How Unanswerable Questions Can Inflate RAG Recall@K
Retrieval evaluation is one of the first things we measure when building a Retrieval-Augmented Generation (RAG) pipeline. Metrics like Recall@K help answer a straightforward question: Did the retriever return the documents needed to answer the question? But there's an edge case that can make your e…
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- 2026-11-01 09:27 · DEV Community — Machine Learning
How Unanswerable Questions Can Inflate RAG Recall@K