基于Web Services的服务合成技术研究综述

从分布式发展的角度分析了基于Web服务的新一代分布式计算范式特征以及生命周期模型,指出了Web服务合成的概念、特点和目标。对服务合成的方式与分类以及Web服务合成逻辑与结构类型进行了分析,同时将常用的Web服务合成方式划分为4种策略,即:基于系统架构(framework)的静态合成策略;基于工作流(workflow)的动态合成策略;基于语义网络(semantic web)的自动服务匹配与合成策略以及基于软件体系结构生命周期的综合式服务合成策略。在此基础上,对目前Web服务合成技术的主要研究领域与发展趋势以及服务合成过程中存在的主要问题与挑战进行了分析与综述。

Survey of services composition technique research on web services

As a new value-added web services technique for reusing, web service composition has been gathering an increasing amount of attention lately. From the point of the development of distributed computing, this paper analyzes the characteristics and the life-cycle model of next generation of web services-based distributed computing. Furthermore, the conceptions, properties and goals about the composition of web services are reviewed, and the composition methods and classifications and composition logic and structures are analyzed. In addition, four kinds of web service composition strategies can be divided as framework-based static composition, workflow-based dynamic composition, semantic-based automatic composition and software architecture-based syntheses composition. Finally, the mainly research fields and trends of service composition technique and the vital problems and challenges existed in the process of composition are analyzed and reviewed.