%A Geng Qian,Liu Chang %T Natural Language Retrieval Based on Phrase Structure Index %0 Journal Article %D 2004 %J Data Analysis and Knowledge Discovery %R 10.11925/infotech.1003-3513.2004.02.14 %P 53-55 %V 20 %N 2 %U {https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/abstract/article_1213.shtml} %8 2004-02-25 %X

This paper discusses natural language retrieval based on phrase structure index and related problems. The paper presents the index types which meet the natural language retrieval, and analyses their characteristics. On the basis of validity and difficulty, the paper puts forward the retrieval project by using phrase structure index. Three kinds of presenting ways are analyzed, the physical structural and the retrieval procedure by using phrase structure index are given.