activity
20242026
collaborators

17 papers

cs.CV2026

Alaya-EVOKE: From Linear-Scaling Supervision to Endless World

Yuanyang Yin, Gongxuan Wang, Yifan Zhan +3

Interactive world models must support persistent memory, responsive interaction, and long-horizon generation, yet these requirements place conflicting demands on the model. Maintai…

cs.AI2026

WebArbiter: A Principle-Guided Reasoning Process Reward Model for Web Agents

Yao Zhang, Shijie Tang, Zeyu Li +2

Web agents hold great potential for automating complex computer tasks, yet their interactions involve long-horizon, sequential decision-making with irreversible actions. In such se…

cs.CV2025

AUVIC: Adversarial Unlearning of Visual Concepts for Multi-modal Large Language Models

Haokun Chen, Jianing Li, Yao Zhang +4

Multimodal Large Language Models (MLLMs) achieve impressive performance once optimized on massive datasets. Such datasets often contain sensitive or copyrighted content, raising si…

cs.CR2025

Deep Research Brings Deeper Harm

Shuo Chen, Zonggen Li, Zhen Han +7

Deep Research (DR) agents built on Large Language Models (LLMs) can perform complex, multi-step research by decomposing tasks, retrieving online information, and synthesizing detai…

cs.CR2025

Bag of Tricks for Subverting Reasoning-based Safety Guardrails

Shuo Chen, Zhen Han, Haokun Chen +6

Recent reasoning-based safety guardrails for Large Reasoning Models (LRMs), such as deliberative alignment, have shown strong defense against jailbreak attacks. By leveraging LRMs'…

cs.AI2025

GroundedPRM: Tree-Guided and Fidelity-Aware Process Reward Modeling for Step-Level Reasoning

Yao Zhang, Yu Wu, Haowei Zhang +6

Process Reward Models (PRMs) aim to improve multi-step reasoning in Large Language Models (LLMs) by supervising intermediate steps and identifying errors. However, building effecti…