一作ACL 2026Poster· Natural Language Processing
Knowing When Not to Answer: Lightweight KB -Aligned OOD Detection for Safe RAG
Ilias Triantafyllopoulos · Renyi Qu · Salvatore Giorgi · Brenda Curtis · Lyle H. Ungar · João Sedoc
摘要
Retrieval-Augmented Generation (RAG) systems are increasingly deployed in high-stakes domains, where safety depends not only on how a system answers, but also on whether a query should be answered given a knowledge base (KB). Out-of-domain (OOD) queries can cause dense retrieval to surface weakly...