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Peiru Yang

6 accepted papers

2026

MrM: Black-Box Membership Inference Attacks Against Multimodal RAG Systems

AAAI 2026technical

Multimodal retrieval-augmented generation (RAG) systems enhance large vision-language models by integrating cross-modal knowledge, enabling their increasing adoption across real-world multimodal tasks. These knowledge databases may contain sensitive information that requires privacy protection. Howe

Cited by 0SourcePDFScholar
2026

OncoCoT: A Temporal-causal Chain-of-Thought Dataset for Oncologic Decision-Making

AAAI 2026technical

Long Chain-of-Thought (CoT) reasoning has shown great promise in complex reasoning tasks, but its application to medical decision-making presents unique challenges. Unlike structured tasks relying on static verification frameworks, medical decision-making requires dynamic validation through longitud

Cited by 0SourcePDFScholar
2026

ShieldRAG: Safeguarding Retrieval-Augmented Generation from Untrusted Knowledge Bases

AAAI 2026technical

Open knowledge bases (e.g., websites) are widely adopted in Retrieval-Augmented Generation (RAG) systems to provide supplementary knowledge (e.g., latest information). However, such sources inevitably contain biased or harmful content, and incorporating these untrusted contents into the RAG process

Cited by 0SourcePDFScholar
2026

Towards Whole-corpus Reconstruction of Heterogeneous RAG Knowledge Bases

ICML 2026poster

Retrieval-Augmented Generation (RAG) systems are increasingly deployed to provide query-based access to large knowledge bases, thereby introducing concrete privacy risks whereby the underlying corpus may be partially or fully extracted through the deployed service. Existing extraction attacks typica…

Cited by 0SourceScholar
2025

Black-Box Membership Inference Attack for LVLMs via Prior Knowledge-Calibrated Memory Probing

NeurIPS 2025poster

Large vision-language models (LVLMs) derive their capabilities from extensive training on vast corpora of visual and textual data. Empowered by large-scale parameters, these models often exhibit strong memorization of their training data, rendering them susceptible to membership inference attacks (…

Cited by 0SourcecodeScholar
2021

HieRec: Hierarchical User Interest Modeling for Personalized News Recommendation

ACL 2021long

User interest modeling is critical for personalized news recommendation. Existing news recommendation methods usually learn a single user embedding for each user from their previous behaviors to represent their overall interest. However, user interest is usually diverse and multi-grained, which is d…