摘要： Web 上可获得的Web 服务的日益增多引起了服务检索上新的挑战：准确定位所需的服务。该文在分析了传统关键词检索方法不足的基础上，提出基于功能的Web 服务语义相似匹配，从查全率和查准率两方面对服务的检索质量进行了改进。

关键词: 语义相似匹配；查准率；查全率

Abstract: The growing number of Web services available on the Web raises a new challenge in service searching: locating desired Web services accurately. Based on the analysis of the insufficiency of traditional keyword search, capacity-based semantic similarity matchmaking for Web service is proposed. It improves the precision and recall of quality of Web service searching

Key words: Semantic similarity matchmaking; Precision; Recall