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Re: RDF/A Syntax: comments on 27 October 2005 version

From: Ben Adida <ben@mit.edu>
Date: Mon, 2 Jan 2006 16:14:35 -0500
Message-Id: <91521481-C3EB-4CDA-B9DC-A4811F5F3E65@mit.edu>
Cc: public-rdf-in-xhtml-tf@w3.org
To: Christian Hoertnagl <hoe@zurich.ibm.com>


Thanks for your detailed comments, and Happy New Year!

I've added your email to our list of current issues:

Everything you bring up seems to be bugs or imprecise statements on  
our end.

I'll specifically answer the following points since they require more  
explanation than simply fixing our bugs:

> I've read the 27 October 2005 draft of RDF/A Syntax and do have the  
> following technical comments. Also, are there any patent statements  
> in relation  to this technology, and what reference implementations  
> are available?

No patent statements so far, but thanks for bringing it up, we'll  
discuss at our next telecon.

We're working on a reference implementation and will post to the  
mailing list when it's available.

> #2
> section 2.4: How should abiguities between CURIEs and URIs been  
> resolved within the scope of this specification? The XML sniplet in  
> section 2.4 suggests that CURIEs appear in square brackets, but  
> e.g. the 5th sniplet in section 3.1 has no such brackets. There are  
> also cases (e.g. last sniplet in section 5.2 which contain  
> unbracketed URIs with colons which must not be resolved as CURIEs.  
> With this mixed conventions it would appear that a resolution  
> mechanism for RDF/A has to have knowledge about "common" schema  
> names (such as mailto), which seems undesirable. A better  
> alternative may be to require that all CURIEs be bracketed.

This is also a bug, thanks for pointing it out.

CURIE-only attributes are not bracketed, while mixed CURIE/URI  
attributes are always bracketed. The inconsistency reflects a  
discussion that was not resolved at the time of the document: should  
REL, REV, and PROPERTY be CURIE-only, or CURIE/URI mixed? Our current  
thinking is CURIE-only, thus there would be no need for brackets in  
REL,REV,PROPERTY attributes.

The latest RDF/A Primer is more consistent on that front, but of  
course, we need to fix the syntax document, too.


Received on Monday, 2 January 2006 21:14:40 UTC

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