I think this effort may be premature. At ISWC this year, Pat Hayes issued a
call to substantially revise RDF in a way that is upwardly compatible and
which resolves several outstanding problems with the representation. The
most severe of these problems has resulted in the creation of several new
languages on top of RDF (OWL is an example) whose semantics are not
compatible with the base semantics of RDF. In other words, RDF is being used
as an interchange format.
While I think Cory's proposal is very much in the right direction, I would
like to see the outcome of the debate on Pat's proposals before committing
to creating yet another semantic representation on top of RDF.
Thanks, Jim (01)
-----Original Message-----
From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Kingsley Idehen
Sent: Thursday, December 17, 2009 2:15 PM
To: uk-government-data-developers@xxxxxxxxxxxxxxxx
Cc: semweb-31@xxxxxxxxxx; ACT-IAC@xxxxxxxxxx;
ontolog-forum@xxxxxxxxxxxxxxxx; Ontology PSIG; eGovIG IG
Subject: Re: [ontolog-forum] [uk-government-data-developers] OMG Issues RFP
for Linking Architectures & Models with RDF Linked Open Data (02)
Cory Casanave wrote:
>
> At the technical committee meeting last week in Long Beach California,
> the Object Management Group issued a request for proposals to provide
> better connectivity between models and modeling languages defined in
> OMG and RDF Linked Open Data.
>
> The OMG (www.omg.org <http://www.omg.org/>) is the premier standards
> organization for modeling, middleware and architecture. OMG standards
> include UML, BPMN, UPDM (UML Profile for DoDAF), SoaML, SysML,
> Ontology Definition Metamodel, Model Driven Architecture (MDA),
> Records Management, Corba and may others. All of these modeling
> standards are based on the "Meta Object Facility" (MOF) which uses the
> XMI interchange format for model interoperability.
>
> The RFP issued last week will result in a standard for representing
> all MOF based models and modeling languages using RDF and Linked Open
> Data. This has multiple advantages: All OMG-MOF based models (UML,
> BPMN, SOA, UPDM, Etc) will be able to be published as Linked Open Data
> and thus take advantage of the LOD tools and community. This will
> allow architectural information to be linked, queried with and
> analyzed with other kinds of information on the web and will also
> allow architectures to be linked and queried with architectures in
> incompatible models. Architectures as data will become first-class
> citizens in the global data cloud.
>
> The RFP asks for a "Structural mapping" which means that the model
> vocabulary remains unchanged. For example, a UML model retains the UML
> vocabulary. The structural mapping can then convert any kind of model
> without information loss, but it does not translate between
> vocabularies as is done in the UML class diagram to OWL mapping
> defined in the Ontology Definition Metamodel. Other semantic mappings
> and ontologies are expected in the future.
>
> More information on the details can be found in the RFP document here:
> http://www.omg.org/cgi-bin/doc?ad/2009-12-09
>
> /The objective of the RFP is summarized as follows:/
>
> *Title: MOF to RDF Structural Mapping in support of Linked Open Data*
>
> RDF and Linked Open Data (LOD) have become important technologies for
> exposing, managing, analyzing, linking and federating data and
> metadata. This set of RDF based technologies, sometimes known as the
> "Semantic Web" or "Web 3.0", are emerging as the lingua franca of data
> on the web. Major initiatives such as the President's open government
> initiative are moving to the use of RDF & Linked Open Data as the
> foundation for publishing all government data and metadata in support
> of transparency. OMG & MOF based models should be a part of the LOD
> and Web 3.0 data cloud.
>
> The objective of this RFP is to define a structural mapping between
> OMG-MOF models and RDF to provide for better integration of MDA and
> LOD, to enable the ability to apply LOD capabilities to MOF compliant
> models and to make the information available in MOF compliant models
> available as LOD web resources. Any MOF based model should be able to
> become a LOD resource.
>
> The model/LOD connection is also very good news for the *Open
> Government Initiative* which calls for government to be more open,
> visible, collaborative and participatory. Government architectures are
> the primary source of structured information about government
> processes, services, rules and data. As such the data contained in
> these models, which will become visible as Linked Open Data, will
> further the open government initiative.
>
> ModelDriven.org has done a preliminary open source implementation of
> this mapping as part of the Enterprise Knowledge Base (EKB) project
> (http://portal.modeldriven.org/project/EKB). Those interested in
> participating in the standards and/or open source efforts are welcome
> to contact us for more information on how to engage. Cory Casanave,
> who championed the RFP, may be contacted at: (cory-c at modeldriven
> dot com).
>
> Please forward this notice to other interested parties in the ontology
> and modeling communities.
>
Great news!! (03)
Any chance of a URL to an HTML or XHTML doc? Word, PDF, and Open Office
as only options just doesn't play well, especially if the theme is about
Web of Linked Data etc. :-) (04)
-- (05)
Regards, (06)
Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO
OpenLink Software Web: http://www.openlinksw.com (07)
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