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Concept Similarity Measure with Hierarchy Structure and Information
Cong Dai,Dongmei Li,Hui han,Qichen Han,Jiajia Hou 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.8
Calculating semantic similarity between concepts in ontology is an important issue in natural language processing and so on, so how to measure the similarity becomes a hot topic among many scholars. However, most existing methods cannot distinguish the similarity further. Confronting this problem, we propose a new semantic similarity method combining hierarchy structure of ontology and information content of two concepts based on domain ontology, which highlights the semantic information of leaves in the ontology structure. Our experiment demonstrates that, compared with other available methods, our proposal can improve the accuracy between two leaves and between leaf and non-leaf.