Joint Annotation and Knowledge Building in Collaborative E-Learning

Tools to enable joint annotation help in collaborative knowledge building in elearning. EDUCOSM is a system that offers two types of annotation, namely highlights and comments, on any Web-page that are visible to other learners immediately. The tool is built to enable straightforward interaction between the students and the material. Empirical data suggests that the concept of joint annotation can help in processing large amount of material by a large number of students.