Re: [soa-rm-ra] OASIS' Ref Ontology for SOA

[Ken Laskey <klaskey@mitre.org>]

They define Semantic Web Services (SWS) as "self-contained, self-describing, semantically marked-up software resources that can be published, discovered, composed and executed across the Web in a task driven semi-automated way".  They state further that SWS "can be defined as the dynamic part of the semantic web".

I believe their intent is to distinguish SWS from web services where the only description is WSDL.

Basically, SOA-RA looks toward everything they want in a SWS except we don't push the details of how you represent the description.  We agree on the type of information you need and what you intend to accomplish if you have it.  We have no problems with it being connected with the semantic web, we just don't require it.  We also talk about mediation and while it certainly sounds necessary, we don't require it either.

I need to look at the details, but I expect it is an implementation of our more abstract discussion.

Ken

On Dec 1, 2008, at 2:36 PM, Danny Thornton wrote:

At this point, quite a bit of the document is currently a review of
Ontologies in general and the OASIS SOA RM.  Currently, section 4
contains most of the new material.  The emphasis of section 4 is
semantics based service description with the inclusion of mediators for
the purpose of automated ontology-based reasoning for matching needs and
capabilities in a SOA-based ecosystem.

Comparing and contrasting the OASIS Ref Ontology for SOA with the OASIS
SOA RA would mostly be a comparison between section 4 of the Ref
Ontology for SOA and Section 4.1, Service Description, of the OASIS SOA
RA. With some time and effort, this could be a merging point between the
two documents.

The Reference Ontology for Semantic Service Oriented Architectures does
distinguish itself from the OASIS SOA RA by stating:

"The Reference Ontology presented in this document is a further step
towards formalization of the Reference Model but also accommodates the
extensions associated with Semantic Web Services resulting in Semantic
SOAs. Since the start of this work, the SOA-RM committee have also
started work on a Reference Architecture, which also aims at further
formalisation of the reference model, but we consider ontologisation
central to the semantics-based approach and diverge. Indeed when we say
Reference Architecture we shall refer to a reference architecture for
SEEs, not to the SOA Reference Architecture.  Furthermore when we say
Concrete Architectures we refer to implementations of semantics-enabled
SOAs such as WSMX [2] , IRS III [3] and METEOR-S [4] ."

Danny

-------- Original Message --------
Subject: [soa-rm-ra] OASIS' Ref Ontology for SOA
From: "Estefan, Jeff A" <jeffrey.a.estefan@jpl.nasa.gov>
Date: Mon, December 01, 2008 7:00 am
To: "soa-rm-ra@lists.oasis-open.org" <soa-rm-ra@lists.oasis-open.org>

 Duane and Frank,

Was wondering if you’ve seen this body of work (see attached spec).
Unlike TOG SOA ontology, this reference ontology for SOA is based off
the SOA-RM.  I didn’t even realize this spec existed until recently
when I was trying to come up to speed with SOA work in the open
standards communities.

Cheers…

 - Jeff, JPL

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