collaborators

5 papers

cs.CL2026

Verifiable Environments Are LEGO Bricks: Recursive Composition for Reasoning Generalization

Hao Xiang, Qiaoyu Tang, Le Yu +8

Reinforcement Learning (RL) with verifiable environments has emerged as a powerful approach for enhancing the reasoning capabilities of Large Language Models (LLMs). While prior re…

cs.CL2025

RMTBench: Benchmarking LLMs Through Multi-Turn User-Centric Role-Playing

Hao Xiang, Tianyi Tang, Yang Su +10

Recent advancements in Large Language Models (LLMs) have shown outstanding potential for role-playing applications. Evaluating these capabilities is becoming crucial yet remains ch…

cs.CL2025

Beyond Turn Limits: Training Deep Search Agents with Dynamic Context Window

Qiaoyu Tang, Hao Xiang, Le Yu +11

While recent advances in reasoning models have demonstrated cognitive behaviors through reinforcement learning, existing approaches struggle to invoke deep reasoning capabilities i…

cs.CL2025

RefCritic: Training Long Chain-of-Thought Critic Models with Refinement Feedback

Qiaoyu Tang, Hao Xiang, Le Yu +6

With the rapid advancement of Large Language Models (LLMs), developing effective critic modules for precise guidance has become crucial yet challenging. In this paper, we initially…

cs.CL2025

Self-Steering Optimization: Autonomous Preference Optimization for Large Language Models

Hao Xiang, Bowen Yu, Hongyu Lin +7

The key to effective alignment lies in high-quality preference data. Recent research has focused on automated alignment, which involves developing alignment systems with minimal hu…