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Hits 1 – 10 of 10
1
Training dynamics of neural language models ...
Saphra, Naomi
. - : The University of Edinburgh, 2021
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2
A Non-Linear Structural Probe
Pimentel, Tiago
;
Cotterell, Ryan
;
Saphra, Naomi
;
White, Jennifer C.
In: Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (2021)
Abstract:
Probes are models devised to investigate the encoding of knowledge—e.g. syntactic structure—in contextual representations. Probes are often designed for simplicity, which has led to restrictions on probe design that may not allow for the full exploitation of the structure of encoded information; one such restriction is linearity. We examine the case of a structural probe (Hewitt and Manning, 2019), which aims to investigate the encoding of syntactic structure in contextual representations through learning only linear transformations. By observing that the structural probe learns a metric, we are able to kernelize it and develop a novel non-linear variant with an identical number of parameters. We test on 6 languages and find that the radial-basis function (RBF) kernel, in conjunction with regularization, achieves a statistically significant improvement over the baseline in all languages—implying that at least part of the syntactic knowledge is encoded non-linearly. We conclude by discussing how the RBF kernel resembles BERT’s self-attention layers and speculate that this resemblance leads to the RBF-based probe’s stronger performance.
URL:
https://hdl.handle.net/20.500.11850/518983
https://doi.org/10.3929/ethz-b-000518983
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3
A Non-Linear Structural Probe ...
White, Jennifer C.
;
Pimentel, Tiago
;
Saphra, Naomi
. - : ETH Zurich, 2021
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4
Training dynamics of neural language models
Saphra, Naomi
. - : The University of Edinburgh, 2021
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5
Pareto Probing: Trading Off Accuracy for Complexity
Saphra, Naomi
;
Cotterell, Ryan
;
Pimentel, Tiago
...
In: Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) (2020)
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6
Pareto Probing: Trading Off Accuracy for Complexity ...
Pimentel, Tiago
;
Saphra, Naomi
;
Williams, Adina
. - : arXiv, 2020
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7
Understanding Learning Dynamics Of Language Models with SVCCA ...
Saphra, Naomi
;
Lopez, Adam
. - : arXiv, 2018
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8
Pynlpl: V0.7.7.1 ...
Gompel, Maarten Van
;
Sloot, Ko Van Der
;
Fischer, Stefan
. - : Zenodo, 2016
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9
Pynlpl: V0.7.7 ...
Gompel, Maarten Van
;
Sloot, Ko Van Der
;
Fischer, Stefan
. - : Zenodo, 2016
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10
A framework for (under)specifying dependency syntax without overloading annotators ...
Schneider, Nathan
;
O'Connor, Brendan
;
Saphra, Naomi
. - : arXiv, 2013
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