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Journal of Software:2012.23(6):1350-1367

Web 服务选择中信誉度评估方法
王尚广,孙其博,杨放春
(北京邮电大学 网络与交换技术国家重点实验室,北京 100876)
Reputation Evaluation Approach in Web Service Selection
WANG Shang-Guang,SUN Qi-Bo,YANG Fang-Chun
(State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China)
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Received:May 11, 2010    Revised:January 12, 2011
> 中文摘要: 在开放的Web 服务环境中,由于无法保证用户使用服务后给出的反馈等级是真实可靠的,导致服务的信誉度评估结果与实际值存在较大偏差,进而服务选择失败率较高.为了克服上述问题,提出了一种用于Web 服务选择的信誉度评估方法.该方法的主要思想是,通过反馈核查、校正和检测这3 个信誉度评估模块对服务的信誉度进行评估.仿真结果表明,所提出的方法不仅有效提高了信誉度评估的客观性,还显著减小了服务选择的偏离度.
Abstract:In an open Web service environment, it is difficult to guarantee the authenticity of the feedback ratings reported by users after they have already consumed some services, which leads to large deviation between evaluation results and actual values of service reputation. Therefore, there are much more failures in service selection. To address the above problem, this paper proposes a reputation evaluation approach for Web service selection. The main idea of the proposed approach is evaluating the reputation by three reputation evaluation model including feedback checking, feedback adjustment, and feedback detection. Simulation results demonstrate the proposed approach not only improves the objectivity of reputation evaluation effectively, but also reduces the deviation of service selection significantly.
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基金项目:国家自然科学基金(60872042, 60821001); 国家重点基础研究发展计划(973)(2009CB320406); 国家高技术研究发展计划(863)(2008AA01A317); 核高基国家科技重大专项(2009ZX01039-001-002-01) 国家自然科学基金(60872042, 60821001); 国家重点基础研究发展计划(973)(2009CB320406); 国家高技术研究发展计划(863)(2008AA01A317); 核高基国家科技重大专项(2009ZX01039-001-002-01)
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王尚广,孙其博,杨放春.Web 服务选择中信誉度评估方法.软件学报,2012,23(6):1350-1367

WANG Shang-Guang,SUN Qi-Bo,YANG Fang-Chun.Reputation Evaluation Approach in Web Service Selection.Journal of Software,2012,23(6):1350-1367