Kun Hua Tsai Tung Cheng Hsieh Ti Kai Chiu Ming-Che Lee Tzone I. Wang Automated Course Composition and Recommendation based on a Learner Intention. 274-278 2007 conf/icalt/2007 ICALT http://doi.ieeecomputersociety.org/10.1109/ICALT.2007.80 db/conf/icalt/icalt2007.html#TsaiHCLW07