PostScript / PDFMARK can add a limited set of metadata to a PDF, but not full XMP as far as I can tell.It seems to be actively developed (latest release 12.09 was released ) and is in use by others in our domain Using exiftool to add extra relevant metadata in pdf files. It supports various metadata profiles that can be embedded with XMP and also allows creation of custom profiles to be embedded. Available as a package for linux-based systemsĮxifTool can read from / write to many file formats including PDFs.The addition of metadata to a document could be considered as a form of 'coversheeting' (albeit a normally invisible one).Īny solution should work with or without any existing coversheet plugin.ĮxifTool (Perl module and command-line tool) Some instances of EPrints use a 'coversheets' plugin. Please document them here if you are using others! Software that supports XMP and could be used with EPrints (and other repository platforms) If you don't have access to the ISO documents, the original XMP Specification documentation is freely available and a very good starting point. The referenced ISO standard has been updated to ISO 16684-1:2019 - Graphic technology - Extensible metadata platform (XMP) - Part 1: Data model, serialization and core properties (ISBN:978-9-7). Since early 2012, XMP is also an ISO standard (16684-1). A growing number of third-party applications now support XMP. Furthermore, XMP is extensible - it can accommodate existing metadata schemas, so systems don’t need to be rebuilt from scratch. The XMP SDKs are available in the downloads section. As an open source technology, it is freely available to developers, which means that the user community benefits from the innovations contributed by developers worldwide. Initially this might have been the case, but I believe that it does now satisfy this aspect of the requirement:īy providing a standard way of tagging files with metadata across products from Adobe and other vendors, XMP is a powerful solution enabler. Reading about XMP, with it's links to Adobe suggested that it might not satisfy the standard non-proprietary format requirement. Their recommended approach to is to use XMP (eXtensible Metadata Platform) for embedding metadata into documents: The most frequently applied licenses are Creative Commons. 2.1 ExifTool (Perl module and command-line tool).2 Software that supports XMP and could be used with EPrints (and other repository platforms).
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