activity
20232026
most citedUltraMedical: Building Specialized Generalists in Biomedicine

6 citations · 15 across the 19 of their papers we have counts for

collaborators

20 papers

cs.CL2026

Improving Test-Time Scaling with Adaptive Looped Transformers

Yichen You, Tianyu Fu, Aosong Feng +4

Looped transformers have demonstrated promising parameter efficiency by reusing layers for latent computation. Prior studies compare looped and non-looped models at matched paramet…

cs.CL2026

Frontis-MA1: Training an AI4AI Model towards Recursive Self-Improvement in Machine Learning Engineering

Junlin Yang, Che Jiang, Yu Fu +21

Recursive self-improvement (RSI) requires AI systems that improve the process of building AI (i.e., AI4AI); machine learning engineering (MLE) offers a concrete, executable testbed…

cs.LG2026

Post-Trained MoE Can Skip Half Experts via Self-Distillation

Xingtai Lv, Li Sheng, Kaiyan Zhang +12

Mixture-of-Experts (MoE) scales language models efficiently through sparse expert activation, and its dynamic variant further reduces computation by adjusting the activated experts…

cs.LG2026

How Far Can Unsupervised RLVR Scale LLM Training?

Bingxiang He, Yuxin Zuo, Zeyuan Liu +18

Unsupervised reinforcement learning with verifiable rewards (URLVR) offers a pathway to scale LLM training beyond the supervision bottleneck by deriving rewards without ground trut…

cs.CL2025★ 2 cited

A Survey of Reinforcement Learning for Large Reasoning Models

Kaiyan Zhang, Yuxin Zuo, Bingxiang He +36

In this paper, we survey recent advances in Reinforcement Learning (RL) for reasoning with Large Language Models (LLMs). RL has achieved remarkable success in advancing the frontie…

cs.LG2025

FlowRL: Matching Reward Distributions for LLM Reasoning

Xuekai Zhu, Daixuan Cheng, Dinghuai Zhang +20

We propose FlowRL: matching the full reward distribution via flow balancing instead of maximizing rewards in large language model (LLM) reinforcement learning (RL). Recent advanced…

cs.LG2025

Towards a Unified View of Large Language Model Post-Training

Xingtai Lv, Yuxin Zuo, Youbang Sun +8

Two major sources of training data exist for post-training modern language models: online (model-generated rollouts) data, and offline (human or other-model demonstrations) data. T…

cs.AI2025

Automating Exploratory Multiomics Research via Language Models

Shang Qu, Ning Ding, Linhai Xie +13

This paper introduces PROTEUS, a fully automated system that produces data-driven hypotheses from raw data files. We apply PROTEUS to clinical proteogenomics, a field where effecti…

cs.LG2025

Technologies on Effectiveness and Efficiency: A Survey of State Spaces Models

Xingtai Lv, Youbang Sun, Kaiyan Zhang +8

State Space Models (SSMs) have emerged as a promising alternative to the popular transformer-based models and have been increasingly gaining attention. Compared to transformers, SS…

cs.LG2025★ 2 cited

Process Reinforcement through Implicit Rewards

Ganqu Cui, Lifan Yuan, Zefan Wang +22

Dense process rewards have proven a more effective alternative to the sparse outcome-level rewards in the inference-time scaling of large language models (LLMs), particularly in ta…

cs.AI2024★ 1 cited

Fourier Position Embedding: Enhancing Attention's Periodic Extension for Length Generalization

Ermo Hua, Che Jiang, Xingtai Lv +7

Extending the context length of Language Models (LMs) by improving Rotary Position Embedding (RoPE) has become a trend. While prior works mainly address RoPE's limitations within a…

cs.CL2024

How to Synthesize Text Data without Model Collapse?

Xuekai Zhu, Daixuan Cheng, Hengli Li +7

Model collapse in synthetic data indicates that iterative training on self-generated data leads to a gradual decline in performance. With the proliferation of AI models, synthetic…

cs.AI2024

Automating Exploratory Proteomics Research via Language Models

Ning Ding, Shang Qu, Linhai Xie +13

With the development of artificial intelligence, its contribution to science is evolving from simulating a complex problem to automating entire research processes and producing nov…

cs.CL2024

Scalable Efficient Training of Large Language Models with Low-dimensional Projected Attention

Xingtai Lv, Ning Ding, Kaiyan Zhang +3

Improving the effectiveness and efficiency of large language models (LLMs) simultaneously is a critical yet challenging research goal. In this paper, we find that low-rank pre-trai…

cs.CL2024★ 2 cited

Fast and Slow Generating: An Empirical Study on Large and Small Language Models Collaborative Decoding

Kaiyan Zhang, Jianyu Wang, Ning Ding +4

Large Language Models (LLMs) exhibit impressive capabilities across various applications but encounter substantial challenges such as high inference latency, considerable training…

cs.CL2024★ 6 cited

UltraMedical: Building Specialized Generalists in Biomedicine

Kaiyan Zhang, Sihang Zeng, Ermo Hua +11

Large Language Models (LLMs) have demonstrated remarkable capabilities across various domains and are moving towards more specialized areas. Recent advanced proprietary models such…

cs.CL2024

Intuitive Fine-Tuning: Towards Simplifying Alignment into a Single Process

Ermo Hua, Biqing Qi, Kaiyan Zhang +4

Supervised Fine-Tuning (SFT) and Preference Optimization (PO) are key processes for aligning Language Models (LMs) with human preferences post pre-training. While SFT excels in eff…

cs.CL2024

Mastering Text, Code and Math Simultaneously via Fusing Highly Specialized Language Models

Ning Ding, Yulin Chen, Ganqu Cui +6

Underlying data distributions of natural language, programming code, and mathematical symbols vary vastly, presenting a complex challenge for large language models (LLMs) that stri…

cs.CL2023★ 1 cited

Sparse Low-rank Adaptation of Pre-trained Language Models

Ning Ding, Xingtai Lv, Qiaosen Wang +4

Fine-tuning pre-trained large language models in a parameter-efficient manner is widely studied for its effectiveness and efficiency. The popular method of low-rank adaptation (LoR…

cs.LG2023★ 1 cited

OpenDelta: A Plug-and-play Library for Parameter-efficient Adaptation of Pre-trained Models

Shengding Hu, Ning Ding, Weilin Zhao +4

The scale of large pre-trained models (PTMs) poses significant challenges in adapting to downstream tasks due to the high optimization overhead and storage costs associated with fu…