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Re: Comments on GRDDL (transformation failure case)

From: Dan Connolly <connolly@w3.org>
Date: Tue, 01 May 2007 15:30:56 -0500
To: Andrew Eisenberg <andrew.eisenberg@us.ibm.com>
Cc: public-grddl-comments@w3.org, w3c-xsl-query@w3.org
Message-Id: <1178051456.13028.393.camel@dirk>

On Sat, 2007-04-28 at 03:48 -0400, Andrew Eisenberg wrote:
> 
> The XML Query WG and XSL WG have reviewed GRDDL [1] and offer the
> following comments: 
> 
> 1) When a transformation fails, or it produces non-RDF elements, the
> result/meaning should be specified. 

I just remembered that this case is discussed in the spec,
to some extent, in the section on Transformation Algorithms:

"As noted above, each GRDDL transformation specifies a transformation
property, a function from XPath document nodes to ... RDF graphs.
This function need not be total; it may have a domain smaller than all
XML document nodes. For example, use of xsl:message with terminate="yes"
may be used to signal that the input is outside the domain of the
transformation."

I'm interested to know if you find that sufficiently responsive
to your comment.

> [1] Gleaning Resource Descriptions from Dialects of Languages (GRDDL) 
> http://www.w3.org/TR/2007/WD-grddl-20070302/

-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E
Received on Tuesday, 1 May 2007 20:31:02 GMT

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