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arXiv:1810.10222cs.CL

Universal Language Model Fine-Tuning with Subword Tokenization for Polish

Piotr Czapla, Jeremy Howard, Marcin Kardas

Abstract

Universal Language Model for Fine-tuning [arXiv:1801.06146] (ULMFiT) is one of the first NLP methods for efficient inductive transfer learning. Unsupervised pretraining results in improvements on many NLP tasks for English. In this paper, we describe a new method that uses subword tokenization to adapt ULMFiT to languages with high inflection. Our approach results in a new state-of-the-art for the Polish language, taking first place in Task 3 of PolEval'18. After further training, our final model outperformed the second best model by 35%. We have open-sourced our pretrained models and code.

arXiv comments
PolEval 2018 Workshop
Journal reference
DOI
Subjects
cs.CLComputation and Language cs.LGMachine Learning stat.MLMachine Learning (Statistics)

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  1. Draft of the Fast.ai Book 2 comments
    • Yes you're right, in our NLP course we used Turkish as our example. But for the book I mentioned Polish due to this paper: https://arxiv.org/abs/1810.10222 . But as you say, now the word "agglutinative" isn't technically correct. I'm actually not sure what the right word is to…

      jph00View on HNParent context

    • The term you are looking for may be "highly inflected". Side note: IMHO, you are exaggerating the ability of Polish to form long compounds. Dissecting the "Bezbarwne zielone idee wściekle śpią" example from https://arxiv.org/pdf/1810.10222.pdf#page=3 reveals no words longer than…

      mciView on HNParent context

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