Publications and Contributions

• preprint
  Grok in the Wild: Characterizing the Roles and Uses of Large Language Models on Social Media (2026)

  Authors: Katelyn X. Mei, Robert Wolfe, Nicholas Weber, Martin Saveski
• Magazine/Trade Publication
  What are AI Hallucinations? Why AIs Sometimes Make Things Up (2025)

  The Conversation Authors: Anna Choi, Katelyn X. Mei
• Conference Paper
  Bias Against 93 Stigmatized Groups in Masked Language Models and Downstream Sentiment Classification Tasks (2023)

  The 2023 ACM Conference on Fairness, Accountability, and Transparency (ACM FAccT) Authors: Katelyn X. Mei, Sonia Fereidooni, Aylin Caliskan