Dataset · Hugging Face

jbduran/bartholomew-dataset-v1

Name: bartholomew-dataset-v1
Creator: jbduran
License: mit
Keywords: language:en, license:mit, size_categories:100K<n<1M, format:parquet, modality:text, library:datasets, library:dask, library:polars, library:mlcroissant, arxiv:2506.08300, region:us, books, historical, pre-1930, ocr

BART Dataset v1 The first version of the BART pretraining corpus: pre-1930 English books drawn from Institutional Books 1.0 and filtered hard on OCR quality, language, date, and tokenizability. Documents 160,263 Characters 118,745,375,871 Tokens ~27B (estimated) Shards 473 (472 train + 1 val) Source Institutional Books 1.0 (242B tokens, ~983K documents) Schema single string column text Lineage — three cumulative filtering stages over the same corpus:… See the full description on the dataset page: https://huggingface.co/datasets/jbduran/bartholomew-dataset-v1.

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Author / organization	jbduran
License (as declared)	mit
Downloads	580 (as reported by Hugging Face)
Likes	2
Created	3 June 2026
Last updated at source	21 August 2026

bookshistoricalpre-1930ocrinstitutional-bookspretraining

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