collaborators

5 papers

cs.CL2026

Tug-of-War within A Decade: Conflict Resolution in Vulnerability Analysis via Teacher-Guided Retrieval-Augmented Generations

Ziyin Zhou, Jianyi Zhang, Xu ji +3

Large Language Models (LLMs) are essential for analyzing and addressing vulnerabilities in cybersecurity. However, among over 200,000 vulnerabilities were discovered in the past de…

cs.AI2025

MEEA: Mere Exposure Effect-Driven Confrontational Optimization for LLM Jailbreaking

Jianyi Zhang, Shizhao Liu, Ziyin Zhou +1

The rapid advancement of large language models (LLMs) has intensified concerns about the robustness of their safety alignment. While existing jailbreak studies explore both single-…

cs.AI2025

CAPTURE: A Benchmark and Evaluation for LVLMs in CAPTCHA Resolving

Jianyi Zhang, Ziyin Zhou, Xu Ji +2

Benefiting from strong and efficient multi-modal alignment strategies, Large Visual Language Models (LVLMs) are able to simulate human visual and reasoning capabilities, such as so…

cs.AI2025

Oedipus and the Sphinx: Benchmarking and Improving Visual Language Models for Complex Graphic Reasoning

Jianyi Zhang, Xu Ji, Ziyin Zhou +5

Evaluating the performance of visual language models (VLMs) in graphic reasoning tasks has become an important research topic. However, VLMs still show obvious deficiencies in simu…

cs.CR2025

FL-PLAS: Federated Learning with Partial Layer Aggregation for Backdoor Defense Against High-Ratio Malicious Clients

Jianyi Zhang, Ziyin Zhou, Yilong Li +1

Federated learning (FL) is gaining increasing attention as an emerging collaborative machine learning approach, particularly in the context of large-scale computing and data system…