[DDI-SRG] Namespaces and standard prefixes

[Wendy Thomas]

You do realize you have both datacollection and dublincore as dc:

I will put this on the agenda but please be aware that we have a number of 
bugs we have to address and resolve. I guess what I'm asking is how big an 
issue is this? What Arofan presented is pretty much what has been in the 
documentation and high level documentation all along.

Wendy



On Mon, 18 Feb 2008, Joachim Wackerow wrote:

> As Pascal I would like to discuss this at Thursday.
>
> In general the one-letter codes seem to be only meaningful when no other
> module exists with the same starting letter. Numbers are never
> meaningful for functions, so here another solution should be found.
>
> An approach with two- or three-letter codes would offer a mnemonic
> system which is expandable in future by new modules. The default
> prefixes are just a recommendation, but anyway they should be
> constructed in a consistent and expandable way.
>
> A suggestion along this approach would be:
>
> ddi:archive:3_0_CR3, archive.xsd, "ar:"
> ddi:comparative:3_0_CR3, comparative.xsd, "cm:"
> ddi:conceptualcomponent:3_0_CR3, conceptualcomponent.xsd, "co:"
> ddi:datacollection:3_0_CR3, datacollection.xsd, "dc:"
> ddi:dataset:3_0_CR3, dataset.xsd, "ds:"
> ddi:dcelements:3_0_CR3, dcelements.xsd, "dc:"
> ddi:profile:3_0_CR3, ddiprofile.xsd, "pr:"
> ddi:group:3_0_CR3, group.xsd, "gr:"
> ddi:physicaldataproduct/ncube/inline:3_0_CR3,
> inline_ncube_recordlayout.xsd, "nci:"
> ddi:instance:3_0_CR3, instance.xsd, "in:"
> ddi:logicalproduct:3_0_CR3, logicalproduct.xsd, "lo:"
> ddi:physicaldataproduct/ncube/normal:3_0_CR3, ncube_recordlayout.xsd, "nc:"
> ddi:physicaldataproduct:3_0_CR3, physicaldataproduct.xsd, "pd:"
> ddi:physicalinstance:3_0_CR3, physicalinstance.xsd, "pi:"
> ddi:physicaldataproduct/proprietary:3_0_Beta,
> proprietary_recordlayout.xsd, "pry:"
> ddi:reusable:3_0_CR3, reusable.xsd, "re:"
> ddi:studyunit:3_0_CR3, studyunit.xsd, "su:"
> ddi:physicaldataproduct/ncube/tabular:3_0_CR3,
> tabular_ncube_recordlayout.xsd, "nct:"
>
> Achim
>
> Wendy Thomas wrote:
>> Pascal,
>>
>> The practice up to this point has been single letters r: l: s: etc. as
>> used in the samples and import stateements to date. The use of a letter
>> number combination for the BaseRecordLayout substitution groups seems to
>> be the most logical in that this is an area where we would expect future
>> growth. Trying to provide them all with unique prefixes that relate to
>> their names is really not practical. It looks like the other major change
>> was to use dc for dublincore (which is their standard prefix).
>>
>> Wendy
>>
>>
>> On Mon, 18 Feb 2008, Pascal Heus wrote:
>>
>>> Arofan:
>>> for the prefixes, is this your list or an official DDI3 one? I've been of
>>> course using a slightly different version. I typically at least use 2 or 3
>>> letters (1 is not very explicit) and I'm not particularly for the m1,2,3,4 as
>>> it doesn't provide any meaning. Is this something we should discuss Thursday?
>>> *P
>>>
>>>
>>> A. G. wrote:
>>>> Folks:
>>>>  Here are module namespaces, filenames, and standard prefixes as used in
>>>> CR3: http://www.w3.org/XML/1998/namespace, xml.xsd, "xml:" (always inherent
>>>> in XML!)
>>>> ddi:archive:3_0_CR3, archive.xsd, "a:"
>>>> ddi:comparative:3_0_CR3, comparative.xsd, "cm:"
>>>> ddi:conceptualcomponent:3_0_CR3, conceptualcomponent.xsd, "c:"
>>>> ddi:datacollection:3_0_CR3, datacollection.xsd, "d:"
>>>> ddi:dataset:3_0_CR3, dataset.xsd, "ds:"
>>>> ddi:dcelements:3_0_CR3, dcelements.xsd, "dc:"
>>>> ddi:profile:3_0_CR3, ddiprofile.xsd, "pr:"
>>>> ddi:group:3_0_CR3, group.xsd, "g:"
>>>> ddi:physicaldataproduct/ncube/inline:3_0_CR3,
>>>> inline_ncube_recordlayout.xsd, "m3:"
>>>> ddi:instance:3_0_CR3, instance.xsd, "i:"
>>>> ddi:logicalproduct:3_0_CR3, logicalproduct.xsd, "l:"
>>>> ddi:physicaldataproduct/ncube/normal:3_0_CR3, ncube_recordlayout.xsd, "m1:"
>>>> ddi:physicaldataproduct:3_0_CR3, physicaldataproduct.xsd, "p:"
>>>> ddi:physicalinstance:3_0_CR3, physicalinstance.xsd, "pi:"
>>>> ddi:physicaldataproduct/proprietary:3_0_Beta, proprietary_recordlayout.xsd,
>>>> "m4:"
>>>> ddi:reusable:3_0_CR3, reusable.xsd, "r:"
>>>> ddi:studyunit:3_0_CR3, studyunit.xsd, "s:"
>>>> ddi:physicaldataproduct/ncube/tabular:3_0_CR3,
>>>> tabular_ncube_recordlayout.xsd, "m2:"
>>>>  Cheers,
>>>>  Arofan
>>>> ------------------------------------------------------------------------
>>>>
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>>>> DDI-SRG at icpsr.umich.edu
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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
>> _______________________________________________
>> DDI-SRG mailing list
>> DDI-SRG at icpsr.umich.edu
>> http://www.icpsr.umich.edu/mailman/listinfo/ddi-srg
>
>
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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