Abstract
Social network analysis has been used to enhance the performance or to solve problems of a wide range of applications such as semantic Web, social recommender systems, group formation etc. In this chapter we are going to address the main fields that SNA has contributed in their development. We will present the main contribution and summary of work for researchers in each field.
Keywords: Semantic Web, social recommender systems, group formation, software development, health, cybercrime, business, collaborative learning, animal social networks, communications. Filtering, epidemiology, distancelearning, weblog, SPARQL, FAOF.