Modern on-line collaborative learning (CSCL) environments no longer depend on homogeneous groups, static content and resources, and single pedagogies but high customization and flexibility are a must. These and other demanding CSCL technological and pedagogical needs represent a great challenge for the research community to satisfy. To this end, this book proposes an innovative multi-fold approach in the form of a computational model for knowledge-centered distributed learning. The main contributions are (i) a complete framework for an exhaustive and efficient management and analysis of the...