The FineWeb Datasets: Decanting the Web for the Finest Text Data at Scale

Penedo et al., 2024, The FineWeb Datasets (Advances in Neural Information Processing Systems 37 (NeurIPS 2024), Datasets and Benchmarks Track)

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2 Background

  1. Why is curating web text for pretraining a trade-off?
    Web text contains “unnatural” language (boilerplate, gibberish) and much duplication that harm models, but filtering too aggressively leaves too little data for single-pass pretraining; and deduplication involves many choices (granularity, exact or fuzzy).
    • Penedo et al., 2024, The FineWeb Datasets (Advances in Neural Information Processing Systems 37 (NeurIPS 2024), Datasets and Benchmarks Track), §2

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