2 papers
cs.CL2026
RAGSieve: Self-Referenced Local Contrast for Knowledge-Poison Detection in Retrieval-Augmented Generation
Xinlong Xu, Yoshua Y. Li
Retrieval-augmented generation uses an external corpus as inference-time evidence, allowing an attacker to promote a false answer by injecting a handful of documents. Detection mus…
cs.CL2026
EviReform: Evidence-Guided Query Reformulation for Multi-Hop Graph Retrieval
Xinlong Xu, Yoshua Y. Li
Multi-hop retrieval must recover passages that provide sufficient evidence together. An initial passage often resolves an entity or relation implicit in the question, making the mi…