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Subject: Modeling Core Component Types
The UBL Library has been built upon a set of data types/core component types defined by the CEFACT CCTS v2.0 specification. To date, we have relied upon hand crafted schemas to define these. This has resulted in a few problems... a. the schemas have to be mapped to the representation terms in the UBL models. b. they have not always bewen synchronized with other deliverables c. the provide a disjointed view of the overall UBL library. Over the past few weeks we had had various discussions about how to deal with this in a more controlled manner. One of the options is to go back to our basic design approach and create models of these from which XSD code can be generated. I know the Michael Dill has been keen to see this. To this end I have dug into the CCTS specification and created a model of the Core Component Types - both as a UML Class Diagram and a UBL format spreadsheet model. These are attached. My objective was to create structures that modelled the Dictionary Entry Names in the specification. I would be interested in other opinions on this strategy - particularly Michael and the TBG17 group. PS this exercise exposed a few typos (i suspect) in the specification so few objects have slightly different names. -- regards tim mcgrath phone: +618 93352228 postal: po box 1289 fremantle western australia 6160
UBL-CoreComponentTypes-draft1.xls
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