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基于Chord的带有QoS的语义Web服务发现方法研究 被引量：5

Research on Chord-Based Semantic Service Discovery with QoS
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摘要 服务的描述语言,元数据的存储方式以及服务的匹配算法是影响服务发现效率和质量的3个主要问题。该文从这3个问题出发,提出了基于Chord的带有QoS的语义Web服务发现系统。将服务质量(QoS)信息加入到OWL-S中来描述服务,并称之为OWL-QoS;采用基于Chord的分布式方式存储元数据;通过基于OWL-QoS的服务匹配算法来查询服务。实验表明,这种方法有效地提高了服务发现的查询效率与查准率。 Service description language, metadata storage and service matching algorithm are three critical factors influencing the efficiency and quality of service discovery. This paper presents a prototype system of Chord-based semantic service discovery with QoS（Quality of Service）. The information of QoS is put into OWL-S （Web ontology language for services） to describe services, and Chord-based distributed storage is adopted, and OWL-QoS based matching algorithm is used to discovery services. Experiment results show that the approach presented in this paper can improve the efficiency and accuracy of service discovery commendably.
作者 张莹 黄厚宽 杨冬 张宏科
机构地区 北京交通大学计算机与信息技术学院 北京交通大学电子信息工程学院
出处 《电子与信息学报》 EI CSCD 北大核心 2009年第3期711-715,共5页 Journal of Electronics & Information Technology
基金 国家973规划项目(2007CB307100 2007CB307106)资助课题
关键词 WEB服务 服务发现 CHORD QOS 本体 Web service Service discovery Chord QoS Ontology
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献18

  • 1Curbera F, Khalaf R, and Mukhi N, et al. The next step in web services. Communication8 of the ACM, 2003, 46(10): 29-34.
  • 2Martin D. OWL-S: Semantic markup for web services. http://www.daml.org/services/owl-s/OWL-S:SemanticMark up for Web Services.htm. 2003.
  • 3Ganjisaffar Y, Abolhassani H, and Neshati M, et al.. A similarity measure for OWL-S annotated Web services. IEEE/WIC/ACM International Conference on Web Intelligence, Hong Kong, 2006: 621-624.
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二级参考文献10

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共引文献46

同被引文献79

引证文献5

二级引证文献15

电子与信息学报
2009年 第3期

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