MR
Marian-Andrei Rizoiu
cs.SIcs.CYcs.CLcs.LGecon.GNq-fin.ECstat.MLcs.AIphysics.soc-phcs.IR
On Valency
published · living versionsW_frhvrx4f·v1 · currentpublished
How Far Can an Agent Push? Trust-Safety Margins in Live Language-Based Economic Games
with Dima Galat
1 version
Preprints & journals
79 papers in the corpus · 2015–2026How Far Can an Agent Push? Trust-Safety Margins in Live Language-Based Economic Games2610.25508v2 · Dima Galat, Marian-Andrei Rizoiu2026 · 0 citationsarXivon Valency
Misinformation Without Triggers: From Factual Answers to Downstream Decisions2610.02886v1 · Lin Tian, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
Reading Too Much into Context: Passive Exposure Can Steer LLM Decisions2609.33065v1 · Yuxiang Zheng, Lin Tian, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
Less Is Moral: A CHARMing Framework for Moral Foundations Detection in Endorsement Behaviour2609.03330v2 · Huixiang Fu, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
From a Word-Level Dictionary to Sentence-Level Semantics: Multilingual Grievance Labelling with Contextual Models2607.20946v1 · Lin Tian, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
Cost-Pragmatic Quality Gating and Selection-Fusion Multi-Model Combiners for BioASQ Phases A+ and B2607.13551v1 · Dima Galat, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
UTS at ELOQUENT 2026 Voight-Kampff: structural shifts in AI writing bypass state-of-the-art detectors2607.13565v1 · Dima Galat, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
UTS at CheckThat! 2026: Cite-Frame Engineering for Generated Fact-Checking Articles2608.24466v1 · Dima Galat, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
Shifting Social Dispositions, Stable Prosocial Traits: A Global Age-Period-Cohort Analysis of Human Personality2608.18119v1 · Paul X. McCarthy, Xian Gong, John A. Johnson et al.2026 · 0 citationsarXiv
Long Live Fine-Tuning: Task-Specific Transformers Outperform Zero-Shot LLMs for Misinformation Response Classification on Reddit2606.04274v1 · JooYoung Lee, Lin Tian, Angela Brillantes et al.2026 · 0 citationsarXiv
UTS at PsyDefDetect: Multi-Agent Councils and Absence-Based Reasoning for Defense Mechanism Classification2605.09769v2 · Dima Galat, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
Brexit Means Brexit: Selection Bias, Echo Chambers, and Entrenched Opinion on Reddit2603.07509v2 · Marian-Andrei Rizoiu, Duy Khuu, Andrew Law et al.2026 · 0 citationsarXiv
DREAMS: A Social Exchange Theory-Informed Modeling of Misinformation Engagement on Social Media2602.01567v1 · Lin Tian, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
Beyond Content: Behavioral Policies Reveal Actors in Information Operations2602.02838v2 · Philipp J. Schneider, Lanqin Yuan, Marian-Andrei Rizoiu2026 · 0 citationsarXiv
The Hidden Geometry of Global Aid: How Money Moves Through 10 Million Transactions2512.17243v3 · Paul X. McCarthy, Xian Gong, Marian-Andrei Rizoiu et al.2025 · 0 citationsarXiv
Cosmos 1.0: a multidimensional map of the emerging technology frontier.41261102 · Gong, Xian, McCarthy, Paul X, Griffith, Colin et al.2025 · 1 citationScientific data. 2025;12(1):1837
Learning to Make Friends: Coaching LLM Agents toward Emergent Social Ties2510.19299v2 · Philipp J. Schneider, Lin Tian, Marian-Andrei Rizoiu2025 · 0 citationsarXiv
