Trained on 100 million words and still in shape: BERT meets British National Corpus
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Abstract (arXiv)
While modern masked language models (LMs) are trained on ever larger corpora, we here explore the effects of down-scaling training to a modestly-sized but representative, well-balanced, and publicly available English text source -- the British National Corpus. We show that pre-training on this carefully curated corpus can reach better performance than the original BERT model. We argue that this type of corpora has great potential as a language modeling benchmark. To showcase this potential, we present fair, reproducible and data-efficient comparative studies of LMs, in which we evaluate several training objectives and model architectures and replicate previous empirical results in a systematic way. We propose an optimized LM architecture called LTG-BERT.
Key facts. Cited by 39 papers in the map (data through 14 Oct 2026). Builds on 44 of its 84 references that are in the map. First posted on arXiv 17 Mar 2023.
Builds on
44 of 84 references.
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Citing papers per year: 2023: 5; 2024: 14; 2025: 14; 2026: 6.
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