Web服务计算组合流程QoS验证
发布时间:2019-04-03 06:25
【摘要】:在满足功能需求的前提下,Web服务能否赢得市场,主要取决于其服务质量(Quality of Services,QoS)。采用概率模型检验的方法判断Web服务计算组合流程的服务质量是否满足系统质量需求。依据用户访问Web服务产生的访问日志,采用聚类的方法,构建面向用户群组的Web服务流程的使用行为QoS模型。采用QoS扩展的状态图描述Web服务流程的QoS需求。然后,利用概率模型验证工具PRISM判断Web服务流程的QoS是否满足系统质量需求。验证面向用户群组的Web服务流程的使用行为质量模型是否满足系统质量需求,为服务流程结构的调整提供了依据。
[Abstract]:On the premise of meeting the functional requirements, whether Web service can win the market depends mainly on its quality of service (Quality of Services,QoS). The probabilistic model checking method is used to judge whether the service quality of the Web service computing composition process meets the system quality requirements. Based on the access logs generated by user access to Web services, a QoS model of user group-oriented usage behavior of Web services process is constructed by using clustering method. The state diagram extended by QoS is used to describe the QoS requirements of the Web service process. Then, the probabilistic model verification tool PRISM is used to determine whether the QoS of the Web service process meets the system quality requirements. This paper verifies whether the user group-oriented Web service process usage behavior quality model meets the system quality requirements and provides a basis for the adjustment of service process structure.
【作者单位】: 上海大学计算机工程与科学学院;上海市计算机软件评测重点实验室;上海大学计算中心;
【基金】:国家自然科学基金项目(60970007,61170044,61572306,61502294) 上海市自然科学基金项目(15ZR1415200) 上海高校青年教师培训资助计划(ZZSD13008)资助
【分类号】:TP393.09
[Abstract]:On the premise of meeting the functional requirements, whether Web service can win the market depends mainly on its quality of service (Quality of Services,QoS). The probabilistic model checking method is used to judge whether the service quality of the Web service computing composition process meets the system quality requirements. Based on the access logs generated by user access to Web services, a QoS model of user group-oriented usage behavior of Web services process is constructed by using clustering method. The state diagram extended by QoS is used to describe the QoS requirements of the Web service process. Then, the probabilistic model verification tool PRISM is used to determine whether the QoS of the Web service process meets the system quality requirements. This paper verifies whether the user group-oriented Web service process usage behavior quality model meets the system quality requirements and provides a basis for the adjustment of service process structure.
【作者单位】: 上海大学计算机工程与科学学院;上海市计算机软件评测重点实验室;上海大学计算中心;
【基金】:国家自然科学基金项目(60970007,61170044,61572306,61502294) 上海市自然科学基金项目(15ZR1415200) 上海高校青年教师培训资助计划(ZZSD13008)资助
【分类号】:TP393.09
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