Information of Defense Products Search System Based on Ontology
基于Ontology的国防产品信息搜索系统*

Aimed at the weakness of the keyword-based search,an Ontology-based information retrieval model hasbeen presented.Considering the characteristics of Web documents,this paper brings forward a semi-automation con-struction method of domain Ontology,achievement the semantic indexing through a topic extracting method based on do-main Ontology,and succeed in searching the information of defense products.