collaborators

7 papers

cs.CL2026

Incentivizing In-depth Reasoning over Long Contexts with Process Advantage Shaping

Miao Peng, Weizhou Shen, Nuo Chen +3

Reinforcement Learning with Verifiable Rewards (RLVR) has proven effective in enhancing LLMs short-context reasoning, but its performance degrades in long-context scenarios that re…

cs.CL2025

QwenLong-L1.5: Post-Training Recipe for Long-Context Reasoning and Memory Management

Weizhou Shen, Ziyi Yang, Chenliang Li +11

We introduce QwenLong-L1.5, a model that achieves superior long-context reasoning capabilities through systematic post-training innovations. The key technical breakthroughs of Qwen…

cs.CL2025

Qwen3Guard Technical Report

Haiquan Zhao, Chenhan Yuan, Fei Huang +40

As large language models (LLMs) become more capable and widely used, ensuring the safety of their outputs is increasingly critical. Existing guardrail models, though useful in stat…

cs.CL2025

WebSailor: Navigating Super-human Reasoning for Web Agent

Kuan Li, Zhongwang Zhang, Huifeng Yin +16

Transcending human cognitive limitations represents a critical frontier in LLM training. Proprietary agentic systems like DeepResearch have demonstrated superhuman capabilities on…

cs.LG2025

Mutual-Taught for Co-adapting Policy and Reward Models

Tianyuan Shi, Canbin Huang, Fanqi Wan +5

During the preference optimization of large language models (LLMs), distribution shifts may arise between newly generated model samples and the data used to train the reward model…

cs.CL2025

QwenLong-CPRS: Towards -LLMs with Dynamic Context Optimization

Weizhou Shen, Chenliang Li, Fanqi Wan +12

This technical report presents QwenLong-CPRS, a context compression framework designed for explicit long-context optimization, addressing prohibitive computation overhead during th…