| 一种本体概念的语义相似度计算方法 |
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| 引用本文： | 李文清,孙新,张常有,冯烨.一种本体概念的语义相似度计算方法[J].自动化学报,2012,38(2):229-235. |
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| 作者姓名： | 李文清 孙新 张常有 冯烨 |
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| 作者单位： | 1.北京理工大学计算机学院 北京 100081; |
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| 基金项目： | 国家自然科学基金(60873208);河北省自然科学基金(F2009000929)资助~~ |
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| 摘 要： | 概念语义相似度已广泛应用于 Web 服务发现、本体映射等领域, 但现有的概念语义相似度计算方法对概念间语义相似程度的区分不够细致. 本文从本体结构出发, 首先提出了自底向上的本体概念出现概率计算方法, 并在此基础上改进了基于节点信息量的概念语义相似性度量方法; 然后又设计了基于边计算的本体概念语义相似度计算方法; 最后对上述两种方法线性加权, 提出了一种加权的本体概念语义相似度计算方法. 实验结果表明该方法能进一步正确区分本体中父子概念及兄弟概念间的相似程度.
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| 关 键 词： | 本体 语义相似度 概念出现概率 信息量 |
| 收稿时间： | 2010-12-14 |
| 修稿时间： | 2011-7-16 |
A Semantic Similarity Measure between Ontological Concepts |
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| LI Wen-Qing,SUN Xin,ZHANG Chang-You,FENG Ye.A Semantic Similarity Measure between Ontological Concepts[J].Acta Automatica Sinica,2012,38(2):229-235. |
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| Authors: | LI Wen-Qing SUN Xin ZHANG Chang-You FENG Ye |
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| Affiliation: | 1.School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081;2.School of Information Science and Technology, Shijiazhuang Tiedao University, Shijiazhuang 050043;3.Beijing Institute of Control Engineering, Beijing 100190 |
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| Abstract: | Concept semantic similarity is wildly used in web service matchmaking, ontology mapping and so on. But the existing concepts semantic similarity measuring methods cannot distinguish the similarities further. So in this paper, we firstly propose a bottom-up concept probability computation method based on ontology structure, and based on this probability, we improve an information content based semantic similarity method. Then, we design an edge based concept semantic similarity method. Finally, we linearly combine the two previous semantic similarity methods to form a weighted one. Result shows that the weighted one can distinguish similarity between concept and its children, or between siblings. |
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| Keywords: | Ontology semantic similarity probability of concept occurrence information content |
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