一作ACL 2026Findings· Findings of ACL
L atent R efusal: Latent-Signal Refusal for Unanswerable Text-to- SQL Queries
Xuancheng Ren · Shijing Hu · Zhihui Lu · Jiangqi Huang · Qiang Duan
摘要
In LLM-based Text-to-SQL systems, unanswerable and underspecified user queries may generate not only incorrect text but also executable programs that yield misleading results or violate safety constraints, thus posing a major barrier to safe deployment. Existing refusal strategies for such querie...