Web服务非功能属性相关性与QoS评价

Dependency of Non-functional Properties of Web Services and QoS Evaluation

本文在分析了Web服务非功能属性的特点与研究了分类的基础上,提出了用模糊集和灰色系统处理具有不确定性的非功能属性的处理方法,并基于粗糙集理论给出了非功能属性之间相关性的测量方法——关联度,以及决策因素对于决策结果的重要性的描述——支持度,为QoS评价提供新方法。

We analyze the features of non-functional properties of Web Services, study their classification, advance a method to dis- pose the uncertain features with fuzzy sets and grey systems, provide a measurement （i.e. relevance degree, based on rough sets） of dependency among the non-functional properties, which evolves the description （i.e. support degree, based on rough sets too） of es- sentiality how decision factors affect the decision results, and supply a new approach of QoS evaluation.