目录摘要..............................................................................................................1前言..............................................................................................................3第一章概述.................................................................................................41.1情感分析概述..................................................................................41.1.1主要研究内容..........................................................................41.1.2文本情感分析的分类.............................................................51.1.3主题模型在情感分析中的应用...........................................61.2国内外研究现状..............................................................................61.3本文内容安排..................................................................................7第二章数据预处理....................................................................................82.1概述...................................................................................................82.2分词以及简繁体转换.....................................................................82.3去除停用词......................................................................................82.4抽取情感信息...................................................................................92.4.1情感词典的构建.....................................................................92.4.2抽取情感信息..........................................................................92.4.3数据...........................................................................................92.5本章小结.........................................................................................10第三章LDA建模.......................................................................................113.1LDA概念..........................................................................................113.1.1概率主题概念的提出...........................................................113.1.2LDA模型..................................................................................123.2实验.................................................................................................133.2.1划分数据集............................................................................133.2.2数据词典................................................................................133.2.3向量化.....................................................................................143.2.4使用TF-IDF作为特征值.......................................................153.2.5LDA模型训练.........................................................................163.3本章小结.........................................................................................17第四章SVM分类.......................................................................................184.1SVM概念.........................................................................................184.1.1线性分类................................................................................184.1.2软间隔最大化........................................................................204.1.3非线性支持向量机...............................................................204.2本文中的SVC.........................
