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Pre-Training BERT on Arabic Tweets: Practical Considerations

2021-02-21 20:51:33
Ahmed Abdelali, Sabit Hassan, Hamdy Mubarak, Kareem Darwish, Younes Samih
arXiv_AI
         
Abstract

Pretraining Bidirectional Encoder Representations from Transformers (BERT) for downstream NLP tasks is a non-trival task. We pretrained 5 BERT models that differ in the size of their training sets, mixture of formal and informal Arabic, and linguistic preprocessing. All are intended to support Arabic dialects and social media. The experiments highlight the centrality of data diversity and the efficacy of linguistically aware segmentation. They also highlight that more data or more training step do not necessitate better models. Our new models achieve new state-of-the-art results on several downstream tasks. The resulting models are released to the community under the name QARiB.

Abstract (translated)

URL

https://arxiv.org/abs/2102.10684

PDF

https://arxiv.org/pdf/2102.10684.pdf

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