数据库自然语言查询系统Nchiql中语义依存树向SQL的转换

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中文信息学报 ›› 2001, Vol. 15 ›› Issue (5) : 41-46.

孟小峰,王珊

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Method of Transforming Semantic Dependent Tree to SQL In Nchiql

MENG Xiao-feng,WANG Shan

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摘要

本文介绍了关系数据库受限自然语言查询系统NChiql中语义依存树向SQL的转换算法。文章首先介绍了集合块的概念、划分方法以及集合块向SQL的转换算法,然后再给出最大集合块的再次划分方法,最后形成完整的转化算法。

Abstract

This paper introduces the method of tranforming the semantic dependent tree to SQL in Nchiql. First we describe the concept of setblock and its transforming method ,then we give the whole algorithmic of SQL transforming method based on concept of setblock.

导出引用

孟小峰,王珊. 数据库自然语言查询系统Nchiql中语义依存树向SQL的转换. 中文信息学报. 2001, 15(5): 41-46

MENG Xiao-feng,WANG Shan. Method of Transforming Semantic Dependent Tree to SQL In Nchiql. Journal of Chinese Information Processing. 2001, 15(5): 41-46

参考文献

[1] Ann Copestake , Karen Sparck Jones. Natural Language Interfaces to Databases. The Knowledge Engineering Review ,1990 ,5 (4) :225 - 249
[2] Wu X , Ichikawa T ,Cercone N. Knowledge-base Assisted Database Retrieval Systems. World Scientific ,1996
[3] 孟小峰,王珊. 嵌套查询的非嵌套化处理研究. 计算机学报,1995 ,18 (4) :241 - 251
[4] 刘开瑛,郭炳炎. 自然语言处理. 北京:科学出版社,1991
[5] 孟小峰,刘爽,王珊. Word Segmentation based on Database Semantic in NChiql. Journal of Computer Science and Technology ,June 2000 ,15 (4) :346 - 354

基金

国家自然科学基金重点项目(69633020)

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Received	Published
2001-03-07	2001-10-15
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2001-10-15

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