W3C home > Mailing lists > Public > public-rdfa-wg@w3.org > August 2011

Removing @profile processing from RDFa Core

From: Shane McCarron <shane@aptest.com>
Date: Sun, 14 Aug 2011 13:28:46 -0500
Message-ID: <4E4813DE.7000407@aptest.com>
To: public-rdfa-wg@w3.org
I am making the edits necessary to remove @profile processing.... which 
doesn't turn out to be very difficult.  However, there is an issue we 
had not discussed previously.  Host Languages are able to define default 
collections of IRI mappings, terms, and a default vocabulary.  We had 
done this to date via an RDFa Profile document.  Going forward, we 
*could* just specify any mappings in a Host Language specification and 
require conforming processors to hard code them.  In all likelihood they 
would have hard coded them in an @profile world anyway.

However, we could also require that Host Languages continue to *define* 
their default settings via an RDFa Profile document.  There is nothing 
inherently wrong with the syntax of an RDFa Profile.  What people have 
objected to is the inline processing of @profile by an RDFa processor.

So, I want to propose a couple of options:

   1. Retain the RDFa Profile syntax definition. Allow host languages to
      define default terms, IRI mappings, and/or a vocabulary mapping
      using that syntax.
   2. Allow host languages to define default terms, IRI mappings, and/or
      a vocabulary mapping, but do not require any machine readable
      syntax.  Implementations would be required to hard-code the
   3. Allow host languages to define IRI mappings and/or a vocabulary
      mapping. but NO TERMS.  Instead, the terms are defined via the
      vocabulary. Use the proxy vocabulary technique to connect terms to
      their ultimate definitions (assuming the host language definition
      is not definitive).

I am putting in editor's notes and pressing ahead assuming that option 3 
is the least impact option. But if we could discuss it at an upcoming 
call I would appreciate it.

Shane McCarron
Managing Director, Applied Testing and Technology, Inc.
+1 763 786 8160 x120
Received on Sunday, 14 August 2011 18:29:16 UTC

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