4Brusilovsky P. A Distributed Architecture for Adaptive and Intelligent Learning Management Systems[J]. Intelligent Management Systems Workshop,Supplementary Proceedings of Artifical Intelligence in Education, 2003, 106-114.
5Cheng S W.Rainbow:Architecture-based Self-adaptation with Reusable Infrastructure[J].Computer,2004,37 (10):46-54.
6DavidA Wiley. Connecting learning objects to instructional design theory [EB/OL]. http://www.reusability.org/read/chapters/ wiley.doc.
7What Are Learning Objects? [EB/OL]. http://www.uwm.edu/Dept/CIE/AOP/LO-what.html.