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Author

Chishui Chen

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Preprint Aug 2026

Look Ahead Before You Distill: Future Trajectory Validation of Teacher Guidance for Agentic On-Policy Distillation

This work proposes FutureBridge-OPD (FTB), which executes a short teacher bridge at a high disagreement state and uses the resulting student continuation to assess whether the bridge increases the density of positive distillation signals relative to the teacher.

Chishui Chen, Yao Fan, Te Sun et al. · 7 citations · ⚡3
Preprint Aug 2026

ToolVision: Learning When and How to Use Visual Tools with Capability-Aligned Supervision

ToolVision is introduced, a model that improves over its base on all seven main benchmarks, surpasses Thyme-7B, CodeVision-8B, and CodeDance-7B on all three high-resolution benchmarks, and outperforms Qwen3-VL-32B-Thinking on V* and HRBench 8K.

Delin Mao, Cheng-Hao Sun, Jing-Wei Song et al. · 1 citation

Skill or Skip? Learning Selective Skill Invocation in Agentic Tasks via Dual-Granularity Preference Learning

SelSkill is proposed, a dual-granularity preference-learning framework for selective skill invocation that formulates skill use as a skill-or-skip decision, uses predictive uncertainty to prioritize candidate decision points, and constructs controlled invoke-skip preference pairs from shared trajectory prefixes.

Chishui Chen, Jiaye Lin, Te Sun et al. · 1 citation · ⚡1
Preprint Aug 2026

Agentic Reinforcement Learning with Observation-Calibrated Self-Distillation

Observation-Calibrated Self-Distillation (OCSD), which contrasts two structurally matched replay views, Full and Observation-Ablated, to derive an observation residual that discounts score changes shared by the replay scaffold, and applies this residual to modulate token-level GRPO updates at high-uncertainty steps, wh...

Yi Yang, Congming Qin, Xiaodan Liu et al. · 4 citations

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