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Subject: Fwd: CPSIN IJI recommendations
UBL TC, Duane Nickull has kindly forwarded the following document, entitled "Recommendations for placement of CPSIN IJI Data Dictionary Data Elements into an ebXML / ISO-IEC 11179 Metadata Facility." He describes its relevance to UBL as follows: The report contains the details of implementing the UN/CEFACT CCTS methodology (albeit within the vertical of law enforcement/justice) including Context methodology within an ebXML Registry/repository system. I feel this is highly relevant to the UBL context group. We ran across many problems implementing this and had to raise certain questions. 1. The use of context within the methodology of CCTS can be implemented by use of an XML context declaration. This will encompass 7 context categories in alignment with CCTS v 2.0. The problem of serialization was solved via the XML representation in such a way as to preserve forwards compatibility. The issues of too many context combinations arose and we feel we have solved the problems and successfully demonstrated how to implement this using the ebXML registry/repository. 2. The assembly of several smaller data elements into a larger aggregation was addressed. We built an XML context based assembly mechanism and ran it through some tests. It passed with flying colors. 3. The use of a registry/repository to contain individual data elements may also be relevant. We had to harmonize a data dictionary with an existing data model, CCTS, ISO/IEC 11179 2002 Part 3 and ebXML Regrep. after reconciling the models, we feel that there is some value for other groups to be aware of this work. I would also note that this report appears to be relevant to the issue of when and how to enter UBL into the ebXML-based Standards Registry just announced by OASIS. Jon
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