Research

NLPPublic HealthCSSCHI 2024

Using AI to Study How Social Media Discussions Affect Public Health

Our research introduces a new approach using LLMs to understand how discussions about health measures on social media influence public health outcomes. We track 'gists' in online conversations and demonstrate how language patterns predict real world health trends.

NLPCSSMediaAAAI ICWSM 2023

How TV News Shapes Social Media Discussions

Our research analyzes how language used by major news channels influences conversations on social media. We compare TV news content with social media posts. The research shows that news presentation can deepen political polarization online.

HCICSSTOCHI 2025

Why People Do or Do Not Respond to Hate Speech Online

Our study investigates motivations and barriers regarding willingness to respond to hate speech online. We surveyed hundreds of participants and found that targets of hate respond more often. Younger individuals, women, and regular witnesses hesitate due to fears of retaliation.

HCIAIMCHAIVL/HCC 2025

CounterQuill: An AI Tool to Help People Write Responses to Hate Speech

Our research introduces CounterQuill, an AI tool that helps users create empathetic responses to hate speech. We evaluate the tool through a step by step process, enabling effective human-AI collaboration for counterspeech writing.