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cs.CL2026
TopoGuard: Graph Theory Based Defenses Against Split-Knowledge Attacks on RAG
Chahana Dahal, Zuobin Xiong
Production Retrieval Augmented Generation (RAG) systems rely on aggregating multiple external documents to answer complex queries. However, the retrieved documents introduce a new…
cs.CL2026
GONE: Structural Knowledge Unlearning via Neighborhood-Expanded Distribution Shaping
Chahana Dahal, Ashutosh Balasubramaniam, Zuobin Xiong
Unlearning knowledge is a pressing and challenging task in Large Language Models (LLMs) because of their unprecedented capability to memorize and digest training data at scale, rai…