WC

Wei Chen

MIT Laboratory for Artificial Intelligence

Biography

Associate Professor specializing in NLP and large language models. PhD from Carnegie Mellon 2015. 90+ publications, 12,000+ citations.

Publications (3)

Transformer Architecture Scaling Laws for Scientific Text Classification

Journal of Artificial Intelligence Research - Volume 13, Issue 1 — January 2024 (2024) - Research Article
Author Corresponding Author
We investigate scaling laws for transformer-based language models applied to scientific literature classification. Our experiments across 12 benchmark datasets demonstrate that model performance scales predictably with parameter count and training…
Research Article DOI Open Access Peer Reviewed

Reinforcement Learning from Human Feedback: A Systematic Review

Journal of Artificial Intelligence Research - Volume 12, Issue 4 — October 2023 (Special: LLMs) (2023) - Review Article
Author
This systematic review examines 147 studies on reinforcement learning from human feedback (RLHF) published between 2017 and 2024. We identify key methodological trends, open challenges in reward modeling, and propose…
Review Article DOI Open Access Peer Reviewed

Emergent Reasoning in Large Language Models: A Case Study on STEM Problem Solving

Journal of Artificial Intelligence Research - Volume 13, Issue 1 — January 2024 (2024) - Case Study
Author
We present a detailed case study examining emergent reasoning capabilities in GPT-4 class models on multi-step STEM problems. Using a novel evaluation framework comprising 2,400 problems across physics, chemistry, and…
Case Study DOI Open Access Peer Reviewed

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Contact Information

Affiliation:
MIT Laboratory for Artificial Intelligence