collaborators

9 papers

cs.LG2026

Flexi-LoRA with Input-Adaptive Ranks: Efficient Finetuning for Speech and Reasoning Tasks

Zongqian Li, Yixuan Su, Han Zhou +2

Parameter-efficient fine-tuning methods like Low-Rank Adaptation (LoRA) have become essential for deploying large language models, yet their static parameter allocation remains sub…

cs.CR2026

Privacy-R1: Privacy-Aware Multi-LLM Agent Collaboration via Reinforcement Learning

Zheng Hui, Yijiang River Dong, Sanhanat Sivapiromrat +2

When users submit queries to Large Language Models (LLMs), their prompts can often contain sensitive data, forcing a difficult choice: Send the query to a powerful proprietary LLM…

cs.CL2026

Scaling Data Difficulty: Improving Coding Models via Reinforcement Learning on Fresh and Challenging Problems

Zongqian Li, Tengchao Lv, Shaohan Huang +8

Training next-generation code generation models requires high-quality datasets, yet existing datasets face difficulty imbalance, format inconsistency, and data quality problems. We…

cs.LG2026

Breaking Training Bottlenecks: Effective and Stable Reinforcement Learning for Coding Models

Zongqian Li, Shaohan Huang, Zewen Chi +5

Modern code generation models exhibit longer outputs, accelerated capability growth, and changed training dynamics, rendering traditional training methodologies, algorithms, and da…

cs.CL2025

TRIDENT: Benchmarking LLM Safety in Finance, Medicine, and Law

Zheng Hui, Yijiang River Dong, Ehsan Shareghi +1

As large language models (LLMs) are increasingly deployed in high-risk domains such as law, finance, and medicine, systematically evaluating their domain-specific safety and compli…

cs.CL2025

A Survey on Prompt Tuning

Zongqian Li, Yixuan Su, Nigel Collier

This survey reviews prompt tuning, a parameter-efficient approach for adapting language models by prepending trainable continuous vectors while keeping the model frozen. We classif…