collaborators

5 papers

cs.IR2026

Beyond Patches: Superpixel Token-based Transformers for Attribute-Specific Fashion Retrieval

Shuili Zhang, Hongzhang Mu, Wenyuan Zhang +2

Attribute-Specific Fashion Retrieval (ASFR) aims to improve fine-grained image retrieval by focusing on specific attributes. However, existing patch-based attention and Transformer…

cs.LG2026

TriPlay-RL: Tri-Role Self-Play Reinforcement Learning for LLM Safety Alignment

Zhewen Tan, Wenhan Yu, Jianfeng Si +9

In recent years, safety risks associated with large language models have become increasingly prominent, highlighting the urgent need to mitigate the generation of toxic and harmful…

cs.CR2025

Beyond Surface Alignment: Rebuilding LLMs Safety Mechanism via Probabilistically Ablating Refusal Direction

Yuanbo Xie, Yingjie Zhang, Tianyun Liu +2

Jailbreak attacks pose persistent threats to large language models (LLMs). Current safety alignment methods have attempted to address these issues, but they experience two signific…

cs.MM2025

Mitigating Modality Bias in Multi-modal Entity Alignment from a Causal Perspective

Taoyu Su, Jiawei Sheng, Duohe Ma +5

Multi-Modal Entity Alignment (MMEA) aims to retrieve equivalent entities from different Multi-Modal Knowledge Graphs (MMKGs), a critical information retrieval task. Existing studie…

cs.CV2025

Debiasing Multimodal Large Language Models via Noise-Aware Preference Optimization

Zefeng Zhang, Hengzhu Tang, Jiawei Sheng +6

Multimodal Large Language Models excel in various tasks, yet often struggle with modality bias, where the model tends to rely heavily on a single modality and overlook critical inf…