Hejia Zhang

Researcher, Facebook

Joined

September 2023

Names

Hejia Zhang (Preferred)

Emails

****@gmail.com (Confirmed)

****@meta.com (Confirmed)

Personal Links

Homepage

Google Scholar

Career & Education History

Researcher

Facebook (meta.com)

2020 – Present

PhD student

Princeton University (princeton.edu)

2014 – 2020

Undergrad student

Rice University (rice.edu)

2010 – 2014

Advisors, Relations & Conflicts

No relations added

Expertise

No areas of expertise listed

Publications

Dual-Weighted Reinforcement Learning for Generative Preference Modeling
Shengyu Feng, Yun He, Shuang Ma, Beibin Li, Yuanhao Xiong, Songlin Li, Karishma Mandyam, Julian Katz-Samuels, Shengjie Bi, Licheng Yu, Hejia Zhang, Karthik Abinav Sankararaman, Han Fang, Riham Mansour, Yiming Yang, Manaal Faruqui
- CoRR 2025
- Readers: Everyone
Improving Model Factuality with Fine-grained Critique-based Evaluator
Yiqing Xie, Wenxuan Zhou, Pradyot Prakash, Di Jin, Yuning Mao, Quintin Fettes, Arya Talebzadeh, Sinong Wang, Han Fang, Carolyn P. Rosé, Daniel Fried, Hejia Zhang
- ACL (1) 2025
- Readers: Everyone
The Perfect Blend: Redefining RLHF with Mixture of Judges
Tengyu Xu, Eryk Helenowski, Karthik Abinav Sankararaman, Di Jin, Kaiyan Peng, Eric Han, Shaoliang Nie, Chen Zhu, Hejia Zhang, Wenxuan Zhou, Zhouhao Zeng, Yun He, Karishma Mandyam, Arya Talebzadeh, Madian Khabsa, Gabriel Cohen, Sinong Wang, Yuandong Tian, Hao Ma, Han Fang
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone
Effective Long-Context Scaling of Foundation Models
Jingyu Liu, Wenhan Xiong, Igor Molybog, Hejia Zhang, Prajjwal Bhargava, Rui Hou, Louis Martin, Rashi Rungta, Karthik Abinav Sankararaman, Barlas Oguz, Madian Khabsa, Han Fang, Yashar Mehdad, Sharan Narang, Kshitiz Malik, Angela Fan, Shruti Bhosale, Sergey Edunov, Mike Lewis, Sinong Wang et al. (1 additional authors not shown)
- NAACL 2024
- Readers: Everyone
Effective Long-Context Scaling of Foundation Models
Wenhan Xiong, Jingyu Liu, Igor Molybog, Hejia Zhang, Prajjwal Bhargava, Rui Hou, Louis Martin, Rashi Rungta, Karthik Abinav Sankararaman, Barlas Oguz, Madian Khabsa, Han Fang, Yashar Mehdad, Sharan Narang, Kshitiz Malik, Angela Fan, Shruti Bhosale, Sergey Edunov, Mike Lewis, Sinong Wang et al. (1 additional authors not shown)
- NAACL-HLT 2024
- Readers: Everyone
The Perfect Blend: Redefining RLHF with Mixture of Judges
Tengyu Xu, Eryk Helenowski, Karthik Abinav Sankararaman, Di Jin, Kaiyan Peng, Eric Han, Shaoliang Nie, Chen Zhu, Hejia Zhang, Wenxuan Zhou, Zhouhao Zeng, Yun He, Karishma Mandyam, Arya Talabzadeh, Madian Khabsa, Gabriel Cohen, Yuandong Tian, Hao Ma, Sinong Wang, Han Fang
- CoRR 2024
- Readers: Everyone
Multi-IF: Benchmarking LLMs on Multi-Turn and Multilingual Instructions Following
Yun He, Di Jin, Chaoqi Wang, Chloe Bi, Karishma Mandyam, Hejia Zhang, Chen Zhu, Ning Li, Tengyu Xu, Hongjiang Lv, Shruti Bhosale, Chenguang Zhu, Karthik Abinav Sankararaman, Eryk Helenowski, Melanie Kambadur, Aditya Tayade, Hao Ma, Han Fang, Sinong Wang
- CoRR 2024
- Readers: Everyone
Incorporating structured assumptions with probabilistic graphical models in fMRI data analysis
Ming Bo Cai, Michael Shvartsman, Anqi Wu, Hejia Zhang, Xia Zhu
- 2020 (modified: 05 Jan 2026)
- CoRR 2020
- Readers: Everyone

View all 18 publications

Co-Authors

View all 88 co-authors