Objective:The development of social network provides a new way for people with depression to talk about their life and emotions.This paper takes Sina Weibo as the representative platform of Chinese social media,constructs the portrait of users with depression in Weibo,mines the language content and emotional characteristics of the depression in social network,and visually displays the typical characteristics of them,so as to provide reference and support for early identification of users with depression in social media.Subject and Methods:From the perspective of user portrait,this paper constructs CUTE model of users with depression in social media from four aspects: user dimension,time dimension,content dimension and emotion dimension.This study reviews the research status of previous literature,obtains social media platform data by web crawler,analyzes the blog contents and emotions of users with depression by data mining,and finally displays the language characteristics and behavior characteristics by visualization,so as to realize the comprehensive analysis and semantic mining of social media characteristics of them.Results:The results show that the majority of users with depression are women,and they often register a new account as the Treehole for free expression.The expression of daily posts is often accompanied by extreme and pessimistic emotional catharsis,and the peak of negative emotional expression is at night.Blog topics mainly include five aspects: Philosophy of life thinking,description of sleep status,negative emotion catharsis,positive emotion expression and treatment of depression.The expression of posts has a special social network language style.These text features are important signs of identifying users with depression in social media.Conclusion:Based on previous studies,from the perspective of user portraits,combining information epidemiology and psychology,this study developed a more stringent criteria for the inclusion and exclusion of users with depression in social media.From the user dimension,time dimension,content dimension and emotional dimension,this paper constructs a user profile of the depression,which shows multi-dimensional characteristics of them,and provides an important basis for the identification and discovery through social media. |