Proactive Suicide Prevention Online (PSPO): Machine Identification and Crisis Management for Chinese Social Media Users With Suicidal Thoughts and Behaviors

Xingyun Liu   ^{1, 2, 3} , MA ;   Xiaoqian Liu   ² , PhD ;   Jiumo Sun   ^{2, 3} , BA ;   Nancy Xiaonan Yu   ¹ , PhD ;   Bingli Sun   ² , MA ;   Qing Li   ⁴ , PhD ;   Tingshao Zhu   ² , PhD

¹ Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong, HK

² Institute of Psychology, Chinese Academy of Sciences, Beijing, CN

³ Department of Psychology, University of Chinese Academy of Sciences, Beijing, CN

⁴ Department of Computing, The Hong Kong Polytechnic University, Hong Kong, HK