Author

Haoyang Xu

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#natural language process... Preprint Sep 2026

Dense Is Not Enough: Hierarchical Supervision Allocation for Long-Horizon On-Policy Distillation

On-policy distillation (OPD) transfers the capabilities of a large language model to a smaller student by providing teacher supervision on the student's own rollouts. In long-horizon agentic tasks, however, uniform token-level matching can allocate supervision poorly: a large local discrepancy need not improve future b...

Yu-Hao Sun, Bin-Rui Wu, Zhuo-Er Xu et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Qwen-Audio-3.1-Realtime: Towards Reliable Agentic Voice Interaction

Real-time voice assistants must reason over evolving requests, execute actions, and follow conversational rules. Qwen-Audio-3.1-Realtime brings these requirements together through Think, Act, and Speak and Coordinate. Think combines Core-Cocktail supervised fine-tuning with Multimodality and Multi-Teacher On-Policy Dis...

Lu-Jia Bao, Qian Chen, Luyao Cheng et al. · 1 citation

#artificial intelligence Preprint Aug 2026

REINS: Refusal-Enhanced Inhibitory Steering with Sparse Autoencoder Features

Refusal-Enhanced INhibitory Steering is proposed, which suppresses harmful continuation features and enhances safe refusal features in the same SAE feature space, and substantially reduces harmful responses, markedly improves safe refusals and largely preserves general capabilities.

Kai-Xuan Ding, Haoyang Xu, Jihua Peng et al. · 0 citations