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Wuwei Lan

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Articles by Wuwei Lan

You only read once (YORO): Learning to internalize database knowledge for text-to-SQL

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By Hideo Kobayashi, Wuwei Lan, Peng Shi
| Amazon Science
While significant progress has been made on the text-to-SQL task, recent solutions repeatedly encode the same database schema for every question, resulting in unnecessary high inference cost and often overlooking crucial database knowledge. To address these issues, we propose You Only Read Once (YORO), a novel paradigm that directly internalizes database knowledge into the parametric knowledge of a text-to-SQL model during training and eliminates the need for schema encoding during inference.
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Character-Based Neural Networks for Sentence Pair Modeling

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By Wei Xu, Wuwei Lan
| aclweb.org
Character-Based Neural Networks for Sentence Pair Modeling Wuwei Lan, Wei Xu Abstract Sentence pair modeling is critical for many NLP tasks, such as paraphrase identification, semantic textual similarity, and natural language inference. Most state-of-the-art neural models for these tasks rely on pretrained word embedding and compose sentence-level semantics in varied ways; however, few works have attempted to verify whether we really need pretrained embeddings in these tasks.
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