All Stories

  1. X-Troll: eXplainable Detection of State-Sponsored Information Operations Agents

    Article • November 2025, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  2. Before It's Too Late: A State Space Model for the Early Prediction of Misinformation and Disinformation Engagement

    Article • April 2025, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  3. Behavioral Homophily in Social Media via Inverse Reinforcement Learning: A Reddit Case Study

    Article • April 2025, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  4. Harmony in the Australian Domain Space

    Article • May 2024, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu, Paolo Boldi, Professor Paul X. McCarthy

  5. The effectiveness of moderating harmful online content

    Article • Proceedings of the National Academy of Sciences, August 2023, Proceedings of the National Academy of Sciences

    Marian-Andrei Rizoiu

  6. Interval-censored Transformer Hawkes: Detecting Information Operations using the Reaction of Social Systems

    Article • April 2023, ACM (Association for Computing Machinery)

    Olga Boichak, Marian-Andrei Rizoiu

  7. Birdspotter

    Article • March 2021, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  8. Evently

    Article • March 2021, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  9. Describing and Predicting Online Items with Reshare Cascades via Dual Mixture Self-exciting Processes

    Article • October 2020, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  10. How does the recommendation network of YouTube music videos drive human attention?

    Article • Proceedings of the ACM on Human-Computer Interaction, November 2019, ACM (Association for Computing Machinery)

    Siqi Wu, Marian-Andrei Rizoiu

  11. Will This Video Go Viral

    Article • January 2018, ACM (Association for Computing Machinery)

    Siqi Wu, Marian-Andrei Rizoiu

  12. SIR-Hawkes

    Article • January 2018, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  13. Expecting to be HIP

    Article • April 2017, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu

  14. Feature Driven and Point Process Approaches for Popularity Prediction

    Article • October 2016, ACM (Association for Computing Machinery)

    Marian-Andrei Rizoiu