collaborators

7 papers

cs.AI2026

Apodex Discovery: Reality Benchmarks and Environments for Evaluating and Building Discoverative Artificial Intelligence

Brian Wang, Bin Feng, Xiaoman Pan +26

Apollo did not reach the Moon merely because its engineers could solve difficult equations. It succeeded by turning a distant ambition into a mission architecture of explicit objec…

cs.AI2026

Adaptation of Agentic AI: A Survey of Post-Training, Memory, and Skills

Pengcheng Jiang, Jiacheng Lin, Zhiyi Shi +31

Large language model (LLM) agents are moving beyond prompting alone. ChatGPT marked the rise of general-purpose LLM assistants, DeepSeek showed that on-policy reinforcement learnin…

cs.AI2025

Developing Large Language Models for Clinical Research Using One Million Clinical Trials

Zifeng Wang, Jiacheng Lin, Qiao Jin +5

Developing artificial intelligence (AI) for clinical research requires a comprehensive data foundation that supports model training and rigorous evaluation. Here, we introduce Tria…

cs.AI2025

s3: You Don't Need That Much Data to Train a Search Agent via RL

Pengcheng Jiang, Xueqiang Xu, Jiacheng Lin +4

Retrieval-augmented generation (RAG) systems empower large language models (LLMs) to access external knowledge during inference. Recent advances have enabled LLMs to act as search…

cs.CL2025

Training LLMs for EHR-Based Reasoning Tasks via Reinforcement Learning

Jiacheng Lin, Zhenbang Wu, Jimeng Sun

We present EHRMIND, a practical recipe for adapting large language models (LLMs) to complex clinical reasoning tasks using reinforcement learning with verifiable rewards (RLVR). Wh…

cs.IR2025

DeepRetrieval: Hacking Real Search Engines and Retrievers with Large Language Models via Reinforcement Learning

Pengcheng Jiang, Jiacheng Lin, Lang Cao +5

Information retrieval systems are crucial for enabling effective access to large document collections. Recent approaches have leveraged Large Language Models (LLMs) to enhance retr…