一种基于BPEL4WS的语义Web服务组合框架  

A FRAMEWORK OF SEMANTIC WEB SERVICE COMPOSITION BASED ON BPEL4WS

作　　者：陈建波[1] 葛孝堃[2] 吴国文[1] 

机构地区：[1]东华大学计算机科学与技术学院,上海201620 [2]上海计算机软件技术开发中心,上海200235

出　　处：《计算机应用与软件》2010年第9期138-142,共5页Computer Applications and Software

摘　　要：针对Web服务的组合问题,给出了一种基于BPEL4WS(Business Process Execution Language for Web Services)语言的语义Web服务动态组合框架。该框架把一些具有相似性的商业流程定义成一个抽象流程模板APT,每个活动节点所需服务的语义信息用PPC模型描述,并引入一个OWL-S/UDDI转换器使Web服务在UDDI上的注册信息与该服务的语义信息之间进行转换,实现UDDI注册信息与语义信息的关联,以便于语义匹配及服务绑定。通过语义匹配组件匹配选择合适的Web服务,并通过APT绑定组件把所选Web服务的相关信息动态绑定到APT模板中,从而实现Web服务的动态组合。该框架增强了Web服务组合的灵活性和动态性。For the issue of Web services composition, in this paper we provide a framework of semantic web service composition based on BPEIAWS,in which some similar business processes are defined as an abstract process template APT, the semantic information of required services for each active node is described with PPC model. In order to facilitate semantic matching and service binding operation, we introduce an OWL-S/UDDI translator to execute conversion operations between Web services UDDI registered information and semantic information of this service, thus their association is implemented. By using the semantic matching component to match and select a suitable Web services, and through APT binding component to dynamically bind the relevant information of a selected Web services to APT template, the dynamic compo- sition of Web services is therefore achieved. This framework enhances the flexibility and dynamic performance of Web service composition op- erations.

关 键 词：WEB服务 WEB服务工作流 语义匹配 OWL-S/UDDI转换器 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]