LLM-Driven Data Generation and a Novel Soft Metric for Evaluating Text-to-SQL in Aviation MRO

• URL: http://arxiv.org/abs/2506.13785v1
• Date: Wed, 11 Jun 2025 04:04:13 GMT
• Title: LLM-Driven Data Generation and a Novel Soft Metric for Evaluating Text-to-SQL in Aviation MRO
• Authors: Patrick Sutanto, Jonathan Kenrick, Max Lorenz, Joan Santoso,
• Abstract summary: We introduce a novel F1-score-based'soft' metric that quantifies the informational overlap between generated and ground-truth results.<n>We demonstrate our contributions through an empirical evaluation on an authentic MRO database.
• Score: 0.6374763930914525
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The application of Large Language Models (LLMs) to text-to-SQL tasks promises to democratize data access, particularly in critical industries like aviation Maintenance, Repair, and Operation (MRO). However, progress is hindered by two key challenges: the rigidity of conventional evaluation metrics such as execution accuracy, which offer coarse, binary feedback, and the scarcity of domain-specific evaluation datasets. This paper addresses these gaps. To enable more nuanced assessment, we introduce a novel F1-score-based 'soft' metric that quantifies the informational overlap between generated and ground-truth SQL results. To address data scarcity, we propose an LLM-driven pipeline that synthesizes realistic question-SQL pairs from database schemas. We demonstrate our contributions through an empirical evaluation on an authentic MRO database. Our experiments show that the proposed soft metric provides more insightful performance analysis than strict accuracy, and our data generation technique is effective in creating a domain-specific benchmark. Together, these contributions offer a robust framework for evaluating and advancing text-to-SQL systems in specialized environments.

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