Topic Model for Identifying Suicidal Ideation in Chinese Microblog

no code implementations • PACLIC 2015 • Xiaolei Huang, Xin Li, Tianli Liu, David Chiu, Tingshao Zhu, Lei Zhang

Detecting Suicidal Ideation in Chinese Microblogs with Psychological Lexicons

no code implementations • 4 Nov 2014 • Xiaolei Huang, Lei Zhang, Tianli Liu, David Chiu, Tingshao Zhu, Xin Li

Currently, we have identified 53 known suicidal cases who posted suicide notes on Weibo prior to their deaths. We explore linguistic features of these known cases using a psychological lexicon dictionary, and train an effective suicidal Weibo post detection model.

BIG-bench Machine Learning

Using Linguistic Features to Estimate Suicide Probability of Chinese Microblog Users

no code implementations • 4 Nov 2014 • Lei Zhang, Xiaolei Huang, Tianli Liu, Zhenxiang Chen, Tingshao Zhu

If people with high risk of suicide can be identified through social media like microblog, it is possible to implement an active intervention system to save their lives.