Kazi Samin Mubasshir
2022
BanglaBERT: Language Model Pretraining and Benchmarks for Low-Resource Language Understanding Evaluation in Bangla
Abhik Bhattacharjee
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Tahmid Hasan
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Wasi Ahmad
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Kazi Samin Mubasshir
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Md Saiful Islam
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Anindya Iqbal
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M. Sohel Rahman
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Rifat Shahriyar
Findings of the Association for Computational Linguistics: NAACL 2022
In this work, we introduce BanglaBERT, a BERT-based Natural Language Understanding (NLU) model pretrained in Bangla, a widely spoken yet low-resource language in the NLP literature. To pretrain BanglaBERT, we collect 27.5 GB of Bangla pretraining data (dubbed ‘Bangla2B+’) by crawling 110 popular Bangla sites. We introduce two downstream task datasets on natural language inference and question answering and benchmark on four diverse NLU tasks covering text classification, sequence labeling, and span prediction. In the process, we bring them under the first-ever Bangla Language Understanding Benchmark (BLUB). BanglaBERT achieves state-of-the-art results outperforming multilingual and monolingual models. We are making the models, datasets, and a leaderboard publicly available at https://github.com/csebuetnlp/banglabert to advance Bangla NLP.
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Co-authors
- Abhik Bhattacharjee 1
- Tahmid Hasan 1
- Wasi Ahmad 1
- Md. Saiful Islam 1
- Anindya Iqbal 1
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