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Subject: Re: [ubl-dev] UBL and CCTS: Improvement interoperability ?

Concluding from your replies there are only two full implementations of the CCTS if one categorizes a full implementation as having to comply to:
1) the use of the base data types as specified by the UN/CEFACT in the data type catalogue
2) the conceptual and logical data model

I still have a few questions: 
- In what perspective do the GDTs of SAP differ from UBL or UN/CEFACT ?
- Does it mean that CCTS standardized the logical data model ? Why can other standard organization not develop their own data models ? 
- What is the role of the CCL ? Can interoperability not be established if one ensures there is one common CCL ?  If every standards organization refers to the CCL and used for example the unique id in their definitions then it is just a matter of mapping values belonging to unique ids. Is that not what the UDEF is aiming at ?
kind regards,
Danny Gaethofs

----- Original Message ----
From: "Crawford, Mark" <mark.crawford@sap.com>
To: ubl-dev@lists.oasis-open.org
Sent: Friday, June 20, 2008 8:38:02 AM
Subject: RE: [ubl-dev] UBL and CCTS: Improvement interoperability ?

> My understanding is that UBL is the *only* implementation and 
> deployment of CCTS 2.01.

Ken - this might come as quite a surprise to a number of standards
organizations, government organizations, private sector companies, and
service providors who have CCTS implementations completely independent
of UBL.
> >The basic naming rules (DEN) seem to be adopted by most of those 
> >organizations. However what I could not find is an example of the 
> >key concept that improves interoperability, the use of the core and 
> >business data types.
> In the UBL schema set you will find CCTS 2.01 fragments with the 
> UN/CEFACT copyright.  I'm unaware of any other global project using 
> these schema fragments ... for example:
> http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/common/Unqualifi
> edDataTypeSchemaModule-2.0.xsd

Ken - The DT interoperability is just one aspect of the interoperability
of CCTS.  Yes people are referring to the base data types from CEFACT,
but much more importantly, they are doing this in the development of
their syntax neutral data models.  The DTs are the basis for both the
conceptual and logical data models.  The conceptual data model and
semantic focus are the keys to interoperability as every logical data
model is derived from a single ubiquituous data model.  The XML is a
trivial piece in the importance of, and interoperability created by,

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