129 citations · 848 across the 73 of their papers we have counts for
23 papers · 1 filter
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…
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…
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…
Interval-censored Transformer Hawkes: Detecting Information Operations using the Reaction of Social Systems
Quyu Kong, Pio Calderon, Rohit Ram +2
Social media is being increasingly weaponized by state-backed actors to elicit reactions, push narratives and sway public opinion. These are known as Information Operations (IO). T…
Opinion Market Model: Stemming Far-Right Opinion Spread using Positive Interventions
Pio Calderon, Rohit Ram, Marian-Andrei Rizoiu
Online extremism has severe societal consequences, including normalizing hate speech, user radicalization, and increased social divisions. Various mitigation strategies have been e…
Conductance and Influence-Capital: Modeling Online Social Influence
Rohit Ram, Marian-Andrei Rizoiu
Human interactions are mediated by social influence. During crises like the COVID-19 pandemic, social influence determines whether life-saving information is adopted or immunizatio…