基于大模型检索增强生成的气象数据库问答模型实现.docx

基于大模型检索增强生成的气象数据库问答模型实现

目录

1.内容概览................................................3

1.1研究背景.............................................3

1.2研究目的与意义.......................................4

1.3文档结构.............................................5

2.相关技术概述............................................6

2.1大模型检索技术.......................................7

2.2数据库问答技术.......................................8

2.3气象数据库特点......................................10

3.模型设计...............................................11

3.1模型架构............................................12

3.1.1数据预处理......................................13

3.1.2检索增强模块....................................14

3.1.3问答生成模块....................................15

3.1.4模型训练与优化..................................16

3.2模型训练方法........................................17

3.2.1数据集准备......................................19

3.2.2损失函数选择....................................20

3.2.3优化算法........................................21

4.实现细节...............................................22

4.1数据库接口设计......................................23

4.2检索算法实现........................................24

4.2.1检索策略........................................25

4.2.2检索结果排序....................................26

4.3问答生成算法实现....................................27

4.3.1生成策略........................................28

4.3.2生成模型选择....................................29

5.模型评估...............................................30

5.1评估指标............................................31

5.1.1准确率..........................................32

5.1.2召回率..........................................33

5.2评估结果分析........................................34

5.2.1模型性能分析....................................36

5.2.2模型优缺点分析..................................37

6.应用案例...............................................38

6.1案例一..............................................39

6.2案例二.............