Miguel Ballesteros

AI Architect, Oracle

Joined

July 2019

Names

Miguel Ballesteros

Emails

****@gmail.com (Confirmed)

****@amazon.com (Confirmed)

****@oracle.com (Confirmed)

Personal Links

Career & Education History

AI Architect

Oracle (oracle.com)

2025 – Present

Principal Applied Scientist

Amazon (amazon.com)

2019 – 2024

Researcher

International Business Machines (ibm.com)

2016 – 2019

Assistant Professor

Universitat Pompeu Fabra (upf.edu)

2013 – 2016

Postdoc

Carnegie Mellon University (cmu.edu)

2015 – 2015

Advisors, Relations & Conflicts

No relations added

Expertise

Natural Language Processing

Present

Publications

Tree-based Dialogue Reinforced Policy Optimization for Red-Teaming Attacks
Ruohao Guo, Afshin Oroojlooy, Roshan Sridhar, Miguel Ballesteros, Alan Ritter, Dan Roth
- ICLR 2026 Poster
- Readers: Everyone
Detecting Training Data of Large Language Models via Expectation Maximization
Gyuwan Kim, Yang Li, Evangelia Spiliopoulou, Jie Ma, Miguel Ballesteros, William Yang Wang
- NeurIPS 2025 LLM Evaluation Workshop Oral
- Readers: Everyone
Active Evaluation Acquisition for Efficient LLM Benchmarking
Yang Li, Jie Ma, Miguel Ballesteros, Yassine Benajiba, Graham Horwood
- ICML 2025 poster
- Readers: Everyone
Detecting Training Data of Large Language Models via Expectation Maximization
Gyuwan Kim, Yang Li, Evangelia Spiliopoulou, Jie Ma, Miguel Ballesteros, William Yang Wang
- Submitted to ICLR 2025
- Readers: Everyone
Active Evaluation Acquisition for Efficient LLM Benchmarking
Yang Li, Jie Ma, Miguel Ballesteros, Yassine Benajiba, Graham Horwood
- Submitted to ICLR 2025
- Readers: Everyone
Unraveling and Mitigating Safety Alignment Degradation of Vision-Language Models
Qin Liu, Chao Shang, Ling Liu, Nikolaos Pappas, Jie Ma, Neha Anna John, Srikanth Doss, Lluis Marquez, Miguel Ballesteros, Yassine Benajiba
- Submitted to ICLR 2025
- Readers: Everyone
Taxonomy Expansion for Named Entity Recognition
Karthikeyan K, Yogarshi Vyas, Jie Ma, Giovanni Paolini, Neha Anna John, Shuai Wang, Yassine Benajiba, Vittorio Castelli, Dan Roth, Miguel Ballesteros
- EMNLP 2023 Main
- Readers: Everyone
Comparing Biases and the Impact of Multilingual Training across Multiple Languages
Sharon Levy, Neha Anna John, Ling Liu, Yogarshi Vyas, Jie Ma, Yoshinari Fujinuma, Miguel Ballesteros, Vittorio Castelli, Dan Roth
- EMNLP 2023 Main
- Readers: Everyone
Resource-Enhanced Neural Model for Event Argument Extraction
Jie Ma, Shuai Wang, RISHITA ANUBHAI, Miguel Ballesteros, Yaser Al-Onaizan
- 17 Oct 2021
- OpenReview Archive Direct Upload
- Readers: Everyone
Sequential Cross-Document Coreference Resolution
Emily Allaway, Shuai Wang, Miguel Ballesteros
- 17 Oct 2021
- OpenReview Archive Direct Upload
- Readers: Everyone

View all 26 publications

Co-Authors

View all 55 co-authors