Investigating representations of verb bias in neural language models

• URL: http://arxiv.org/abs/2010.02375v2
• Date: Thu, 15 Oct 2020 19:37:48 GMT
• Title: Investigating representations of verb bias in neural language models
• Authors: Robert D. Hawkins, Takateru Yamakoshi, Thomas L. Griffiths, Adele E. Goldberg
• Abstract summary: We introduce DAIS, a benchmark dataset containing 50K human judgments for 5K distinct sentence pairs in the English dative alternation. This dataset includes 200 unique verbs and systematically varies the definiteness and length of arguments. We use this dataset, as well as an existing corpus of naturally occurring data, to evaluate how well recent neural language models capture human preferences.
• Score: 7.455546102930909
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Languages typically provide more than one grammatical construction to express certain types of messages. A speaker's choice of construction is known to depend on multiple factors, including the choice of main verb -- a phenomenon known as \emph{verb bias}. Here we introduce DAIS, a large benchmark dataset containing 50K human judgments for 5K distinct sentence pairs in the English dative alternation. This dataset includes 200 unique verbs and systematically varies the definiteness and length of arguments. We use this dataset, as well as an existing corpus of naturally occurring data, to evaluate how well recent neural language models capture human preferences. Results show that larger models perform better than smaller models, and transformer architectures (e.g. GPT-2) tend to out-perform recurrent architectures (e.g. LSTMs) even under comparable parameter and training settings. Additional analyses of internal feature representations suggest that transformers may better integrate specific lexical information with grammatical constructions.

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