3LIU X, BOUGUETTAYA A. Managing top-down changes in service-oriented enterprises[C]//Proceedings of IEEE In- ternational Conference on Web Services. Piscataway, N. J. , USA: IEEE Press, 2007 : 1072-1079.
4FRANK D, LAM L,FONG L, et al. An approach to hosting versioned Web services[C]//Proceedings of IEEE Interna- tional Conference on Services Computing, Piscataway,N. J. , USA: IEEE Press, 2007 : 76-82.
5MARTIN D, BURSTEIN M, HOBBS J, et al. OWL-S: Se- mantic markup for Web services [ EB/OL]. ( 2010-02-16 ) [2011-05-26]. http://www, ai. sri. com/daml/serviees/owl- s/1.2/overview.
6KLEIN M Change management for distributed ontologies[D]. Amsterdam, the Netherlands: Vrije University,2004.
7W3C. OWL 2 Web ontology language document overview[ EB/ OL]. (2009-10-27)[2011-05-26]. http://www, w3. org/TR/ owl2-overview/.
8STOJANOVIC L. Methods and tools for ontology evolution [D]. Karlsruhe, Germany: Karlsruhe University, 2004.
