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Subject: RE: [ubl] PLENARY REPORT FROM THE UBL TC MEETING IN HANGZHOU 9 MAY - 13 MAY 2005
Tim Wrote: >I dont want to get anyone too excited until we see the first prototype. >For now lets just say we are trying to rationalize the models against the >schemas and also ensure the models are extendable and managable into the future. >The idea we are looking is three levels: >* things that are only of interest to one document type >* things that are only of interest in one context of use >* things that are of interest to everybody. Two points here. First, level one is what we intended for internal schema modules. Levels 2 and three are what we intended for the CBC and CAC schema modules. Second, regardless of which of the three levels you are working in, CCTS requires that ANY BIE is based on a corresponding CC. Specifically: " [B1] A Business Information Entity shall be a Basic Business Information Entity, an Association Business Information Entity or an Aggregate Business Information Entity [B2] A Business Information Entity shall be defined by one or more Business Contexts [B3] A Basic Business Information Entity shall be based on a Basic Core Component [B4] An Association Business Information Entity shall be based on an Association Core Component [B5] An Aggregate Business Information Entity shall be based on an Aggregate Core Component" There is no equivocation in CCTS. In the past we have claimed conformance to CCTS, despite not adhering to these rules - in large part because we were waiting for CEFACT to produce their library of CC's. In the future, we must 1) define our own Core Components, or 2) reuse CEFACT Core Components, or else 3) drop all claims of CCTS conformance. Option 3 is unacceptable and will result in significant loss of support for UBL. It seems to me the only viable choice is a combination of 1 and 2. Map all of our BIEs to the TBG17 CC library, and create candidate CCs where one does not exist. As a matter of fact, if we want our BIE submission to be considered at all by TBG17, we must do exactly that. Otherwise it will most certainly be rejected as non-conformant with CCTS and thus unprocessable in the TBG17 harmonization process. Mark
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