The purpose of this chapter is to investigate Multimedia Social Networks and e-Learning, and the relevant research in these areas. Multimedia Social Networks in e-Learning is an important and evolving study area, since an understanding of the technologies involved as well as an understanding of how the students communicate in online social networks are necessary in order to accurately analyze them. The chapter begins by introducing Multimedia Social Networks and Online Communities. Following this, the key players of e-Learning in Multimedia Social Networks are presented, including a discussion of the different roles that the students take. Furthermore, Social Interaction research is presented concentrating on such important areas as factors that influence social interaction, peer support, student-centered learning, collaboration, and the effect of interaction on learning. The last section of the chapter deals with the various methods and frameworks for analyzing multimedia social networks in e-Learning communities.
Soft Cosine Gradient and Gaussian Mixture Joint Probability Recommender System for Online Social Networks