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...
—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 ...
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...
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...
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, ...