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A comment on Make the “semantic web” web 3.0 again – with the help of SQLite. Parent comment

Re:Make the “semantic web” web 3.0 again – with the help of ... by dgudkov on Tuesday January 11, 2022 @07:59PM (#29900911)
The PDF format supports attachments (embedded files). I'm thinking about a set of libraries and/or a command-line utility that would make it trivially easy to attach a SQLite|JSON file to a PDF or extract one from a PDF. This won't fix existing files, of course, but at least for those apps that generate PDFs it will be easier to embed a SQLite/JSON into a generated PDF.
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Re:Make the “semantic web” web 3.0 again – with the help of ... by oever on Wednesday January 12, 2022 @04:18AM (#29904097)
XMP is meant for adding semantic information to (parts of) PDF files.

https://en.wikipedia.org/wiki/Extensible_Metadata_Platform

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