“…They sifted through conversations across different Usenet groups to study behaviors associated with each role. Gliwa et al examined collections of online bloggers and defined the roles selfish influential user, social influential user, selfish influential blogger, social influential blogger, influential commentator, standard commentator, not active, and standard blogger [40]. Welser et al defined four roles for Wikipedia users, namely substantive experts, technical editors, counter vandalism, and social networkers [92].…”