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Re: [RDFa] ISSUE-29: mime type of RDFa document

From: Dan Connolly <connolly@w3.org>
Date: Tue, 19 Jun 2007 06:37:19 -0500
To: Dan Brickley <danbri@danbri.org>
Cc: Ben Adida <ben@adida.net>, RDFa <public-rdf-in-xhtml-tf@w3.org>, SWD WG <public-swd-wg@w3.org>, Tim Berners-Lee <timbl@w3.org>
Message-Id: <1182253039.6367.144.camel@pav>

On Tue, 2007-06-19 at 01:49 +0100, Dan Brickley wrote:
> For very concrete example, imagine this as RDFa in a <head> section:
>      <link rel="foaf:primaryTopic" href="#thething-itself" />
> And then later in the page contents:
>   <div about="#thething-itself">
>        <p property="xyz:abc">
> ...on the assumption that the xyz:abc property was supposed to be about 
> the realworld main topic of the page (maybe a person, a movie, a museum 
> artifact, etc).
> On my understanding there are some interactions between this style of 
> RDFa and the existing conventions for text/html and 
> application/xhtml+xml. Do we lose the RDF/XML idiom of using #blah to 
> refer to the external world, then?

I don't think so.

In fact, the about attribute _reduces_ the conflict with
the tradition in the HTML world of #blah referencing a
document section.

The application/xhtml+xml MIME type spec should
be updated to specify fragments built using about= ,
but that seems straightforward.

>  Is this a big loss?

> > Issue #29:
> > http://www.w3.org/2006/07/SWD/track/issues/29

Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Tuesday, 19 June 2007 11:37:25 UTC

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