. In our system, users share their content ratings with friends. The rating ...
Xiwang Yang, Yang Guo, Yong Liu
CORR
2010
Springer
153views Education» more  CORR 2010»
13 years 8 months ago
Influence and Passivity in Social Media
The ever-increasing amount of information flowing through Social Media forces the members of these networks to compete for attention and influence by relying on other people to sp...
Daniel M. Romero, Wojciech Galuba, Sitaram Asur, B...
CSCW
2004
ACM
14 years 1 months ago
Six degrees of jonathan grudin: a social network analysis of the evolution and impact of CSCW research
In this paper, we describe the evolution and impact of computersupported cooperative work (CSCW) research through social network analysis of coauthorship data. A network of author...
Daniel B. Horn, Thomas A. Finholt, Jeremy P. Birnh...
KDD
2010
ACM
244views Data Mining» more  KDD 2010»
13 years 6 months ago
Finding effectors in social networks
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...
Theodoros Lappas, Evimaria Terzi, Dimitrios Gunopu...