collaborators

15 papers

cs.CL2026

When Compression Helps and When It Hurts: Condition-Aware Analysis of Chain-of-Thought Distillation

Siyang Lyu, Zhijing Sun, Xinghao Chen +3

Chain-of-Thought (CoT) distillation transfers multi-step reasoning from large reasoning models to smaller students, but verbose teacher traces inflate both training and inference c…

cs.LG2026

What Makes Effective Supervision in Latent Chain-of-Thought: An Information-Theoretic Analysis

Xinghao Chen, Chak Tou Leong, Wenjin Guo +3

Latent Chain-of-Thought (CoT) internalizes reasoning within continuous hidden states, offering a promising alternative to verbose discrete reasoning traces. However, robust latent…

cs.CR2026

SafeClawBench: Separating Semantic, Audit-Evidence, and Sandbox Harm in Tool-Using LLM Agents

Yuchuan Tian, Mengyu Zheng, Haocheng Mei +5

Tool-using language-model agents introduce security failures that go beyond unsafe text: they can disclose protected objects, write persistent memory, send messages, modify databas…

cs.CL2026

What Should a Skill Remember? Quality--Cost Trade-offs in Cost-Aware Skill Rewriting for Language Model Agents

Qinghua Xing, Yinda Chen, Yaping Jin +6

Large language model agents increasingly rely on skills: reusable procedural documents encoding workflows, tool use, implementation patterns, validation checks, and domain rules. S…

cs.AI2026

UniToolCall: Unifying Tool-Use Representation, Data, and Evaluation for LLM Agents

Yijuan Liang, Xinghao Chen, Yifan Ge +5

Tool-use capability is a fundamental component of LLM agents, enabling them to interact with external systems through structured function calls. However, existing research exhibits…

cs.CV2026

VEFX-Bench: A Holistic Benchmark for Generic Video Editing and Visual Effects

Xiangbo Gao, Sicong Jiang, Bangya Liu +12

As AI-assisted video creation becomes increasingly practical, instruction-guided video editing has become essential for refining generated or captured footage to meet professional…