弹幕视频的情感时间曲线聚类与传播效果*

张腾,倪渊,莫同,吕学强

Sentiment Curve Clustering and Communication Effects of Barrage Videos

Zhang Teng,Ni Yuan,Mo Tong,Lv Xueqiang

表8 基于扩充情感模型情感极性二分类效果评价指标

Table 8 Evaluation Index of Sentiment Polarity Binary Classification Effect Based on Extended Sentiment Dictionary Model

准确率： T P + T N T P + T N + F P + F N 精确率： T P T P + F P 召回率： T P T P + F N F1值 76.47% 85.90% 71.94% 0.79