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- W2029133690 abstract "With the emergence of the semantic web, ontology has attracted a great deal of attention in field of informa- tion retrieval. But the conceptual formalism supported by typical ontology is not sufficient for handling incomplete infor- mation that is confronted in the real world knowledge. To tackle this problem, a semantic information retrieval approach based on a rough ontology is proposed. Rough ontology in this paper is in the form of an ontology information system. Given a keyword based query, our approach infers the individuals and properties correlated to the query through a proce- dure of association searches in the rough ontology, and takes properties as equivalence relations to construct an approxi- mation space of rough ontology. Afterward, an algorithm of computing similarity in rough ontology is presented, and ap- proximation space is employed to compute similarity for ranking documents in semantic document indexing space. The proposed approach has been compared with two other information retrieval techniques, and the experiments conducted on CNKI collections, support the better efficacy which results from our approach." @default.
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- W2029133690 date "2014-12-31" @default.
- W2029133690 modified "2023-09-23" @default.
- W2029133690 title "A Semantic Information Retrieval Approach Based on Rough Ontology" @default.
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- W2029133690 doi "https://doi.org/10.2174/1874110x01408010399" @default.
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