129 citations · 848 across the 73 of their papers we have counts for
5 papers · 2 filters
X-Troll: eXplainable Detection of State-Sponsored Information Operations Agents
Lin Tian, Xiuzhen Zhang, Maria Myung-Hee Kim +2
State-sponsored trolls, malicious actors who deploy sophisticated linguistic manipulation in coordinated information campaigns, posing threats to online discourse integrity. While…
Mario at EXIST 2025: A Simple Gateway to Effective Multilingual Sexism Detection
Lin Tian, Johanne R. Trippas, Marian-Andrei Rizoiu
This paper presents our approach to EXIST 2025 Task 1, addressing text-based sexism detection in English and Spanish tweets through hierarchical Low-Rank Adaptation (LoRA) of Llama…
Estimating Online Influence Needs Causal Modeling! Counterfactual Analysis of Social Media Engagement
Lin Tian, Marian-Andrei Rizoiu
Understanding true influence in social media requires distinguishing correlation from causation--particularly when analyzing misinformation spread. While existing approaches focus…
Signals from the Floods: AI-Driven Disaster Analysis through Multi-Source Data Fusion
Xian Gong, Paul X. McCarthy, Lin Tian +1
Massive and diverse web data are increasingly vital for government disaster response, as demonstrated by the 2022 floods in New South Wales (NSW), Australia. This study examines ho…
Before It's Too Late: A State Space Model for the Early Prediction of Misinformation and Disinformation Engagement
Lin Tian, Emily Booth, Francesco Bailo +2
In today's digital age, conspiracies and information campaigns can emerge rapidly and erode social and democratic cohesion. While recent deep learning approaches have made progress…