Dr Chang Liu
Research Fellow
PhD
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Biography
PhD graduate in Management Information Systems (2025). I also received Master’s degrees in Computer Science (2016) and Enterprise Management (2011). I specialize in machine learning and computational social science, with expertise in data mining, causal inference, and natural language processing.
University roles and responsibilities
- Research co-lead of Digital Harms, Democratic Costs (DHDC) Project.
Publications
Chang Liu, Yixin Wang, Moontae Lee (2025) (ICML) Counterfactual Voting Adjustment for Quality Assessment and Fairer Voting in Online Platforms with Helpfulness Evaluation
Moontae Lee, Chang Liu, Ali Tafti (2025) (IC2S2) From Popularity to Meritocracy: Ranking Monopoly and Evolution of Excellence in Online Communities
Jinsong Huang, Chang Liu () (ICIII) An Empirical Comparison of Exponential-Gamma with ‘never triers’ Model, Weibull-Gamma with ‘never triers’ model and Bass Model for New Automobiles Trial Calibration and Forecasting in Chinese Market