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Transforming Heterogeneous Messages Automatically in Web Service Composition

机译:Web服务组合中的自动转换异构消息

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摘要

When composing web services, establishing data flow is one of the most important steps. However, still lack of solution is proposed for the fundamental problem in this step about how to link two services with heterogeneous message types. It results in that many an available service candidate has to be abandoned in current web service composition systems because the types of their inputs are not compatible with that of request messages. This paper presents a new solution for linking heterogeneous messages automatically when composing web services. It converts request messages to the format of current service's input. As the transforming operation is deployed as the third-party web service, this solution can be integrated into current composition systems seamlessly. Available information in message schema is fully utilized for automated message schema matching and XSLT scripts used to convert data are auto-generated according to the message schema matching rules. This solution has been applied in SEWSIP, a prototype of semantic-based web service composition system, and evaluation of related experiments on it shows well results.
机译:组成Web服务时,建立数据流是最重要的步骤之一。但是,对于这一步骤中关于如何链接具有异构消息类型的两个服务的基本问题,仍然提出了解决方案。结果导致在当前的Web服务组合系统中必须放弃许多可用的服务候选,因为它们的输入类型与请求消息的类型不兼容。本文提出了一种在组合Web服务时自动链接异构消息的新解决方案。它将请求消息转换为当前服务输入的格式。由于将转换操作部署为第三方Web服务,因此该解决方案可以无缝集成到当前的组合系统中。消息架构中的可用信息已完全用于自动化消息架构匹配,并且根据消息架构匹配规则自动生成了用于转换数据的XSLT脚本。该解决方案已应用于基于语义的Web服务组合系统的原型SEWSIP中,对其进行的相关实验评估显示出良好的效果。

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