... Building and Supporting Shared Under-standing in Collaborative Problem-solving. In: Ninth International Conference on Informa-tion Visualisation (IV 2005), pp. 737–742 (2005) 11. Liu, Z., Jin, ... Calvo, R.: Sharing Synchronous Collaborative Learning Structures using IMS Learning Design. In: 7th International Conference on Information Technology Based Higher Education and Training (ITHET ... Fang, Z.: Collaborative Learning in E-Learning based on Multi-Agent Sys-tems. In: 10th International Conference on Computer Supported Cooperative Work in De-sign, Nanjing, pp. 1–5 (2006) 12. Asensio,...