TY - CONF TI - Visual Modeling of Competence Development in Cooperative Learning Settings AF - Visioning and Engineering the Knowledge Society. A Web Science Perspective. Lecture Notes in Computer Science. PP - Berlin / Heidelberg PB - Springer Verlag SP - 176 EP - 185 PY - 2009-01-01 AU - Figl, Kathrin AU - Derntl, Michael AU - Kabicher, Sonja ER -