[DDI-users] DDI-users Digest, Vol 30, Issue 3

Wendy Thomas wlt at pop.umn.edu
Fri Jul 13 12:39:44 EDT 2007 

As Sanda noted this is valid in the DTD and does not seem to be valid in 
the the schema. In looking up the information in the DTD I noted a 
structure issue in the DTD that was a problem when it was converted to 
a schema. The form in the DTD reads as follows:

<!ELEMENT nation     (#PCDATA|txt|concept|%a.phrase;|%e.form;)*

It seems to have grabbed only the PHRASE and FORM structures in creating 
the schema. The latest date on the DTD (Jan 16, 2006) preceedes the schema 
data (April 15, 2006) so it appears to be a problem with the translation 
to schema from DTD. I'm copying this to Mark Diggory to look at.

Wendy



On Fri, 13 Jul 2007, Sanda Ionescu wrote:

> Hi,
> Sorry to respond so late !
> <txt> and <concept> under those elements are in fact legal.
> I had been wondering about them too, did a little digging, and found out
> they had in fact been added at some point in time.
> Please consult changes history at the beginning of DTD. You will find a
> note about how and when these were added.
> Sanda.
>
>
> Sanda Ionescu
> ICPSR
> University of Michigan
> P.O. Box 1248
> Ann Arbor, MI 48106
>
> Phone, Fax: 734-615-7890
> -----Original Message-----
> From: ddi-users-bounces at icpsr.umich.edu
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> To: ddi-users at icpsr.umich.edu
> Subject: DDI-users Digest, Vol 30, Issue 3
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>   1. Re: DDI v2-1: elements TXT and CONCEPT (Wendy Thomas)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 12 Jul 2007 13:49:46 -0500 (CDT)
> From: Wendy Thomas <wlt at pop.umn.edu>
> Subject: Re: [DDI-users] DDI v2-1: elements TXT and CONCEPT
> To: Data Documentation Initiative Users Group
> 	<ddi-users at icpsr.umich.edu>
> Message-ID:
> 	<Pine.SOC.4.64.0707121348190.8515 at trickster.socsci.umn.edu>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
> For DDI 2.1 the cannonical version is the DTD. I will ask the guys
> handling this on the SRG to look into the problem and get back to the
> list. (they may be doing it already :)
>
> Wendy
>
>
> On Thu, 12 Jul 2007, Fredy Kuhn wrote:
>
>> Hi all,
>>
>> I have a problem with the usage of sub element pairs 'txt' - 'concept'
> in DDI 2-1:
>>
>> The web pages 'Tree Structure' (*) and 'Whole Library' (**) display in
> DDI section 2 several of these pairs; example: <dataKind> 2.2.3.10.
>>
>> In schema 2-1, and according to Sourceforge history (***), these
> sub-elements were removed from study description elements, see revision
> 1.4:
>>
>> --- QUOTE ---
>>
>> The <txt> - <concept> pair illegally appears under <nation>,
> <geogCover>, <geogUnit>, <anlyUnit>, <universe>, <dataKind>, <timeMeth>,
> <sampProc>, <collMode>, <resInstru> in Study Desc., also under
> <universe> 4.1.5 ... ...
>>
>> !!!----- <txt> and <concept> are VALID FIELDS under <varGrp> (4.1.2
> and 4.1.3) and nCubeGrp (4.2.2 and 4.2.3) --------- !!!
>>
>> --- QUOTE END ---
>>
>> Thus, the TXT and CONCEPT tags are valid in DTD2.1, but not in
> schema2-1. Should we use them or not?
>>
>> Further more, by removing the sub-element <concept> from e.g.
> <datakind> or <sampProc>, how to markup the usage of a controlled
> vocabulary?
>>
>>
>> (*) Tree structure:
>> http://www.ddialliance.org/DDI/dtd/version2-1-tree.html
>>
>> (**) Whole library:
>> http://www.ddialliance.org/DDI/dtd/version2-1-all.html
>>
>> (***) Sourceforge DTD v2.1 (see revision 1.4):
>> http://ddi-alliance.cvs.sourceforge.net/ddi-alliance/ddi/w3c/Version2-
>> 1.xsd?view=log
>>
>>
>> BTW: Looking at DDI-3, I'm asking me how elements for which we use a
> controlled vocabulary (CV), e.g. 'data collection mode', should be
> marked up, i.e. how to specify the CV. Could one of the 'experts' give
> me a hint? I'm not yet too familiar with DDI-3.
>>
>> Best regards
>> freddy
>>
>>
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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
>
>
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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

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