一种基于分块推理的语义Web服务合成方法

A New Method of Web Service Composition Based on Patitionbased Reasoning

摘要:

将分块推理方法扩展到命题逻辑和描述逻辑的混合逻辑上，得出一种新的web服务合成方法.该方法可以方便地在UDDI（universal description， discovery and integration）之间的web服务之上进行合成，并有效结合了语义推理机，提高了算法的效率.为了把证明转化为可执行的过程，给出一种基于π演算的提取过程模型的方法，并为方便地利用语义推理机的语义关系，定义了一种伪过程以便统一地处理这种情况.

关键词:web服务合成; 语义推理; 分块推理; 消息传递算法

Abstract:

Patitionbased reasoning(PBR) is a method of reasoning with partitions of related logical axioms. A new method of web service composition based on MP algorithm is proposed for improving the composition of web services that is located in different UDDIs,and the performance of the semantic reasoner in the process of web service composition.Thus the new method proves more efficient than the one based on traditional theorem proving.A method of extracting the process model from proof based on the idea of πcalculus is also introduced.To make use of the subtype relation provided by semantic reasoner,a new process to handle this process is defined systematically.

Key words:web service compostion; semantic reasoning; partitionbased reasoning; message passing algorithm