微博“树洞”留言的负性情绪特征分析

目的:探讨微博"树洞"留言的情绪特征,为开展心理健康促进、自杀预警及干预提供思路和数据支持。方法:通过"树洞"智能机器人抓取留言数据351 825条,通过分词、TF-IDF算法得到词频排名前500的高频关键词,利用Gephi软件对关键词进行共现网络分析,利用Boson提供的情感词典判断所提取高频关键词的情感正负程度,计算每个小时内留言的数量,并对负性情绪进行内容分析。结果:发布留言在22∶00～02∶00活跃度最高(占总留言量的36.3%),05∶00～07∶00活跃度最低(占总留言量的4.2%)。数据经处理后的346 075条有效留言数据中,偏正性情感表达的有165 890条,其中情感得分大于0的留言有137 132条,占总留言量的39.7%,等于0的有28 578条(8.2%),偏负性情感表达的留言有180 185条,占总留言量的52%。各时间段负性情绪的表达均多于正性情绪。留言的内容包括情绪的倾诉、人际关系和社会支持、睡眠以及死亡等方面,在表达自杀意念的人群中,"跳楼、安眠药、割腕、烧炭"是提及自杀方式最多的词。结论:微博"树洞"用户普遍表达的负性情绪以及相关负性生活事件应引起人...

Negative emotional characteristics of Weibo"Tree Hole"users

Objective:To explore the negative emotional characteristics of Weibo"Tree Hole"messages in order to provide ideas and data support for mental health promotion,suicide waning and intervention.Method:U­sing a"Tree Hole"artificial intelligence(AI)robot,351825 messages were reviewed and words were divided by using a Jieba tool.The 500 most frequently used key words were calculated using a TF-IDF algorithm.Keywords co-occurrence network was constructed for social network analysis with important keywords by using Gephi soft­ware.Boson affective dictionary was used to judge for emotion characteristics of high frequency keywords.The a­mount of messages per hour was collected and the content characteristics of negative emotionswere analyzed.Results:Most messages were posted between 22:00 and 02:00,accounting for 36.3%of the total number of messages reviewed.The time period for posting the fewest number of messages was 05:00 to 07:00,accounting for 4.2%of the total number of messages reviewed.Among the 346075 valid messages after data processing,165890 messages were positive emotional expression,among which 137132 messages had an emotional score grea­ter than 0,accounting for 39.7%of the total messages,28578 messages had an emotional score equal to 0(8.2%),and 10185 messages were negative emotional expression,accounting for 52%of the total messa­ges.Negative emotions were more expressed than positive emotions in each time period.The contents of the mes­sage included emotional expression,interpersonal relationship and social support,sleep and death.Among the people who express suicidal ideation,jumping off the building,sleeping pills,cutting wrists and burning charcoal were the most mentioned words related to suicidal ways.Conclusion:Negative emotions and related negative life events commonly are expressed by users of Weibo"tree hole".More attention should be paid to this phenomena,especially for users who express suicidal ideation,early identification and interventions are important.