1 citations · 1 across the 5 of their papers we have counts for
7 papers
DREAMS: A Social Exchange Theory-Informed Modeling of Misinformation Engagement on Social Media
Lin Tian, Marian-Andrei Rizoiu
Social media engagement prediction is a central challenge in computational social science, particularly for understanding how users interact with misinformation. Existing approache…
Tree of Agents: Improving Long-Context Capabilities of Large Language Models through Multi-Perspective Reasoning
Song Yu, Xiaofei Xu, Ke Deng +2
Large language models (LLMs) face persistent challenges when handling long-context tasks, most notably the lost in the middle issue, where information located in the middle of a lo…
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…