Book excerpt: Collaborative Search and Communities of Interest: Trends in Knowledge Sharing and Assessment provides a comprehensive collection of knowledge from experts within the Information and Knowledge Management field. Outlining various concepts from an application and technical stand point and providing insight on the various dimensions (sociological, psychological, technical, etc.) of social Internet collaboration. This book provides solutions to the detection of interest communities, as well as the study of how tools and knowledge sharing impact the environment where they are used.