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Re: Comments on GRDDL (transformation failure case)

From: Chimezie Ogbuji <ogbujic@ccf.org>
Date: Wed, 02 May 2007 17:45:06 -0400
To: "Andrew Eisenberg" <andrew.eisenberg@us.ibm.com>
cc: public-grddl-comments@w3.org, w3c-xsl-query@w3.org
Message-ID: <1178142307.29639.57.camel@otherland>

On Wed, 2007-05-02 at 11:42 -0400, Andrew Eisenberg wrote:
> > "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 don't think that this statement quite covers our comment. It doesn't
> say what behavior is expected when the input is outside of the domain
> of the transformation. 

If the input is outside the domain of the transformation, there will
*not* be a mapping to anything (much less an RDF graph), and
consequently GRDDL (i.e., it's normative mechanisms: the green boxes)
will no longer apply.

> It doesn't cover the case when a transformation produces RDF graphs
> and non-RDF elements. 

If non-RDF is produced, GRDDL will also not apply as it would not have
computed a GRDDL result (an RDF graph).

Chimezie Ogbuji
Lead Systems Analyst
Thoracic and Cardiovascular Surgery
Cleveland Clinic Foundation
9500 Euclid Avenue/ W26
Cleveland, Ohio 44195
Office: (216)444-8593


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Received on Thursday, 3 May 2007 00:28:21 UTC

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