面向不同用户群体的社交媒体台风舆情演化分析及对比研究

金城, 吴文渊, 陈柏儒, 杨续超

Analysis and Comparative Study of the Evolution of Public Opinion on Social Media during Typhoon for Different User Groups

JIN Cheng, WU Wenyuan, CHEN Bairu, YANG Xuchao

表2 基于情感词典的模型和SnowNLP的情感倾向性评价结果

Tab. 2 Sentiment polarity assessment result of sentiment dictionary-based model and SnowNLP respectively

基于情感词典 SnowNLP 积极 中性 消极 积极 中性 消极 Precision 0.873 0.713 0.835 0.472 0.348 0.547 Recall 0.785 0.760 0.881 0.608 0.204 0.517 F-measure 0.826 0.736 0.857 0.532 0.257 0.532