CODEWITHSUNDEEP
pdfrdf
Kricket
Kricket

Reputation: 4179

Standard way to semantically tag data in a PDF document?

I know that one can embed RDFa in XHTML documents. Is there any standard accepted way to do this for PDF? (By "standard", I mean in a way that major search engines recognize.)

Upvotes: 2

Views: 236

Answers (2)

yms
yms

Reputation: 10418

Standard way to semantically tag data in a PDF document?

Yes, there is. It is called "Marked Content". You can read about it in Chapter 10 - Document Interchange, Part 10.5 - Marked Content of the PDF Reference Sixth Edition

Upvotes: 0

Pierre
Pierre

Reputation: 35306

See the XMP specification: ( http://www.adobe.com/products/xmp/ and http://en.wikipedia.org/wiki/Extensible_Metadata_Platform ). Some scientific publishers fill the metadata of their PDFs (eg: www.nature.com)

Upvotes: 2

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