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Subject: RE: Suggestion about metamodel

Hi Karsten,

I agree with your proposal, but I feel we may need to precise the role of 
the BusinessProcessActivityModel.
Does it only represent internal business process. (I think it can)
Is it used to specified shared business processes above


-----Original Message-----
From: Karsten Riemer - Sun IR Development
Sent: mardi 10 octobre 2000 15:24
To: ebxml-bp@lists.ebxml.org; ebxml-ccbp-context@lists.ebxml.org
Subject: Suggestion about metamodel

Hi Jim, and others who have studied the current BP metamodel:

I would like to suggest that we move the "BusinessProcessActivityModel"
element out of the BOM and into the BOV. To me the
and its set of Business Tasks are the logical first level of the BOV, i.e.
place where you define your business process as a set of steps, where each
then gets represented as a BusinessCollaborationProtocol.

So I think I am suggesting two things at once. 

The first is merely a presentation aspect. By moving the 
BusinessProcessActivityModel out of the BOM, the BOM more clearly focuses
on the categorization of business processes and the mapping of their mutual 
transition to each other. By moving BusinessProcessActivityModel to the BOV
more clearly see all the layers minimally required to define the flow of a 
single business process.

The second part of my suggestion has more impact. I am suggesting that the 
BusinessTasks within a BusinessProcessActivityModel map directly to a 
BusinessCollaborationProtocol, rather than via a
This would be much simpler for modeling the business process sequence top to

I realize the impacts in that then we need a better place to tie in the REA 
model. I would suggest that that, too, could be at
level. We have been discussing a good reification approach for the REA
I also realize that there are other attributes of
that need to be carried forward to the BOV level, and if my suggestion is to

work, we need to address those as well.

The main thrust of this proposal is to be able to define a business process 
sequenc in terms of:
instead of the current


What do other people think?



Karsten Riemer,
Director, Information Architecture,
Enterprise Management Architecture Group
Sun Microsystems Inc.,
MailStop UBUR03-313
1 Network Drive,
Burlington, MA 01803-0903

ph. 781-442-2679
fax 781-442-1599
e-mail karsten.riemer@sun.com

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