关键词: OWL-S过程模型, 自动化验证, CSP, 形式化语义, 建模

Abstract: In order to implement automatic verification of OWL-S process model, this paper present a semantical model for OWL-S process model based on Communicating Sequential Process （CSP）. The formal semantical model of CSP was established and could be used to define the formal semantics of OWL-S processes. Finally, to show a complete process of how to define the formal semantics of OWL-S using CSP model, a flight-booking example was given. Due to the well defined mathmatical foundation, it is easy to develop a kind of tool verifying OWL-S processes automatically which increases the safety of the systems.

Key words: OWL-S(Ontology Web Language for Services) process model, automatic verification, Communicating Sequential Process(CSP), formal semantics, modeling