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基于带权图规划算法的语义Web服务组合 被引量:6

Semantic Web Services Composition Based on Weighted Planning Graph Algorithm
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摘要 随着Internet技术的发展,一个单独Web服务的功能并不完备,为了实现复杂、强大的Web服务的功能,就需要把多个Web服务组合起来实现复杂的功能。文中提出了一种基于带权图规划的语义Web组合算法,该方法引入人工智能中规划图的思想,利用图规划的前向扩张思想,能快速在分布的、异构的Web服务中自动地找到满足条件的服务组合;同时,通过领域本体以及OWL-S的服务描述,来计算Web服务匹配的相似度,利用图规划解抽取阶段思想,抽取权值最小的服务序列,提高了服务组合的正确率和查全率。 With the development of Internet, a single web service can no longer meet the needs of the development. In order to achieve a more complex, powerful web service, need to combine various web services to reach the target. A method of web service composition which based on weighted planning graph was proposed. The method used AI planning graph can find the service composition quickly and automatically between distributed and heterogeneous web services. In this method, web service is described by OWL-S and domain ontology, and its matching degree was computed as the weight of planning graph, which improve the recall rate and the preeiseness of the service composition.
作者 戴雪梅 姜浩
出处 《计算机技术与发展》 2010年第3期67-70,75,共5页 Computer Technology and Development
关键词 WEB服务 服务组合 本体 图规划 web service services composition ontology planning graph
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参考文献8

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二级参考文献27

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二级引证文献15

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