特征观点对购买意愿的影响:在线评论的情感分析方法

被引:55
作者
王伟
王洪伟
机构
[1] 同济大学经济与管理学院
关键词
产品特征; 在线评论; 购买意愿; 情感分析; 特征挖掘; 观点识别;
D O I
暂无
中图分类号
B842.6 [情绪与情感];
学科分类号
摘要
网络口碑是影响消费者购买行为的因素之一,在线评论中的各种评价信息会改变用户对产品质量的感知,进而影响购买意愿.不同产品特征对用户购买意愿的影响程度各不相同.为此,结合情感分析技术,构建计量经济模型,分析产品特征评价与用户购买意愿的关系,能够识别产品特征的重要程度.首先对产品特征进行抽取和降维,提取"特征一观点对".然后依据信息增益的思想,计算特征的信息增益.利用情感分析技术识别情感极性及其强度,结合产品特征的信息增益,建立产品特征评价对用户购买意愿的计量经济模型,得到产品特征重要度的量化方法.对亚马逊网站上386款数码相机进行持续39个月的跟踪,实证结果表明,对数码相机产品特征的重要度识别高于TF-IDF算法以及HAC算法.研究结果建立起产品特征与用户购买意愿的联系,为网络口碑营销提供了理论依据.
引用
收藏
页码:63 / 76
页数:14
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