Papers

Please see my academic CV for more details.

* indicates equal contribution.

2024

• Emergence of simple and complex contagion dynamics from weighted belief networks.
  Rachith Aiyappa, Alessandro Flammini, Yong-Yeol Ahn
  Science Advances

• Identifying and characterizing superspreaders of low-credibility content on Twitter.
  Matthew R. DeVerna, Rachith Aiyappa, Diogo Pacheco, John Bryden, Filippo Menczer
  Plos One

• Implicit degree bias in the link prediction task.
  Rachith Aiyappa, Xin Wang, Munjung Kim, Özgür Can Seçkin, Jisung Yoon, Yong-Yeol Ahn, Sadamori Kojaku

• Neural embedding of beliefs reveals the role of relative dissonance in human decision-making
  Bwung-Hwee Lee, Rachith Aiyappa, Yong-Yeol Ahn, Jisun An, and Haewoon Kwak

• Benchmarking zero-shot stance detection with FlanT5-XXL: Insights from training data, prompting, and decoding strategies into its near-SoTA performance
  Rachith Aiyappa, Shruthi Senthilmani, Jisun An, Haewoon Kwak, Yong-Yeol Ahn

2023

• A multi-platform collection of social media posts about the 2022 U.S. midterm elections.
  Rachith Aiyappa,* Matthew R DeVerna,* Manita Pote,* Bao Tran Truong,* Wanying Zhao,* David Axelrod, Aria Pessianzadeh, Zoher Kachwala, Munjung Kim, Özgür Can Seçkin, Minsuk Kim, Sunny Gandhi, Amrutha Manikonda, Francesco Pierri, Filippo Menczer, Kai-Cheng Yang
  Proceedings of the Seventeenth International AAAI Conference on Web and Social Media

• Can we trust the evaluation on ChatGPT?
  Rachith Aiyappa, Jisun An, Haewoon Kwak, Yong-Yeol Ahn
  ACL TrustNLP workshop

• The Inexplicable Efficacy of Language Models
  Rachith Aiyappa,* Zoher Kachwala*
  ACM XRDS

• The Spread of Beliefs in Partially Modularized Communities
  Robert L. Goldstone, Marina Dubova, Rachith Aiyappa, Andrew Edinger
  Perspectives on Psychological Science

Under preparation

• Extracting Belief Networks from Social Media Data using Large Language Models.
  with Jisun An, Haewoon Kwak, Alessandro Flaminni, Filippo Menczer, and Yong-Yeol Ahn
• Large Language Models and Social Surveys
  with Junsol Kim, Marios Papachristou, Yong-Yeol Ahn, and Byungkyu Lee
• Belief Embeddings
  with Bwung-Hwee Lee, Jisun An, Haewoon Kwak, and Yong-Yeol Ahn
• Evaluation biases in link prediction algorithm.
  with Sadamori Kojaku, Munjung Kim, Özgür Can Seçkin, and Yong-Yeol Ahn
• Amplifiers of Misinformation on Social Media.
  with Matthew R DeVerna, Francesco Pierri, Diogo Pacheco, John Bryden, and Filippo Menczer
• Multi-Platform Analysis of US 2020 midterm elections.
  with Bao Tran Truong, Özgür Can Seçkin, Sangyeon Kim, Matthew R DeVerna, and Kai-Cheng Yang