3[1]Guarino N.Formal Ontology and Information Systems.In Guarino N(ed.):Formal Ontology in Information Systems.Proc.of FOIS'98, Trento,Italy,1998-06-08
4[2]Gruber T R.Toward Principles for the Design of Ontologies Used for Knowledge Sharing.Int.Journal of Human and Computer Studies,1995:907-928
5[3]Leary D O.Enterprise Knowledge Management.IEEE Computer,1998,13(3):54-61
6[4]Liao M,Hinkelmann K,Abecker A,et al.A Competence Knowledge Base System as Part of the Organizational Memory.in F.Puppe (ed.) XPS99,5th Biannual German Conf.on Knowledge Based System,Springer-verlag,LNAI 1570,Wuerzburg,Germany,1999:125-137
7[5]Abecker A,Bernardi A,Hinkelmann K,et al.Techniques for Organizational Memory Information Systems.DFKI Document D-98-02,1998-02
8[6]Liao M,Abecker A,Bernrdi A,et al.Ontologies for Knowledge Retrieval in Organization Memories.In Workshop on Learning Software Organization in SEKE'99,Kaiserslautern,Germany,1999
9Greg Kearsley. Artificial Intelligence and Instruction[ M]. Addison Wesley Publishing Company Inc, 1987.
10J R Anderson, C F Boyle, A T Corbett, et al. Cognitive Modeling and Intelligenct Tutoring[ J]. AI, 1990,42:7 - 49.