Increasingly, methods to identify community structure in networks have been proposed which allow groups to overlap. These methods have taken a variety of forms, resulting in a lack...
Mark K. Goldberg, Stephen Kelley, Malik Magdon-Ism...
As online communities, such as social network sites, mature, they face challenges in sustaining user engagement. To address this, we designed and deployed a rating system to encou...
Rosta Farzan, Joan Morris DiMicco, Beth Brownholtz
Emergence of the web and online computing applications gave rise to rich large scale social activity data. One of the principal challenges then is to build models and understandin...
Both online and off, people frequently perform particular social roles. These roles organize behavior and give structure to positions in local networks. As more of social life bec...
Eric Gleave, Howard T. Welser, Thomas M. Lento, Ma...
A new genetic algorithm to detect communities in social networks is presented. The algorithm uses a fitness function able to identify groups of nodes in the network having dense ...