G²SQL: Guided & Guarded Text-to-SQL Generation with Two-Stage Verification

doi:10.1016/j.eswa.2026.131276

G²SQL: Guided & Guarded Text-to-SQL Generation with Two-Stage Verification

2026-01-22

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DOI：10.1016/j.eswa.2026.131276

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• Research Highlight 1: SQL-Plan Feedback Loop iteratively refines SQL to eliminate errors and improve robustness. • Research Highlight 2: Reviewer-Observer ensures safe, accurate SQL validation without redundant verification. • Research Highlight 3: G²SQL generates one SQL per query, matching SOTA accuracy with the lowest token cost.

G²SQL: Guided & Guarded Text-to-SQL Generation with Two-Stage Verification

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