Gazetteer Generation for Neural Named Entity Recognition
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2020-05-17
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Song, Chan Hee; Lawrie, Dawn; Finin, Tim; Mayfield, James; Gazetteer Generation for Neural Named Entity Recognition; Proceedings of the 33rd International FLAIRS Conference (2020); https://aaai.org/ocs/index.php/FLAIRS/FLAIRS20/paper/view/18451
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Abstract
We present a way to generate gazetteers from the Wikidata knowledge graph and use the lists to improve a neural NER system by adding an input feature indicating that a word is part of a name in the gazetteer. We empirically show that the approach yields performance gains in two distinct languages: a high-resource, word-based language, English and a high-resource, character-based language, Chinese. We apply the approach to a low-resource language, Russian, using a new annotated Russian NER corpus from Reddit tagged with four core and eleven extended types, and show a baseline score.