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ONLINE & AI-RELATED HARMS

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  • Y. Zhou, P. Kumar, A. Squicciarini, S. Rajtmajer. Losing One’s Story: How Vulnerable Users Experience Harm in Online Support Seeking. ACM International Conference on Supporting Group Work (GROUP), January 2027.

  • J. Li, S. Menon, B. Frischmann, S. Wilson, S. Rajtmajer. Affective Context Amplifies Sycophancy in LLM Responses. Empirical Methods in Natural Language Processing (EMNLP), November 2026.

  • X. Wang, S. Koneru, W. Zhang, W. Zheng, S. Ranjan, S. Rajtmajer. Many Ways to Be Fake: Benchmarking Fake News Detection Under Strategy-Driven AI Generation. Conference on Language Modeling (COLM), October 2026.

  • T. Kim, X. Wang, S. Rajtmajer, J. Harden, F. Boehmke, B. Desmarais. Elected officials’ online anti-vaccination statements respond to online engagement. Vaccine 88:128901, July 2026.

  • P. Venkit, J. Li, Y. Zhou, S. Rajtmajer, S. Wilson. A Tale of Two Identities: An Ethical Audit of AI-Crafted Synthetic Personas. The 40th Annual AAAI Conference on Artificial Intelligence (AAAI-26), January 2026.

  • Y. Zhou, E. Chen, M. Pisipati, A. Xiong, S. Rajtmajer. Effect of AI Performance, Risk Perception, and Trust on Human Dependence in Deepfake Detection AI System. ACM Conference on Computer-Supported Cooperative Work and Social Computing (CSCW), October 2025.

  • X. Wang, S. Koneru, P. Narayanan Venkit, B. Frischmann, S. Rajtmajer. The unappreciated role of intent in algorithmic moderation of abusive content on social media. Harvard Kennedy School Misinformation Review, July 2025. 

  • X. Wang, W. Zhang, S. Koneru, H. Guo, B. Mingole, S. Sundar, S. Rajtmaer, A. Yadav. The Reopening of Pandora’s Box: Analyzing the Role of LLMs in the Evolving Battle Against AI-Generated Fake News. The Annual Conference of the Nations of the Americas Chapter of the Association for Computational Linguistics (NAACL), April 2025. 

  • P. Venkit, T. Chakravorti, V. Gupta, H. Biggs, M. Srinath, K. Gouswami, S. Rajtmajer, S. Wilson. An Audit on the Perspectives and Challenges of Hallucinations in NLP. ACL Conference on Empirical Methods in Natural Language Processing (EMNLP), November 2024. 

  • X. Wang, J. Li, S. Rajtmajer. Inside the echo chamber: Linguistic underpinnings of misinformation on Twitter. ACM Conference on Web Science (WebSci), May 2024.

  • M. Merhi, D. Lee, S. Rajtmajer. Information Operations in Turkey: Manufacturing Resilience with Free Twitter Accounts. AAAI Conference on Web and Social Media (ICWSM), June 2023.

  • X. Wang, J. Li, E. Srivatsavaya, S. Rajtmajer. Evidence of inter-state coordination amongst state-backed information operations. Scientific reports, 13(1), 7716, May 2023..

  • X. Wang, M. Wu, S. Rajtmajer. From Yellow Peril to Model Minority: Asian stereotypes in social media during the COVID-19 pandemic. ACM Conference on Web Science (WebSci), April 2023.

  • S. Rajtmajer and D. Susser. Automated Influence and the Challenge of Cognitive Security. ACM Symposium on the Science of Security (HoTSoS), February 2020.

  • C. Qiu, A. Squicciarini, S. Rajtmajer. Rating Mechanisms for Sustainability of Crowdsourcing Platforms. ACM Conference on Information and Knowledge Management (CIKM), November 2019.

  • C. Qiu, A. Squicciarini, S. Rajtmajer and J. Caverlee. Dynamic Contract Design for Heterogeneous Workers in Crowdsourcing for Quality Control. International Conference on Digital Society (IEEE ICDS), July 2017.

  • A. Squicciarini, S. Rajtmajer and C. Griffin. Positive and Negative Behavioral Analysis in Social Networks. WIRE Data Mining and Knowledge Discovery, May 2017.

  • H. Zhong, H. Li, A. Squicciarini, S. Rajtmajer, C. Griffin, D. Miller and C. Caragea. Content- Driven Detection of Cyberbullying on the Instagram Social Network. International Conference on Artificial Intelligence (IJCAI), July 2016.

  • C. Liao, A. Squicciarini, C. Griffin and S. Rajtmajer. A Hybrid Epidemic Model for Deindividuation and Antinormative Behavior in Online Social Networks. Social Network Analysis and Mining (SNAM), January 2016.

  • C. Liao, A. Squicciarini, C. Griffin and S. Rajtmajer. A Hybrid Epidemic Model for the Spread of Abusive Content in Online Social Sites. In Proc. 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), August 2015. 

  • A. Squicciarini, S. Rajtmajer, Y. Liu and C. Griffin. Identification and Characterization of Cyberbullying Dynamics in an Online Social Network. In Proc. 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), August 2015. 

  • S. Rajtmajer, C. Griffin, D. Mikesell and A. Squicciarini. An Evolutionary Game Model for the Spread of Non-Cooperative Behavior in Online Social Networks. In Proc. 30th ACM Symposium on Applied Computing, April 2015.

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