[DDI-SRG] Schema module imports

[Wendy Thomas]

As I recall we talked about Group only importing StudyUnit and Comparative 
because we were going to make a separate ResourcePackage that would allow 
packaging reusable resources.

Wendy


On Thu, 3 Jan 2008, arofan.gregory wrote:

>
> Folks:
>
> Here is a breakdown of the imports in the current (CR2a) draft of the
> schemas.
>
> I will try to come up with a set of suggested changes, but I will note a few
> issues here:
>
> - xml.xsd is imported into too many schemas. This is messy and not needed.
>
> - We know that there are issues with dataset, as Achim has identified.
>
> - It seems like there is some random/inconsistent importing going on. We
> need to decide which modules can be instantiated as stand-alones, and then
> remove some of the imports. Note that everything which is non-end-node (such
> as dcelements and xml.xsd) imports the resuseable.xsd schema. Also, merging
> archive.xsd and organization.xsd removes much of the messiness and
> inconsistency.
>
> It would be possible to have everything always exist inside a DDIInstance
> element, and we could simply import everything at that level and not worry
> about it. This may be a bit draconian, but if we do anything else we will
> need to think about which modules can be instantiated (perhaps Group,
> StudyUnit, ResourcePackage, etc.) Note that if we make such a policy, it
> will not be enforced by the parser, only by the documentation.
>
> Anyway, let me know what you think, and I will try to formulate a plan for
> cleaning these up.
>
> Cheers,
>
> Arofan
>
> _______________________________
>
> Schema Imports for DDI 3.0 CR2a
> _______________________________
>
>
> archive.xsd
>
> - reusable.xsd
> - organization.xsd (pre-CR3)
>
> comparative.xsd
>
> - conceptalcomponent.xsd
> - datacollection.xsd
> - logicalproduct.xsd
> - reusable.xsd
>
> conceptualcomponent.xsd
>
> - reuseable.xsd
>
> datacollection.xsd
>
> - xml.xsd
> - reuseable.xsd
>
> dataset.xsd
>
> - reuseable.xsd
> - physicaldataproduct.xsd
>
> dcelements.xsd
>
> - simpledc20021212.xsd
>
> ddiprofile.xsd
>
> - reuseable.xsd
>
> ddi-xhtml11.xsd
>
> - xml.xsd (everything else is with includes)
>
> ddi-xhtml11-model-1.xsd
>
> [None]
>
> ddi-xhtml11-modules-1.xsd
>
> [None]
>
> group.xsd
>
> - reusable.xsd
> - archive.xsd
> - comparative.xsd
> - conceptualcomponent.xsd
> - datacollection.xsd
> - logicalproduct.xsd
> - physicaldataproduct.xsd
> - physicalinstance.xsd
> - ncube_recordlayout.xsd
> - tabular_ncube_recordlayout.xsd
> - inline_ncube_recordlayout.xsd
> - studyunit.xsd
> - organization.xsd (Pre-CR3)
> - ddiprofile.xsd
>
> inline_ncube_recordlayout.xsd
>
> - xml.xsd
> - reuseable.xsd
> - physicaldataproduct.xsd
>
> instance.xsd
>
> - xml.xsd
> - reuseable.xsd
> - archive.xsd
> - dcelements.xsd
> - group.xsd
> - studyunit.xsd
>
> logicalproduct.xsd
>
> - reuseable.xsd
>
> ncube_recordlayout.xsd
>
> - xml.xsd
> - reuseable.xsd
> - physicaldataproduct.xsd
>
> organization.xsd (Pre-CR3 - moves into archive.xsd in CR3)
>
> - reuseable.xsd
>
> physicaldataproduct.xsd
>
> - xml.xsd
> - resuable.xsd
>
> physicalinstance.xsd
>
> - reuseable.xsd
>
> reuseable.xsd
>
> - xml.xsd
> - ddi-xhtml11.xsd
> - dcelements.xsd
>
> simpledc20021212.xsd
>
> - xml.xsd
>
> studyunit.xsd
>
> - reusable.xsd
> - archive.xsd
> - conceptualcomponent.xsd
> - datacollection.xsd
> - logicalproduct.xsd
> - physicaldataproduct.xsd
> - physicalinstance.xsd
> - ncube_recordlayout.xsd
> - tabular_ncube_recordlayout.xsd
> - inline_ncube_recordlayout.xsd
> - ddiprofile.xsd
>
> tabular_ncube_recordlayout.xsd
>
> - xml.xsd
> - reuseable.xsd
> - physicaldataproduct.xsd
>
> xml.xsd
>
> [None]
>
>
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>

Wendy L. Thomas                          Phone: +1 612.624.4389
Data Access Core Director		 Fax:   +1 612.626.8375
Minnesota Population Center              Email: wlt at pop.umn.edu
University of Minnesota
50 Willey Hall
225 19th Avenue South
Minneapolis, MN 55455