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TGIF: Tree-Graph Integrated-Format Parser for Enhanced UD with Two-Stage Generic- to Individual-Language Finetuning ...
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Transition-based Bubble Parsing: Improvements on Coordination Structure Prediction ...
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Transition-based Bubble Parsing: Improvements on Coordination Structure Prediction ...
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On the Potential of Lexico-logical Alignments for Semantic Parsing to SQL Queries ...
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Editing-Based SQL Query Generation for Cross-Domain Context-Dependent Questions ...
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Zhang, Rui; Yu, Tao; Er, He Yang; Shim, Sungrok; Xue, Eric; Lin, Xi Victoria; Shi, Tianze; Xiong, Caiming; Socher, Richard; Radev, Dragomir. - : arXiv, 2019
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Abstract:
We focus on the cross-domain context-dependent text-to-SQL generation task. Based on the observation that adjacent natural language questions are often linguistically dependent and their corresponding SQL queries tend to overlap, we utilize the interaction history by editing the previous predicted query to improve the generation quality. Our editing mechanism views SQL as sequences and reuses generation results at the token level in a simple manner. It is flexible to change individual tokens and robust to error propagation. Furthermore, to deal with complex table structures in different domains, we employ an utterance-table encoder and a table-aware decoder to incorporate the context of the user utterance and the table schema. We evaluate our approach on the SParC dataset and demonstrate the benefit of editing compared with the state-of-the-art baselines which generate SQL from scratch. Our code is available at https://github.com/ryanzhumich/sparc_atis_pytorch. ... : EMNLP 2019 ...
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Keyword:
Computation and Language cs.CL; FOS Computer and information sciences
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URL: https://dx.doi.org/10.48550/arxiv.1909.00786 https://arxiv.org/abs/1909.00786
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