Tetsuro Takahashi, Richard C. Larson. An Efficient Educational Material Exploration using Extracted Concepts. In Markus Helfert, Maria João Martins, José Cordeiro, editors, CSEDU 2012 - Proceedings of the 4th International Conference on Computer Supported Education, Volume 1, Porto, Portugal, 16-18 April, 2012. pages 282-287, SciTePress, 2012.
Abstract is missing.