Selected talks and presentations

Detection of Content Incivility and its Causal Effects using Machine Learning

June 16, 2022

Talk, SICSS 2022@NUS, Singapore

Using political incivility as an example, this talk presents a dictionary-based classification method, by leveraging word embeddings, could outperform supervised machine learning methods to detect uncivil content in online comments. Furthermore, this talk shows that machine learning models could help identify the causal effects of political incivility on engagement and contagions, by controlling for textual confounders.

Information Diffusion in Communication Networks

June 21, 2021

Talk, SICSS 2021@Hong Kong, HKUST, Hong Kong

This talk summarized the popular empirical models including user-centric models, cascade-centric models, and a newly developed model by combining the two.