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- W3217224537 abstract "Extracting temporal relations among events from unstructured text has extensive applications, such as temporal reasoning and question answering. While it is difficult, recent development of Neural-symbolic methods has shown promising results on solving similar tasks. Current temporal relation extraction methods usually suffer from limited expressivity and inconsistent relation inference. For example, in TimeML annotations, the concept of intersection is absent. Additionally, current methods do not guarantee the consistency among the predicted annotations. In this work, we propose SMARTER, a neural semantic parser, to extract temporal information in text effectively. SMARTER parses natural language to an executable logical form representation, based on a custom typed lambda calculus. In the training phase, dynamic programming on denotations (DPD) technique is used to provide weak supervision on logical forms. In the inference phase, SMARTER generates a temporal relation graph by executing the logical form. As a result, our neural semantic parser produces logical forms capturing the temporal information of text precisely. The accurate logical form representations of an event given the context ensure the correctness of the extracted relations." @default.
- W3217224537 created "2021-12-06" @default.
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- W3217224537 date "2021-12-01" @default.
- W3217224537 modified "2023-10-01" @default.
- W3217224537 title "Context-Dependent Semantic Parsing for Temporal Relation Extraction" @default.
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- W3217224537 doi "https://doi.org/10.48550/arxiv.2112.00894" @default.
- W3217224537 hasPublicationYear "2021" @default.
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