Lester James Validad Miranda

PhD student, University of Cambridge

Joined

July 2023

Names

Lester James Validad Miranda (Preferred)

Emails

****@gmail.com (Confirmed)

****@allenai.org (Confirmed)

****@cam.ac.uk (Confirmed)

Personal Links

Career & Education History

PhD student

University of Cambridge (cam.ac.uk)

2025 – Present

Researcher

Allen Institute for Artificial Intelligence (allenai.org)

2023 – 2025

Advisors, Relations & Conflicts

PhD Advisor

Anna Korhonen

2025 – Present

Coworker

Pradeep Dasigi

2023 – 2025

Coworker

Hannaneh Hajishirzi

2023 – 2025

Expertise

large language models

2024 – Present

multilingual NLP

2023 – Present

data-centric AI

2023 – Present

Publications

R3: Robust Rubric-Agnostic Reward Models
David Anugraha, Zilu Tang, Lester James Validad Miranda, Hanyang Zhao, Shou-Yi Hung, Mohammad Rifqi Farhansyah, Garry Kuwanto, Derry Tanti Wijaya, Genta Indra Winata
- NeurIPS 2025 LLM Evaluation Workshop Poster
- Readers: Everyone
2 OLMo 2 Furious (COLM’s Version)
Evan Pete Walsh, Luca Soldaini, Dirk Groeneveld, Kyle Lo, Shane Arora, Akshita Bhagia, Yuling Gu, Shengyi Huang, Matt Jordan, Nathan Lambert, Dustin Schwenk, Oyvind Tafjord, Taira Anderson, David Atkinson, Faeze Brahman, Christopher Clark, Pradeep Dasigi, Nouha Dziri, Allyson Ettinger, Michal Guerquin et al. (22 additional authors not shown)
- COLM 2025
- Readers: Everyone
Tulu 3: Pushing Frontiers in Open Language Model Post-Training
Nathan Lambert, Jacob Morrison, Valentina Pyatkin, Shengyi Huang, Hamish Ivison, Faeze Brahman, Lester James Validad Miranda, Alisa Liu, Nouha Dziri, Xinxi Lyu, Yuling Gu, Saumya Malik, Victoria Graf, Jena D. Hwang, Jiangjiang Yang, Ronan Le Bras, Oyvind Tafjord, Christopher Wilhelm, Luca Soldaini, Noah A. Smith et al. (3 additional authors not shown)
- COLM 2025
- Readers: Everyone
MMTEB: Massive Multilingual Text Embedding Benchmark
Kenneth Enevoldsen, Isaac Chung, Imene Kerboua, Márton Kardos, Ashwin Mathur, David Stap, Jay Gala, Wissam Siblini, Dominik Krzemiński, Genta Indra Winata, Saba Sturua, Saiteja Utpala, Mathieu Ciancone, Marion Schaeffer, Diganta Misra, Shreeya Dhakal, Jonathan Rystrøm, Roman Solomatin, Ömer Veysel Çağatan, Akash Kundu et al. (62 additional authors not shown)
- ICLR 2025 Poster
- Readers: Everyone
Bridging the Data Provenance Gap Across Text, Speech, and Video
Shayne Longpre, Nikhil Singh, Manuel Cherep, Kushagra Tiwary, Joanna Materzynska, William Brannon, Robert Mahari, Naana Obeng-Marnu, Manan Dey, Mohammed Hamdy, Nayan Saxena, Ahmad Mustafa Anis, Emad A. Alghamdi, Vu Minh Chien, Da Yin, Kun Qian, Yizhi LI, Minnie Liang, An Dinh, Shrestha Mohanty et al. (23 additional authors not shown)
- ICLR 2025 Poster
- Readers: Everyone
Hybrid Preferences: Learning to Route Instances for Human vs. AI Feedback
Lester James Validad Miranda, Yizhong Wang, Yanai Elazar, Sachin Kumar, Valentina Pyatkin, Faeze Brahman, Noah A. Smith, Hannaneh Hajishirzi, Pradeep Dasigi
- Submitted to ICLR 2025
- Readers: Everyone
Consent in Crisis: The Rapid Decline of the AI Data Commons
Shayne Longpre, Robert Mahari, Ariel N. Lee, Campbell S. Lund, Hamidah Oderinwale, William Brannon, Nayan Saxena, Naana Obeng-Marnu, Tobin South, Cole J Hunter, Kevin Klyman, Christopher Klamm, Hailey Schoelkopf, Nikhil Singh, Manuel Cherep, Ahmad Mustafa Anis, An Dinh, Caroline Shamiso Chitongo, Da Yin, Damien Sileo et al. (29 additional authors not shown)
- NeurIPS 2024 Track Datasets and Benchmarks Poster
- Readers: Everyone
RewardBench: Evaluating Reward Models for Language Modeling
Nathan Lambert, Valentina Pyatkin, Jacob Morrison, Lester James Validad Miranda, Bill Yuchen Lin, Khyathi Chandu, Nouha Dziri, Sachin Kumar, Tom Zick, Yejin Choi, Noah A. Smith, Hannaneh Hajishirzi
- Submitted to NeurIPS 2024 Track Datasets and Benchmarks
- Readers: Everyone
calamanCy: A Tagalog Natural Language Processing Toolkit
Lester James Validad Miranda
- NLP-OSS 2023
- Readers: Everyone

Co-Authors

View all 185 co-authors