Preprint
Jul 2026
Semantically Similar, Logically Distinct: Diagnosing the Semantic-Answerability Gap in Table RAG
This work introduces TCR-Bench, a diagnostic benchmark for Table Content-level Answerability in RAG, and tests whether a lightweight two-stage pipeline, Answerability-Aware Reranking (AAR), applying direct query-table answerability judgment, can recover performance.
Jiaming Tian, Liyao Li, Wen-song Ye et al.
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