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Authors Are Furious After Finding Their Works on List of Books Used To Train AI
(www.themarysue.com)
This is a most excellent place for technology news and articles.
Oh, they're 100% pirated. Sorry this isn't open, but the preview should give you enough information. The database is available elsewhere, IIRC. https://www.theatlantic.com/technology/archive/2023/09/books3-database-generative-ai-training-copyright-infringement/675363/