关键词: 面向语义服务的结构, 抽象状态机, 服务交互接口, 服务聚集接口, 调解

Abstract: Pervious service interface models don’t specify the internal behavior of partners, it is difficult for the system to accurately designate tasks. At the same time, it obstructs the implementation of services composition according to necessary and the reuse of business processing pattern. In order to overcome above problems and construct a bridge which efficiently interconnects service provider and service requester, the paper presents a new interface model of Semantic Services-Oriented Architecture(SSOA). The model uses Abstract State Machine(ASM) to abstractrly describe the behavior of the service with respect to an invocation instance of a service, and differentiates the abstraction and implementation of service interaction. It is beneficial for not only resolving the problems of communication and cooperation of both sides, but reusing interactive model. Undoubtedly, it will provide powerfully technological support for automatic discovery, composition according to necessary and intelligent reasoning of Web services.

Key words: semantic services-oriented architecture, abstract state machine, service interactive interface, service aggregative interface, mediation