X-Troll: eXplainable Detection of State-Sponsored Information Operations Agents2508.16021v2 · Lin Tian, Xiuzhen Zhang, Maria Myung-Hee Kim et al.2025 · 3 citationsProceedings of the 34th ACM International Conference on Information and Knowledge Management, pp 2874--2884. 2025
Mario at EXIST 2025: A Simple Gateway to Effective Multilingual Sexism Detection2507.10996v1 · Lin Tian, Johanne R. Trippas, Marian-Andrei Rizoiu2025 · 0 citationsarXiv
Skill-Driven Certification Pathways: Measuring Industry Training Impact on Graduate Employability2506.04588v1 · Anatoli Kovalev, Narelle Stefanac, Marian-Andrei Rizoiu2025 · 1 citationarXiv
Estimating Online Influence Needs Causal Modeling! Counterfactual Analysis of Social Media Engagement2505.19355v1 · Lin Tian, Marian-Andrei Rizoiu2025 · 0 citationsarXiv
Signals from the Floods: AI-Driven Disaster Analysis through Multi-Source Data Fusion2505.17038v1 · Xian Gong, Paul X. McCarthy, Lin Tian et al.2025 · 0 citationsarXiv
The economics of global personality diversity2503.19388v7 · Paul X. McCarthy, Xian Gong, Marieth Coetzer et al.2025 · 0 citationsarXiv
From Occupations to Tasks: A New Perspective on Automatability Prediction Using BERT2502.09021v1 · Dawei Xu, Haoran Yang, Marian-Andrei Rizoiu et al.2025 · 4 citationsarXiv
Before It's Too Late: A State Space Model for the Early Prediction of Misinformation and Disinformation Engagement2502.04655v1 · Lin Tian, Emily Booth, Francesco Bailo et al.2025 · 1 citationarXiv
Behavioral Homophily in Social Media via Inverse Reinforcement Learning: A Reddit Case Study2502.02943v1 · Lanqin Yuan, Philipp J. Schneider, Marian-Andrei Rizoiu2025 · 8 citationsarXiv
What Drives Online Popularity: Author, Content or Sharers? Estimating Spread Dynamics with Bayesian Mixture Hawkes2406.03390v3 · Pio Calderon, Marian-Andrei Rizoiu2024 · 2 citationsarXiv
Author Correction: The impact of founder personalities on startup success.38714723 · McCarthy, Paul X, Gong, Xian, Braesemann, Fabian et al.2024 · 0 citationsScientific reports. 2024;14(1):10469
Harmony in the Australian Domain Space2404.10006v1 · Xian Gong, Paul X. McCarthy, Marian-Andrei Rizoiu et al.2024 · 0 citationsarXiv
Misinformation is not about Bad Facts: An Analysis of the Production and Consumption of Fringe Content2403.08391v2 · JooYoung Lee, Emily Booth, Hany Farid et al.2024 · 3 citationsarXiv
The impact of founder personalities on startup success.37848462 · McCarthy, Paul X, Gong, Xian, Braesemann, Fabian et al.2023 · 41 citationsScientific reports. 2023;13(1):17200
The effectiveness of moderating harmful online content.37579139 · Schneider, Philipp J, Rizoiu, Marian-Andrei2023 · 24 citationsProceedings of the National Academy of Sciences of the United States of America. 2023;120(34):e2307360120
Enhancing Biomedical Text Summarization and Question-Answering: On the Utility of Domain-Specific Pre-Training2307.04412v1 · Dima Galat, Marian-Andrei Rizoiu2023 · 0 citationsarXiv
Informing Innovation Management: Linking Leading R&D Firms and Emerging Technologies2305.02476v1 · Xian Gong, Claire McFarland, Paul McCarthy et al.2023 · 0 citationsarXiv
Interval-censored Transformer Hawkes: Detecting Information Operations using the Reaction of Social Systems2211.14114v2 · Quyu Kong, Pio Calderon, Rohit Ram et al.2022 · 14 citationsProceedings of the ACM Web Conference 2023 (WWW '23), May 1--5, 2023, Austin, TX, USA
