W3C home > Mailing lists > Public > public-rdf-in-xhtml-tf@w3.org > December 2009

Re: Non-XHTML host languages for RDFa

From: Mark Birbeck <mark.birbeck@webbackplane.com>
Date: Tue, 1 Dec 2009 00:05:38 +0000
Message-ID: <640dd5060911301605k28d206di445d46a41cff3b28@mail.gmail.com>
To: Christoph LANGE <ch.lange@jacobs-university.de>
Cc: Ivan Herman <ivan@w3.org>, Toby Inkster <tai@g5n.co.uk>, RDFa Developers <public-rdf-in-xhtml-tf@w3.org>
Hi Christoph,

> It might be helpful to specify these keywords as a part of an XML schema.
> (Note: When I use the lowercase word "schema" I mean the general concept, not
> the particular language XML Schema.)  Think of annotating an XML schema by
> pointing to classes/properties in an ontology.  Has anything like that ever
> been done?

That's the next step.

Points we've been considering are whether to use @profile to import
these mappings, whether RDFa should be used to describe the mappings,
whether we should map tokens to URIs, or relative paths to URIs,
whether to use OWL, and so on.

All of this is still being discussed.

Speaking only for myself, I'd like to see us come up with a technique
that works in the browser -- which has consequences for the technology

Although it's quite easy to 'import' an external RDFa document, and
import the triples contained within it, you can only do this if the
external document comes from the same domain as the host document.
(Importing simply consists of using a hidden iframe.) So to be able to
import mappings from a central site -- say Yahoo! or Google wanted to
make mappings available for their vocabularies -- we'd need to be able
to use some kind of JSON-based format.

Anyway...as you can see, there are a lot of factors to take into account. :)



Mark Birbeck, webBackplane



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Received on Tuesday, 1 December 2009 00:06:21 UTC

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