Role of Ontology in Information Retrieval
摘要
Based on the comparison between ontology and thesaurus, and the analysis of an ontology-based Information Retrieval (IR) model, the potential advantages that ontology may contribute to IR are analyzed. Then a general architecture of ontology-based Information Retrieval System (IRS) and the approach of constructing it are presented. Based on the researches, the role of ontology in IR is summarized from four aspects and a typical system called Textpresso is analyzed. Finally, a conclusion is drawn that utilizing ontology is the trend of IR and can really improve the IRS.
引用本文（GB/T 7714）
Dan Wu, Huilin Wang. Role of Ontology in Information Retrieval[J]. 中国电子科技：英文版, 2006.
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