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Subject: Re: [egov] Re: [huml] The Office of Justice Programs's (OJP) Justice XML Data Dictionay


Thanks, Duane,

This has been an instructive thread for me. I will follow-up as best 
I can and I look forward to investigating the Yellow Dragon registry 
product along with some other tools in the not too distant future.

Ciao,
Rex

At 3:05 PM -0700 5/19/03, Duane Nickull wrote:
>David / Rex et al:
>
>Thanks for the CC.
>
>What you both suggest is certainly feasible given the existing OASIS 
>Registry specs (well the ebXML one anyways - I am not sure you could 
>accomplish this in a UDDI registry).  RDF schemes to classify sets 
>of registry content is something that will likely be done.  IMO - it 
>may be akin to creating an extra layer however (unless I have 
>somehow missed some of this thread which I suspect may be true). 
>Since RDF is itself a classification scheme, having the Registry 
>classification scheme point at an RDF set first, which in turn 
>points at a the actual registry objects, may be overkill but hey - 
>what do I know.
>
>Using RDF as a classification "Guide" may be interesting and there 
>may be a specific use case for it however there may be a dependency 
>on XML itself.  The built in registry classification mechanism may 
>be more flexible in terms of accounting for non-XML syntax (UML).
>
>David has been working on an important part of aggregation called 
>CAM (Content Assembly Mechanism).  CAM would function like a schema 
>template whereby a user could declare the context it would be used 
>in, then a search of the registry would yield the appropriate 
>artifacts to populate the final schema instance with (assuming XML 
>was the end syntax - other end syntaxes may also be possible).
>
>CAM has an important role is providing a meta-description of payload 
>level aggregations.  XML Schema may be useful as an expression of 
>CAM but RDF may alos be useful.  I guess we'll have to wait for the 
>final draft to see what can be used.  I have a sneaking suspicion 
>that RDF may lack the necessary cardinality (multiplicity) operators 
>for advanced representation of metadata.
>
>Yellow Dragon Software hopes ot be able to offer our registry 
>product for download from our website sometime within the next 3-4 
>weeks.  I would invite people to download an evaluation copy and 
>test some of these scenarios out and share their experiences with us 
>all.
>
>Interesting conversation.  enjoy!!
>
>Duane Nickull
>--
>Yellow Dragon Software - http://www.yellowdragonsoft.com
>Service Oriented Architecture Components - ebXML, Web Services, SOAP
>Project Team lead - United Nations CEFACT eBusiness Architecture
>+1 (604) 726-3329
>***********************************
>
>
>Rex Brooks wrote:
>>
>>David,
>>h
>>We're agreed.
>>
>>I took the liberty of including you and Duane on the list for 
>>another posting related to this discussion. I look forward to 
>>hearing what Duane thinks.
>>
>>Ciao,
>>Rex
>>
>>At 10:13 AM -0400 5/17/03, David RR Webber - XML ebusiness wrote:
>>
>>>Rex,
>>>
>>>OK - we're on the same pages here!
>>>
>>>BTW - I think you should look at how storing RDFs into an OASIS Registry,
>>>using the classification scheme approach that OASIS provides, and
>>>then creating searches against that RDF could provide you with
>>>semantic cross-referencing.
>>>
>>>You can also manually setup associations across content, both
>>>internally and externally using the registry.
>>>
>>>I've CC:d Duane Nickull who can followup with you offline on these
>>>ideas to see how this might work.
>>>
>>>Always good when we can tie the work of multiple OASIS TC's
>>>together to produce the required solution.
>>>
>>>Cheers, DW.
>>>================================================================
>>>Message text written by Rex Brooks
>>>
>>>>
>>>What I am thinking now is how a tool that produces the kind of
>>>registry you describe would be very useful when applied to resources
>>>from an rdf schema that accompanies a given specfication, for those
>>>resources that can be used by such a tool, to produce quick
>>>comparisons from which an application developer could choose the best
>>>set for a given application.
>>>
>>><
>>
>>
>>
>
>
>--
>Yellow Dragon Software - http://www.yellowdragonsoft.com
>Service Oriented Architecture Components - ebXML, Web Services, SOAP
>Project Team lead - United Nations CEFACT eBusiness Architecture
>+1 (604) 726-3329
>***********************************
>
>
>
>You may leave a Technical Committee at any time by visiting 
>http://www.oasis-open.org/apps/org/workgroup/egov/members/leave_workgroup.php


-- 
Rex Brooks
GeoAddress: 1361-A Addison, Berkeley, CA, 94702 USA, Earth
W3Address: http://www.starbourne.com
Email: rexb@starbourne.com
Tel: 510-849-2309
Fax: By Request


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