Re: [search-ws] Describing an abstract model using UML

[Kerry Blinco <kblinco@powerup.com.au>]

Hi All

Sorry to be absent from the calls at the moment.  Will be back as soon as I can.

I just read the notes of the meeting and am pleased to read the recommendation to develop an abstract model.   Just to support Farrukhs recomendation to use UML diagrams (and the textual, and even tabular descriptions that accompany them),  the IMS have been using this format for their specifications for a number of years now and I find it a really useful way of producing and reading a specification once you get used to it! 

Regards

Kerry

On 08/12/2007, at 11:12 PM, Farrukh Najmi wrote:

Please see Figure 1 and Figure 2 in the regrep-rim-3.0.1-cd3.pdf in particular for use of UML to describe the infomodel.

Farrukh Najmi wrote:

It describes a detailed information model in abstract using UML and textual descriptions without a concrete XML Schema.

It provides an example of how one can describe an abstract model without having to use concrete schemas and wsdl etc.

Similarly the companion regrep-rs-3.0.1-cd3.pdf illustrates how protocols can be expressed in asbtract without needing WSDL.

As Buddha said to achieve enlightenment one must open their minds eye ;-)

LeVan,Ralph wrote:

Well, I waded through the first 60 pages of that 120 page document

(cd3.pdf) and saw nothing enlightening.

Farrukh, could you provide a little more accurate pointer to what you

think we should be seeing?

Thanks!

Ralph

-----Original Message-----

From: Farrukh Najmi [mailto:farrukh@wellfleetsoftware.com] Sent: Friday, December 07, 2007 4:14 PM

To: rden@loc.gov

Cc: search-ws@lists.oasis-open.org; azaroth@LIVERPOOL.AC.UK

Subject: Re: [search-ws] Groups - Teleconference modified

rden@loc.gov wrote:

...

 

The base specification will probably be relatively easy, the hard part

    

will be figuring out how to make Explain represent this abstract model.

 

      

This is actually quite easy. The solution is to use UML diagrams to

describe infomodel classes and their relationships and textual

descriptions to describe attributes of classes and any constraints on

them. See regrep-rim-3.0.1-cd3.pdf in following for an example:

http://www.oasis-open.org/committees/download.php/23648/regrep-3.0.1-cd3

.zip

I realize some find UML unfamiliar. This can easily be addressed by

adding 3-4 pages of boiler plate description that we can borrow from

other specs.

With that blueprint it is a lot more obvious and familiar.

  

-- 

Regards,

Farrukh Najmi

Web: http://www.wellfleetsoftware.com

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Kerry Blinco
e-Framework and Standards Manager, Link Affiliates, University of Southern Queensland; and
Technical Standards Adviser to the Department of Education Science and Training (DEST).  Australia.
Email:     kblinco@powerup.com.au
Phone:   +61 7 3871 2699             
Ph (Mobile) :    +61 419 787 992

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