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RE: NEW ISSUE: (3623) Relation of Attachment to SAWSDL

From: Paul Cotton <Paul.Cotton@microsoft.com>
Date: Wed, 20 Sep 2006 13:49:30 -0700
To: Jacek Kopecky <jacek.kopecky@deri.org>
CC: "eric@w3.org" <eric@w3.org>, "public-ws-policy@w3.org" <public-ws-policy@w3.org>, Bijan Parsia <bparsia@cs.man.ac.uk>, Philippe Le Hegaret <plh@w3.org>
Message-ID: <4D66CCFC0B64BA4BBD79D55F6EBC225712CCD828BC@NA-EXMSG-C103.redmond.corp.microsoft.com>

Thank you for your reply.

> Regarding reviewing your material on Attachment in WSDL 2.0 ...

FYI, The WS-Policy WG adopted new material on this topic from the following proposal at our F2F meeting last week:
http://lists.w3.org/Archives/Public/public-ws-policy/2006Sep/0037.html

> To summarize, it seems there is little point in WS-Policy and SAWSDL
> coordinating with each other, other than that both should check with
> WS-Desc about extending WSDL 2.0 right.

The WS-Policy WG agrees and we resolved to indicate that Issue 3623 was FIXED by this dialogue.

/paulc

Paul Cotton, Microsoft Canada
17 Eleanor Drive, Ottawa, Ontario K2E 6A3
Tel: (613) 225-5445 Fax: (425) 936-7329
mailto:Paul.Cotton@microsoft.com





> -----Original Message-----
> From: Jacek Kopecky [mailto:jacek.kopecky@deri.org]
> Sent: September 11, 2006 2:53 PM
> To: Paul Cotton
> Cc: eric@w3.org; public-ws-policy@w3.org; Bijan Parsia; Philippe Le
> Hegaret
> Subject: RE: NEW ISSUE: (3623) Relation of Attachment to SAWSDL
>
> Dear Paul, replying here on the public list,
>
> thank you for raising this issue. We have discussed the relation between
> Policy and Semantic Annotations briefly at our recent f2f meeting and we
> came to the conclusion that we are attaching different things to WSDL,
> even though both specs are general enough that they could be bent to
> perform similar functions.
>
> The major difference is in the intention of the attached information.
> SAWSDL aims to enhance the description e.g. for discovery (even if on
> the XML level the WSDL wouldn't match), whereas Policy aims show what
> restrictions there are when the WSDL is followed e.g. in invocation.
>
> I guess I could say the basic difference is similar to the difference
> between XML Schema and OWL.
>
> Regarding reviewing your material on Attachment in WSDL 2.0, we can do
> that from the point of view of overlap, but there's no significant
> overlap between SAWSDL and what is in your section 4 (attaching policies
> using wsdl 1.1) which mostly talks about computing effective policy.
> Outside section 4, any perceived overlap between your reference
> mechanisms (PolicyReference element and PolicyURIs attribute) and ours
> (modelReference attribute) is really only structural similarity with no
> real space for unification.
>
> To summarize, it seems there is little point in WS-Policy and SAWSDL
> coordinating with each other, other than that both should check with
> WS-Desc about extending WSDL 2.0 right.
>
> Further discussion about possible overlap might be interesting in the
> scope of the Semantic Web Services interest group, perhaps, as suggested
> by Bijan.
>
> Jacek
>
>
> On Tue, 2006-09-05 at 11:27 -0700, Paul Cotton wrote:
> > I raised this issue at the Web Services CG meeting today.  Unfortunately
> the Chair of the SAWSDL WG and the team contact were not available due to
> other commitments.
> >
> > This email is to point out this issue to the SAWSDL WG Chair and team
> contact.
> >
> > This issue was raised by a member of the WS-Policy WG and asks if the
> WS-Policy WG and the SAWSDL WG need to coordinate since they are both
> discussing material that can be attached to a WSDL.
> >
> > The current WS-Policy Attachments WD [1] contains a section that
> describes how to attach web services policies to a WSDL 1.1 resource [2].
> The WS-Policy WG is planning to add a section to this document that covers
> how to attach web services policies to a WSDL 2.0 resource.
> >
> > I would like to recommend that the SAWSDL WG review this new material
> which is related to WSDL 2.0 when it becomes available.
> >
> > /paulc
> >
> > [1] http://www.w3.org/TR/2006/WD-ws-policy-attach-20060731/
> > [2] http://www.w3.org/TR/2006/WD-ws-policy-attach-
> 20060731/#AttachingPolicyUsingWSDL1.1
> >
> > Paul Cotton, Microsoft Canada
> > 17 Eleanor Drive, Ottawa, Ontario K2E 6A3
> > Tel: (613) 225-5445 Fax: (425) 936-7329
> > mailto:Paul.Cotton@microsoft.com
> >
> >
> >
> >
> >
> > > -----Original Message-----
> > > From: public-ws-policy-request@w3.org [mailto:public-ws-policy-
> > > request@w3.org] On Behalf Of Paul Cotton
> > > Sent: August 25, 2006 12:33 PM
> > > To: Bijan Parsia; public-ws-policy@w3.org
> > > Subject: RE: NEW ISSUE: (3623) Relation of Attachment to SAWSDL
> > >
> > >
> > > I have requested that this coordination item be discussed at a future
> Web
> > > Services Coordination Group meeting.  At that time I will request that
> the
> > > SAWSDL WG review our initial WG drafts and inform us of any
> difficulties
> > > they have using the documents.
> > >
> > > Chris or I will report back after the WS CG meeting occurs.
> > >
> > > /paulc
> > >
> > > Paul Cotton, Microsoft Canada
> > > 17 Eleanor Drive, Ottawa, Ontario K2E 6A3
> > > Tel: (613) 225-5445 Fax: (425) 936-7329
> > > mailto:Paul.Cotton@microsoft.com
> > >
> > >
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: public-ws-policy-request@w3.org [mailto:public-ws-policy-
> > > > request@w3.org] On Behalf Of Bijan Parsia
> > > > Sent: August 25, 2006 6:49 AM
> > > > To: public-ws-policy@w3.org
> > > > Subject: NEW ISSUE: (3623) Relation of Attachment to SAWSDL
> > > >
> > > >
> > > > Title -
> > > >          Relation of Attachment to SAWSDL
> > > >
> > > > Description -
> > > >          SAWSDL working group is defining a set of extensions to
> WSDL
> > > > for
> > > > attaching "semantic" information. Presumably, this includes policy
> like
> > > > information.
> > > >          See:
> > > >                  <http://www.w3.org/2002/ws/sawsdl/>
> > > >                  <http://www.w3.org/2002/ws/sawsdl/spec/SAWSDL.html>
> > > >
> > > > Justification -
> > > >          They are a working group in an overlapping space. We should
> > > > determine
> > > > how much overlap there is.
> > > >
> > > > Target -
> > > >          attachment
> > > >
> > > > Proposal -
> > > >          I don't have one per se. I'm not an attachment or SAWSDL
> > > > person. But at
> > > > least the chairs perhaps should contact?
> > >
> >
> >
Received on Wednesday, 20 September 2006 20:51:06 GMT

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