Being Automated or Not? Risk Identification of Occupations with Graph Neural Networks2209.02182v1 · Dawei Xu, Haoran Yang, Marian-Andrei Rizoiu et al.2022 · 2 citationsarXiv
Generalizing Hate Speech Detection Using Multi-Task Learning: A Case Study of Political Public Figures2208.10598v2 · Lanqin Yuan, Marian-Andrei Rizoiu2022 · 15 citationsComputer Speech & Language 89 (2025) 101690
Opinion Market Model: Stemming Far-Right Opinion Spread using Positive Interventions2208.06620v3 · Pio Calderon, Rohit Ram, Marian-Andrei Rizoiu2022 · 2 citationsarXiv
Practical Guidelines for Ideology Detection Pipelines and Psychosocial Applications2208.04097v4 · Rohit Ram, Emma Thomas, David Kernot et al.2022 · 3 citationsProceedings of the International AAAI Conference on Web and Social Media (ICWSM'25), 19, 1630-1648, 2025
Linking Across Data Granularity: Fitting Multivariate Hawkes Processes to Partially Interval-Censored Data2111.02062v4 · Pio Calderon, Alexander Soen, Marian-Andrei Rizoiu2021 · 2 citationsarXiv
Conductance and Influence-Capital: Modeling Online Social Influence2110.12569v2 · Rohit Ram, Marian-Andrei Rizoiu2021 · 0 citationsarXiv
Slipping to the Extreme: A Mixed Method to Explain How Extreme Opinions Infiltrate Online Discussions2109.00302v3 · Quyu Kong, Emily Booth, Francesco Bailo et al.2021 · 16 citationsarXiv
Skill-driven recommendations for job transition pathways.34347821 · Dawson, Nikolas, Williams, Mary-Anne, Rizoiu, Marian-Andrei2021 · 28 citationsPloS one. 2021;16(8):e0254722
Evolution of diversity and dominance of companies in online activity.33909643 · McCarthy, Paul X, Gong, Xian, Eghbal, Sina et al.2021 · 9 citationsPloS one. 2021;16(4):e0249993
Interval-censored Hawkes processes2104.07932v4 · Marian-Andrei Rizoiu, Alexander Soen, Shidi Li et al.2021 · 6 citationsJournal of Machine Learning Research, 23(338):1-84, 2022. https://jmlr.org/papers/v23/21-0917.html
Using Hawkes Processes to model imported and local malaria cases in near-elimination settings.33793564 · Unwin, H Juliette T, Routledge, Isobel, Flaxman, Seth et al.2021 · 25 citationsPLoS computational biology. 2021;17(4):e1008830
Linking the Dynamics of User Stance to the Structure of Online Discussions2101.09852v2 · Christine Largeron, Andrei Mardale, Marian-Andrei Rizoiu2021 · 2 citationsIn Symposium on Intelligent Data Analysis (IDA'21), pp. 275-286. 2021
Birdspotter: A Tool for Analyzing and Labeling Twitter Users2012.02370v2 · Rohit Ram, Quyu Kong, Marian-Andrei Rizoiu2020 · 9 citationsIn Proceedings of the 14th ACM International Conference on Web Search and Data Mining (WSDM'21), pp. 918-921. New York, NY, USA: ACM. 2021
Predicting Relationship Labels and Individual Personality Traits from Telecommunication History in Social Networks using Hawkes Processes2009.02032v3 · Mateusz Nurek, Rados\law Michalski, Omar Lizardo et al.2020 · 3 citationsarXiv
Layoffs, Inequity and COVID-19: A Longitudinal Study of the Journalism Jobs Crisis in Australia from 2012 to 20202008.12459v2 · Nik Dawson, Sacha Molitorisz, Marian-Andrei Rizoiu et al.2020 · 32 citationsJournalism, p. 146488492199628. 2021
Career total: 166 works. 79 are in this corpus.Showing the 50 most recent.
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