基于语义距离的Web服务匹配算法

Matching Algorithm of Web Services Based on Semantic Distance

摘要: 为了更有效地得到语义Web服务之间的匹配程度,从Web服务的输入、输出参数的语义描述出发,把语义Web服务的匹配问题转化为领域本体中概念间语义距离的计算,综合考虑概念间的距离、概念深度、概念密度和两概念间向下方向的边数4个因素的影响,提高了服务的查准率和查全率.

Abstract: In order to get an effective mean of discriminating services at a level of granlarity,based on the semantic description of Web services' input and output,the issue of matching semantic Web services is transformed to the computation of semantic distance between concepts in domain ontology.The factors of path lengh,depth,local density and number of down direction are taken into account in the algorithm.Finally,it improves the recall and precision.