3 papers
cs.SI2026
Beyond Content: Behavioral Policies Reveal Actors in Information Operations
Philipp J. Schneider, Lanqin Yuan, Marian-Andrei Rizoiu
The detection of online influence operations -- coordinated campaigns by malicious actors to spread narratives -- has traditionally depended on content analysis or network features…
cs.AI2025
Learning to Make Friends: Coaching LLM Agents toward Emergent Social Ties
Philipp J. Schneider, Lin Tian, Marian-Andrei Rizoiu
Can large language model (LLM) agents reproduce the complex social dynamics that characterize human online behavior -- shaped by homophily, reciprocity, and social validation -- an…
cs.SI2025
Behavioral Homophily in Social Media via Inverse Reinforcement Learning: A Reddit Case Study
Lanqin Yuan, Philipp J. Schneider, Marian-Andrei Rizoiu
Online communities play a critical role in shaping societal discourse and influencing collective behavior in the real world. The tendency for people to connect with others who shar…