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Re: CURIEorURI Value Space Collisions

From: Ivan Herman <ivan@w3.org>
Date: Fri, 15 Apr 2011 11:15:15 +0200
Cc: nathan@webr3.org, Mark Birbeck <mark.birbeck@webbackplane.com>, Niklas Lindström <lindstream@gmail.com>, public-rdfa-wg <public-rdfa-wg@w3.org>
Message-Id: <35C9B9A7-C9F2-4C17-8AD8-F057E5598324@w3.org>
To: Ivan Mikhailov <imikhailov@openlinksw.com>

On Apr 15, 2011, at 11:12 , Ivan Mikhailov wrote:

> Ivan,
> 
> On Fri, 2011-04-15 at 10:14 +0200, Ivan Herman wrote:
>> B.t.w., on a separate comment: in my implementation I actually generate a warning if a URI is used with an unusual (ie, non-registered) scheme.
>> In most cases this is the result of a misspelling in the prefix.
>> I am not sure it is worth adding that RDFa Core as a requirement, or
> just have this as a good practice for RDFa processors...
> 
> I'd prefer to see a requirement.
> 
> I'd also require to warn if same prefix is declared via xmlns: and
> @prefix for different URIs; "the mapping from @prefix must take
> precedence" can masquerade errors so a document will be parsed in two
> different ways by RDFa 1.1 parsers and by (my own) obsolete parsers.
> 

Yep, having a warning for that does make a lot of sense indeed...

Ivan


> OTOH, if I were the initial developer of the web, I'd fill all tools
> with warnings, and now the web would be an accurate, well-organized...
> cemetery without any live people ;)
> 
> Best Regards,
> 
> Ivan Mikhailov
> OpenLink Software
> http://virtuoso.openlinksw.com
> 
> 
> 


----
Ivan Herman, W3C Semantic Web Activity Lead
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Received on Friday, 15 April 2011 09:14:51 UTC

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