Publications

1. Unsupervised Style Representation Learning for AI-Text Detection via Paraphrase Inversion

   Rafael A. Rivera Soto, Barry Y. Chen, Nicholas Andrews

   preprint, 2026

   arXiv

2. Attacks on Machine-Text Detectors Retain Stylistic Fingerprints

   Rafael A. Rivera Soto, Barry Y. Chen, Nicholas Andrews

   ICML 2026

   arXiv

3. A Survey on Representing Linguistic Style: Challenges and Opportunities

   Anna Wegmann, Cristina Aggazzotti, Rafael Rivera Soto, Dong Nguyen

   preprint, 2026

   PDF

4. Mitigating Paraphrase Attacks on Machine-Text Detection via Paraphrase Inversion

   Rafael A. Rivera Soto, Barry Y. Chen, Nicholas Andrews

   ACL Findings, 2025

   arXiv

5. Few-Shot Detection of Machine-Generated Text using Style Representations

   Rafael A. Rivera Soto, Kailin Koch, Aleem Khan, Barry Y. Chen, Marcus Bishop, Nicholas Andrews

   ICLR, 2024

   arXiv Code Demo

6. Can Authorship Representation Learning Capture Stylistic Features?

   Andrew Wang, Cristina Aggazzotti, Rebecca Kotula, Rafael A. Rivera Soto, Marcus Bishop, Nicholas Andrews

   TACL, 2023

   arXiv

7. Learning Universal Authorship Representations

   Rafael A. Rivera Soto, Olivia Elizabeth Miano, Juanita Ordonez, Barry Y. Chen, Aleem Khan, Marcus Bishop, Nicholas Andrews

   EMNLP, 2021

   PDF Code

8. YolactEdge: Real-time Instance Segmentation on the Edge

   Haotian Liu, Rafael A. Rivera Soto, Fanyi Xiao, Yong Jae Lee

   ICRA, 2021

   arXiv Code

9. Will Longformers PAN Out for Authorship Verification?

   Juanita Ordonez, Rafael A. Rivera Soto, Barry Y. Chen

   CLEF, 2020

   PDF