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Cited by 1,373

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

What Does BERT Look at? An Analysis of BERT’s Attention

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Clark, Kevin, Khandelwal, Urvashi, Levy, Omer, Manning, Christopher D.·2019·Proceedings of the 2019 ACL Workshop BlackboxNLP: Analyzing and Interpreting Neural Networks for NLP

Abstract

Large pre-trained neural networks such as BERT have had great recent success in NLP, motivating a growing body of research investigating what aspects of language they are able to learn from unlabeled data.Most recent analysis has focused on model outputs (e.g., language model surprisal) or internal vector representations (e.g., probing classifiers).Complementary to these works, we propose methods for analyzing the attention mechanisms of pre-trained models and apply them to BERT.BERT's attention heads exhibit patterns such as attending to delimiter tokens, specific positional offsets, or broadly attending over the whole sentence, with heads in the same layer often exhibiting similar behaviors.We further show that certain attention heads correspond well to linguistic notions of syntax and coreference.For example, we find heads that attend to the direct objects of verbs, determiners of nouns, objects of prepositions, and coreferent mentions with remarkably high accuracy.Lastly, we propose an attention-based probing classifier and use it to further demonstrate that substantial syntactic information is captured in BERT's attention.

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Metadata

Authors
Clark, K., Khandelwal, U., Levy, O., & Manning, C. D.
Venue
Proceedings of the 2019 ACL Workshop BlackboxNLP: Analyzing and Interpreting Neural Networks for NLP
Published
2019
Pages
276-286
OpenAlex
W2953337107
Cited by
1,373
References
35
FWCI
80.83
Type
conference paper
Language
en
Open access
gold

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CoChat. (2026). Citation check: What Does BERT Look at? An Analysis of BERT’s Attention. https://app.cochat.ai/papers/10.18653/v1/w19-4828
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Clark, K., Khandelwal, U., Levy, O., & Manning, C. D. (2019). What Does BERT Look at? An Analysis of BERT’s Attention. Proceedings of the 2019 ACL Workshop BlackboxNLP: Analyzing and Interpreting Neural Networks for NLP. https://doi.org/10.18653/v1/w19-4828

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