Adam Ek
Centre for Linguistic Theory and Studies in Probability, Department of Philosophy, Linguistics and Theory of Science, University of Gothenburg, Sweden
Jean-Phillipe Bernardy
Centre for Linguistic Theory and Studies in Probability, Department of Philosophy, Linguistics and Theory of Science, University of Gothenburg, Sweden
Shalom Lappin
Centre for Linguistic Theory and Studies in Probability, Department of Philosophy, Linguistics and Theory of Science, University of Gothenburg, Sweden
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Ingår i: Proceedings of the 22nd Nordic Conference on Computational Linguistics (NoDaLiDa), September 30 - October 2, Turku, Finland
Linköping Electronic Conference Proceedings 167:8, s. 76--85
NEALT Proceedings Series 42:8, p. 76--85
Publicerad: 2019-10-02
ISBN: 978-91-7929-995-8
ISSN: 1650-3686 (tryckt), 1650-3740 (online)
In this paper, we investigate the effect of enhancing lexical embeddings in LSTM language models (LM) with syntactic and semantic representations. We evaluate the language models using perplexity, and we evaluate the performance of the models on the task of predicting human sentence acceptability judgments. We train LSTM language models on
sentences automatically annotated with universal syntactic dependency roles (Nivre, 2016), dependency depth and universal semantic tags (Abzianidze et al., 2017) to predict sentence
acceptability judgments. Our experiments indicate that syntactic tags lower perplexity, while semantic tags increase it. Our experiments also show that neither syntactic nor semantic tags improve the performance of LSTM language models on the task of predicting sentence acceptability judgments.
Sentence acceptability
Language modeling
Semantic representations
Syntactic representations
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