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Re: Another way other than @profile, @vocab or @map

From: Martin McEvoy <martin@weborganics.co.uk>
Date: Fri, 19 Mar 2010 16:06:16 +0000
Message-ID: <4BA3A0F8.1070806@weborganics.co.uk>
To: Shane McCarron <shane@aptest.com>
CC: Toby Inkster <tai@g5n.co.uk>, Ivan Herman <ivan@w3.org>, RDFa WG <public-rdfa-wg@w3.org>

Hello all

On 19/03/2010 15:50, Martin McEvoy wrote:
> On 19/03/2010 15:42, Shane McCarron wrote:
>>
>>
>> Martin McEvoy wrote:
>>>
>>>
>>> anyway +1 for using the url @vocab to declare the default CURIE 
>>> prefix, I would like to add that @vocab should only be used once in 
>>> a RDFa document to avoid invalid RDF in the output document 
>>> (switching default namespaces)
>> I think I disagree with this.  I feel @vocab should be scoped just as 
>> @xmlns is today, and within its scope keywords are interpreted in the 
>> context of that vocabulary. 
>
> I'm not disagreeing with you.. by scoped you mean available more than 
> once and all the descendant keywords are scoped within the vocabulary 
> declared at @vocab.
>
>
>> This is entirely consistent with the processing rules - after all, 
>> the keywords are transformed into full URIs as soon as the processor 
>> encounters them.  In my implementation, this would be a 2 line change 
>> I think,
>>
>
> Indeed,  I don't have a problem with that, and 2 line change is not 
> much effort. :)

there is a flaw in with the above approach of course, which I guess is 
why the whole discussion of  RDFa profile's as a method of declaring 
prefix-less tokens.

example:

<body vocab="http://www.w3.org/2006/vcard/ns#">

     <div typeof="VCard" about="">

         <div property="fn">Fred</div>

         <a rel="url me" href="http://fred.example.com/">Home</a>

     </div>

</body>


the @rel value "me" is not a part of the vcard vocabulary, the parser 
doesnt know that, How can a RDFa parser tell the difference between a 
"qualified name" and some other name not included in the vocab?

Got there in the end ;)

Best wishes.




-- 
Martin McEvoy
Received on Friday, 19 March 2010 16:06:42 GMT

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