ScienceBenchmark: A Complex Real-World Benchmark for Evaluating Natural Language to SQL Systems

PROCEEDINGS OF THE VLDB ENDOWMENT(2023)

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摘要
Natural Language to SQL systems (NL-to-SQL) have recently shown improved accuracy (exceeding 80%) for natural language to SQL query translation due to the emergence of transformer-based language models, and the popularity of the Spider benchmark. However, Spider mainly contains simple databases with few tables, columns, and entries, which do not reflect a realistic setting. Moreover, complex real-world databases with domain-specific content have little to no training data available in the form of NL/SQL-pairs leading to poor performance of existing NL-to-SQL systems. In this paper, we introduce ScienceBenchmark, a new complex NL-to-SQL benchmark for three real-world, highly domain-specific databases. For this new benchmark, SQL experts and domain experts created high-quality NL/SQL-pairs for each domain. To garner more data, we extended the small amount of human-generated data with synthetic data generated using GPT-3. We show that our benchmark is highly challenging, as the top performing systems on Spider achieve a very low performance on our benchmark. Thus, the challenge is many-fold: creating NL-to-SQL systems for highly complex domains with a small amount of hand-made training data augmented with synthetic data. To our knowledge, ScienceBenchmark is the first NL-to-SQL benchmark designed with complex real-world scientific databases, containing challenging training and test data carefully validated by domain experts.
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关键词
language,real-world
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