目录
目录....................................................................................................................................................2
摘要....................................................................................................................................................3
关键词................................................................................................................................................4
第一章 绪论......................................................................................................................................4
1.1 研究背景.............................................................................................................................4
1.2 研究目的和意义.................................................................................................................5
1.3 国内外研究现状.................................................................................................................6
1.4 论文组织结构.....................................................................................................................7
第二章 相关技术基础......................................................................................................................9
2.1 自然语言处理技术.............................................................................................................9
2.2 数据库问答系统技术.........................................................................................................9
2.3 结构化数据库技术...........................................................................................................10
第三章 系统设计与实现................................................................................................................12
3.1 系统总体设计...................................................................................................................12
3.2 数据预处理模块...............................................................................................................14
3.3 自然语言理解模块...........................................................................................................15
3.4 答案生成模块...................................................................................................................16
第四章 系统性能评估....................................................................................................................18
4.1 评估标准与方法...............................................................................................................18
4.2 实验环境与数据集...........................................................................................................20
4.3 实验结果与分析...............................................................................................................21
第五章 系统改进与优化................................................................................................................23
5.1 问题分析与优化...............................................................................................................23
5.2 算法改进与实验...............................................................................................................24
5.3 系统性能提升...................................................................................................................25
