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中文摘要：
分析了基于描述逻辑推理的Web服务匹配方法在服务区分能力方面的不足，提出了一种简单有效的本体概念之间语义距离的计算方法，并基于这种语义距离的计算方法提出了一种增强语义精确度的Web服务匹配方法．该方法在逻辑推理的基础上增加了语义距离的计算，增强了对Web服务的区分能力，并兼顾了服务匹配的效率和准确性要求．通过原型系统的验证，证明了该方法的有效性和可行性．
英文摘要：
The deficiency of services distinguishing capability in web services matchmaking approaches, which is based on description logic＇s reasoning, is analyzed. A simple and efficient calculation method for semantic distance is presented. Based on this calculation method, a new web services matchmaking approach with enhanced semantic precision is proposed under the consideration of matchmaking efficiency and precision. On the basis of description logic reasoning, the proposed matchmaking method introduces semantic distance calculation to enhance the services distinguishing capability and give attention to both the efficiency and the veracity of matchmaking system. By the prototype of the system, the feasibility and efficiency of this method is verified.
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