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R. University

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#artificial intelligence Preprint Oct 2026

Logic Hijacking of RAG: Single-Document Poisoning via Local Optimization

Single-document corpus poisoning under black-box access poses a severe threat to Retrieval-Augmented Generation (RAG). However, existing attacks predominantly rely on explicit factual refutations or imperative instruction overrides. Modern aligned LLMs often arbitrate such conflicts conservatively, rejecting overt cont...

Hang-Yi Zhao, Bo-Nan Zhang, Fu-Sen Guo et al. · 0 citations
Preprint Oct 2026

Extracting Illicit-Rich Subgraph from Transaction Networks via Feed-Guided Shortest Paths

The proposed motif-based coherent feed selection method yields markedly higher illicit ratios in the extracted subgraph than random and degree-based heuristics on Elliptic and the IBM-AML HI variants, while keeping the output compact.

Doniyor Koshimbetov, E. Yazıcı, Asha Rao Koç University et al. · 0 citations

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