collaborators

7 papers

cs.AI2026

Context Is Not Authority: Structured Runtime Governance for Financial Market Agents

Rui Tang, Qiangqiang Liu, Yichi Zhang +4

Financial agents can turn correct context into an unauthorized effect: a customer-facing commitment, trade, or deployed policy. We present SAGE-Fin, a finance-specific authority-ha…

cs.AI2026

PRISMR: Overcoming Parse Collapse in Multimodal Listwise Ranking via Parameterized Representation Internalization

Hao Jiang, Xin Li, Annan Wang +4

Generative listwise ranking with Large Multimodal Models (LMMs) aims to capture global list context in a single forward pass, but its effectiveness degrades in long-context multimo…

cs.AI2026

Recall Isn't Enough: Bounding Commitments in Personalized Language Systems

Rui Tang, Yichi Zhang, Xi Chen +4

Long-context and memory systems usually treat personalization as a recall problem. In practice, many failures occur later, when a system commits: it turns noisy hints into hard con…

cs.LG2026

The Extrapolation Cliff in On-Policy Distillation of Near-Deterministic Structured Outputs

Xin Li, Hao Jiang, Annan Wang +2

On-policy distillation (OPD) is widely used for LLM post-training. When pushed with a reward-extrapolation coefficient lambda > 1, the student can lift past the teacher in domain,…

cs.CL2026

Beyond Correctness: Evaluating Subjective Writing Preferences Across Cultures

Shuangshuang Ying, Yunwen Li, Xingwei Qu +21

Current preference learning methods achieve high accuracy on standard benchmarks but exhibit significant performance degradation when objective quality signals are removed. We intr…

cs.AI2025

UI-TARS-2 Technical Report: Advancing GUI Agent with Multi-Turn Reinforcement Learning

Haoming Wang, Haoyang Zou, Huatong Song +109

The development of autonomous agents for graphical user interfaces (GUIs) presents major challenges in artificial intelligence. While recent advances in native agent models have sh…