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Re: targetResource wording

From: Christopher B Ferris <chrisfer@us.ibm.com>
Date: Fri, 20 Jun 2003 13:50:04 -0400
To: "David Booth" <dbooth@w3.org>
Cc: Mark Baker <distobj@acm.org>, www-ws-desc@w3.org, www-ws-desc-request@w3.org
Message-ID: <OFC0EAD60E.31DDDA23-ON85256D4B.0061E756-85256D4B.0061F830@us.ibm.com>

+1

Christopher Ferris
STSM, Emerging e-business Industry Architecture
email: chrisfer@us.ibm.com
phone: +1 508 234 3624

www-ws-desc-request@w3.org wrote on 06/20/2003 12:50:24 PM:

> 
> 
> At 08:46 PM 6/19/2003 -0400, Mark Baker wrote:
> > >From Sanjiva and Mike, I understood that the [targetResource] 
attribute 
> > identified a "chunk of software" (my words),
> 
> Some of the earlier postings may have used language or examples that 
gave 
> that impression, but it's incorrect.  The resource it identifies *could* 
be 
> a chunk of software, but it's entirely up to the (application-defined) 
> semantics of those particular WSDL descriptions.  WSDL 1.2 has nothing 
to 
> say about whether that resource is or is not a chunk of software.  And 
in 
> the printer example, it probably would *not* be.
> 
> >Where it gets really confusing for me is when words like "resource" and
> >"manipulation" are used, as you do there, because that suggests that
> >we're talking about the actual resource(s?) which are manipulated at
> >runtime behind the service.  So rather than "a chunk of software in
> >the printer", I get the impression that you're saying that the URI
> >identifies "the printer",
> 
> Yes, in the printer example it would probably represent "the printer" -- 

> not a "chunk of software".
> 
> > > Regarding the name "targetResource", u does identify a resource, so 
the
> > > "Resource" part of the name definitely is appropriate.
> >
> >I strongly disagree.  By that measure, everything which accepts a URI
> >as an argument should be called "resource".
> 
> I think what you're saying here is that just because URI u exists, that 
> does not magically cause a corresponding resource r to exist.  That is 
> correct.  However, the "targetResource='u'" is *asserting* that such a 
> resource exists.  The assertion could be false, but that's what it is 
> asserting.  It is analogous to the fact that a WSDL document is 
*asserting* 
> that a corresponding service exists.  It might not, but that's what the 
> WSDL document is asserting.
> 
> 
> -- 
> David Booth
> W3C Fellow / Hewlett-Packard
> Telephone: +1.617.253.1273
> 
Received on Friday, 20 June 2003 13:50:21 GMT

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