Hallucination Index (Hidx)

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04:00

2026-07-28

arxiv.org

artificial-intelligence

Schema-Aware Localisation (SAL): Live Schema Grounding and Hallucination Validation for Oracle NL2SQL

A new middleware layer called Schema-Aware Localisation (SAL) achieves 62.6% execution-grounded truth (EGT) on 500 TPC-H natural language questions against Oracle Autonomous Database 23c using GPT-4o-…

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Schema-Aware Localisation (SAL) 1 Oracle 1 GPT-4o-mini 1 Oracle Autonomous Database 23c 1 TPC-H 1 USER_TAB_COLUMNS 1

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artificial intelligence 1 large language models 1 natural language processing 1 ai tools 1 ai research 1