With hundreds of millions of participants, social media services have become commonplace. Unlike a traditional social network service, a microblogging network like Twitter is a hy...
Social networking sites such as MySpace and Facebook thrive on energetic social interaction, but the factors that assure this are not well understood. There is a lack of theory th...
Catherine Dwyer, Starr Roxanne Hiltz, George Widme...
Various online social networks (OSNs) have been developed rapidly on the Internet. Researchers have analyzed different properties of such OSNs, mainly focusing on the formation an...
Lei Guo, Enhua Tan, Songqing Chen, Xiaodong Zhang,...
Often the selfish and strong are believed to be favored by natural selection, even though cooperative interactions thrive at all levels of organization in living systems. Recent em...
Jorge M. Pacheco, Tom Lenaerts, Francisco C. Santo...
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...