2Mafia Auxilio Medina Nieto. An overview of ontologies [ EB/ OL]. (2003 -03 -01 ) [2008 -02 - 18]. http:// www. starlab. rub. ae. be/teaching/ontologies_overview. pdf.
3Jensen K , Rozenberg G. High -level Petri Nets: Theory and Application [ M ]. Springer - Verlag, 1991.
4Baader F, Calvanese D , McGuinness D, et al. The Description Logic Handbook: Theory, Implementation and Applications [ M ]. Cambridge University Press,2002.
3[15]Guarino N.Semantic Matching:Formal Ontological Distinctions for Information Organization,Extraction,and Integration.In:Pazienza M T,eds.Information Extraction:A Multidisciplinary Approach to an Emerging Information Technology,Springer Verlag,1997,139~170
4[16]Perez A G,Benjamins V R.Overview of Knowledge Sharing and Reuse Components:Ontologies and Problem-Solving Methods.Workshop on Ontologies and Problem-Solving Methods:Lessons Learned and Future Trends (IJCAI99),de Agosto,Estocolmo,1999
5[17]Gruber T R.Towards Principles for the Design of Ontologies Used for Knowledge Sharing.International Journal of Human-Computer Studies,1995,43:907~928
6[18]Guarino N,Welty C.A Formal Ontology of Properties.In:Dieg R,Corby O,eds.the Proceedings of the 12th International Conference on Knowledge Engineering and Knowledge Management (EKAW'2000),Springer Verlag,2000,97~112
7[19]Guarino N,Masolo C,Vetere G.OntoSeek:Content-Based Access to the Web.IEEE Intelligent Systems,1999,14(3):70~80
8[20]Shun S B,Motta E,Domingue J.ScholOnto:an Ontology-based Digital Library Server for Research Documents and Discourse.Intl J Digital Libraries,2000,3(3):237~248
9[21]Arpirez J,Perez A G,Lozano A,et al.(Onto)2 agent:An Ontology-based WWW Broker to Select Ontologies.In:Gomez-Perez A,Benjamins V R,eds.Proceedings of the Workshop on Application of Ontologies and Problem-Solving Methods UK,1998,16~24