We address the combinatorial optimization problem of finding the most influential nodes on a large-scale social network for two widely-used fundamental stochastic diffusion models...
We are experiencing a new Social Web, where people share, communicate, commiserate, and conflict with each other. As evidenced by systems like Wikipedia, twitter, and delicious.co...
E-commerce strategists advise companies to create virtual communities for their customers. But what is involved in establishing and maintaining virtual communities? This paper add...
We present a family of algorithms to uncover tribes--groups of individuals who share unusual sequences of affiliations. While much work inferring community structure describes lar...
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...