淮阴 工 学院 毕 业设 计 说明 书 ( 论 文 ) 第 1 页 共 1 页
目 录
1 引言...................................................................................................................................1
1.1 课题背景及意义............................................................................................................1
1.2 国内外研究与发展现状................................................................................................2
1.3 课题主要研究内容........................................................................................................3
1.4 章节安排........................................................................................................................4
2 需求分析...........................................................................................................................5
2.1 行业需求........................................................................................................................5
2.2 市场需求........................................................................................................................6
2.3 功能需求........................................................................................................................7
3 数据获取与预处理...........................................................................................................7
3.1 数据选择........................................................................................................................7
3.2 数据爬取........................................................................................................................7
3.3 数据清洗........................................................................................................................8
3.4 文本分词........................................................................................................................9
4 文本特征词提取...............................................................................................................9
4.1 词频统计........................................................................................................................9
4.2 主题词特征提取..........................................................................................................10
5 文本情感倾向分析.........................................................................................................12
5.1 标注情感标签..............................................................................................................12
5.2 模型构建......................................................................................................................12
5.3 实验设计......................................................................................................................16
6 数据可视化分析.............................................................................................................18
6.1 数据可视化..................................................................................................................18
6.2 景点改进建议..............................................................................................................25
结 论...................................................................................................................................27
致 谢...................................................................................................................................28
参考文献...............................................................................................................................29