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arXiv · 2106.09588

End-to-End Cross-Domain Text-to-SQL Semantic Parsing with Auxiliary Task

Peng Shi·Tao Yu·Patrick Ng·Zhiguo Wang
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Abstract

In this work, we focus on two crucial components in the cross-domain text-to-SQL semantic parsing task: schema linking and value filling. To encourage the model to learn better encoding ability, we propose a column selection auxiliary task to empower the encoder with the relevance matching capability by using explicit learning targets. Furthermore, we propose two value filling methods to build the bridge from the existing zero-shot semantic parsers to real-world applications, considering most of the existing parsers ignore the values filling in the synthesized SQL. With experiments on Spider, our proposed framework improves over the baselines on the execution accuracy and exact set match accuracy when database contents are unavailable, and detailed analysis sheds light on future work.

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Peng Shi, Tao Yu, Patrick Ng, Zhiguo Wang. 2021-06-17. End-to-End Cross-Domain Text-to-SQL Semantic Parsing with Auxiliary Task. https://arxiv.org/abs/2106.09588

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