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IDI
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A research center at Harvard working to strengthen society’s connection to knowledge by advancing our access to and understanding of the data that shapes AI.
Reposted by IDI
Even if you're not a partner library, you might be curious about what it's like to work with GRIN. Our technical report has a wealth of details. arxiv.org/abs/2511.11447
GRIN Transfer: A production-ready tool for libraries to retrieve digital copies from Google Books
Publicly launched in 2004, the Google Books project has scanned tens of millions of items in partnership with libraries around the world. As part of this project, Google created the Google Return Inte...
arxiv.org
November 20, 2025 at 4:42 PM
Reposted by IDI
We're also sharing the pipeline we developed for Institutional Books that seamlessly dedupes, classifies, and enhances the data once GRIN Transfer brings it down. www.institutional.org/tools
Institutional Books | Institutional Data Initiative
Institutional Books 1.0 is our first release of public domain books. This set was originally digitized through Harvard Library’s participation in the Google Books project..
www.institutional.org
November 20, 2025 at 4:42 PM
We hope Institutional Books will be the beginning of a process that makes millions more books accessible to the public for a variety of uses.

We welcome feedback as we continue to expand this dataset, refine its contents, and sharpen our process.
www.institutionaldatainitiative.org/institutiona...
Institutional Books | Institutional Data Initiative
Institutional Books 1.0 is our first release of public domain books. This set was originally digitized through Harvard Library’s participation in the Google Books project..
www.institutionaldatainitiative.org
June 12, 2025 at 9:12 PM
We look forward to growing Institutional Books through community. We welcome collaboration from researchers and model makers as we:
- Evaluate the dataset’s impact on model outputs
- Continuing to refine our OCR pipelines

View the dataset on Hugging Face: huggingface.co/datasets/ins...
institutional/institutional-books-1.0 · Datasets at Hugging Face
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
huggingface.co
June 12, 2025 at 9:12 PM
As part of our refinement work, we supplemented the original OCR-extracted text with a post-processed version that utilizes line detection to reassemble the text according to the line type.
June 12, 2025 at 9:12 PM
We included extensive volume-level metadata with both original and generated components, such as results from text-level language detection.
June 12, 2025 at 9:12 PM
We analyzed the dataset’s coverage across time, topic, and language and found:
- 40% of English text + long tail of 254 languages
- 20 clear topical tranches
- Largely published in the 19th and 20th centuries

Technical report here: arxiv.org/abs/2506.08300
June 12, 2025 at 9:12 PM