Czert – Czech BERT-like Model for Language Representation

03/24/2021

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by   Jakub Sido, et al.

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This paper describes the training process of the first Czech monolingual language representation models based on BERT and ALBERT architectures. We pre-train our models on more than 340K of sentences, which is 50 times more than multilingual models that include Czech data. We outperform the multilingual models on 7 out of 10 datasets. In addition, we establish the new state-of-the-art results on seven datasets. At the end, we discuss properties of monolingual and multilingual models based upon our results. We publish all the pre-trained and fine-tuned models freely for the research community.