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Yi-Hao Hu

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#natural language process... Preprint Oct 2026

ARCS: Towards Precise Text-to-SQL via Structured Disambiguation

As text-to-SQL systems move beyond demonstrations toward real-world deployment, ambiguity in user questions becomes a primary source of errors. Such ambiguities are often subtle, domain- or data-specific, and can silently cause system outputs to deviate from the user's true intent. Ambiguity is traditionally addressed...

Yi-Hao Hu, Yan-Lin Feng, Naoki Otani et al. · 0 citations
Aug 2026

Qr-Hint: Formally Verified and AI-Explained SQL Tutoring

Qr-Hint is presented, a system designed to support debugging for both students and educators that identifies the smallest syntactic edit to a wrong query to make it semantically equivalent to a correct one.

Zhou-Yi Jiang, Yi-Hao Hu, Amir Gilad et al. · 0 citations
Jul 2026

I-Rex: An Interactive Debugger for SQL

I-Rex is presented, a SQL debugger that enables users to inspect the logical execution of SQL queries visually and interactively to identify and potentially fix logical bugs in the queries and allows users to jump to arbitrary points of interest by leveraging the power of the database systems.

Yi-Hao Hu, Zian Chen, Z. Leong et al. · 0 citations

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