activity
20242026
collaborators

11 papers

cs.LG2026

Reinforcement Learning without Ground-Truth Solutions can Improve LLMs

Yingyu Lin, Qiyue Gao, Nikki Lijing Kuang +6

Reinforcement learning with verifiable rewards (RLVR) for training LLMs typically rely on ground-truth answers to assign rewards, limiting their applicability to tasks where the gr…

cs.CL2026

Training a Large Language Model for Medical Coding Using Privacy-Preserving Synthetic Clinical Data

John Cook, Michael Wyatt, Peng Wei +11

Improving the accuracy and reliability of medical coding reduces clinician burnout and supports revenue cycle processes, freeing providers to focus more on patient care. However, a…

cs.AI2026

DARE-bench: Evaluating Modeling and Instruction Fidelity of LLMs in Data Science

Fan Shu, Yite Wang, Ruofan Wu +4

The fast-growing demands in using Large Language Models (LLMs) to tackle complex multi-step data science tasks create an emergent need for accurate benchmarking. There are two majo…

cs.LG2025

Arctic Long Sequence Training: Scalable And Efficient Training For Multi-Million Token Sequences

Stas Bekman, Samyam Rajbhandari, Michael Wyatt +5

Long sequences are critical for applications like RAG, long document summarization, multi-modality, etc., and modern LLMs, like Llama 4 Scout, support max sequence length of up to…

cs.CL2025

MedOrch: Medical Diagnosis with Tool-Augmented Reasoning Agents for Flexible Extensibility

Yexiao He, Ang Li, Boyi Liu +2

Healthcare decision-making represents one of the most challenging domains for Artificial Intelligence (AI), requiring the integration of diverse knowledge sources, complex reasonin…

cs.CL2025

ComposeRAG: A Modular and Composable RAG for Corpus-Grounded Multi-Hop Question Answering

Ruofan Wu, Youngwon Lee, Fan Shu +5

Retrieval-Augmented Generation (RAG) systems are increasingly diverse, yet many suffer from monolithic designs that tightly couple core functions like query reformulation, retrieva…