[auscope-geosciml] "Proportion" data type in GeoSciML v3 [SEC=UNCLASSIFIED]

Bruce.Simons at dpi.vic.gov.au Bruce.Simons at dpi.vic.gov.au
Mon Jan 24 21:39:58 EST 2011

Hi Ollie,
The reasoning for numbers was that these are 'universally' searchable. The 
intention here was that instead of mapping your local terms ('major', 
'minor', 'dominant' etc) to a common CGI vocabulary, and then searching on 
that vocabulary, the data provider maps their terms directly to a numeric 

Hey presto - instant interoperability without the need for a vocabulary 

Bruce Simons

Ph: +61-3-9658 4502
Fax: +61-3-9658 4555 
Mobile: +61 429 177155

From:   <Oliver.Raymond at ga.gov.au>
To:     <auscope-geosciml at lists.arcs.org.au>
Date:   25/01/2011 01:32 PM
Subject:        [auscope-geosciml] "Proportion" data type in GeoSciML v3 
Sent by:        auscope-geosciml-bounces at lists.arcs.org.au

Hi all,
I think we may have been a bit over zealous in constraining the model by 
limiting the various occurrences of "proportion" in GeoSciML v3 to be 
CGI_NumericRange (eg: GeologicUnitPart/proportion, 
CompositionPart/proportion).  I have found that my available "proportion" 
data is in the form of "major", "minor", "dominant", "trace", etc and I am 
unable to deliver this data in a numeric form.  Searching back through the 
instance docs of Testbed3 (GeoSciML v2 allowed text or numbers) indicates 
that text is the common format of "proportion" data, not numbers.
Can anyone remember the reasoning behind the change to numbers only for 
"proportion"?  Otherwise, I suggest we change the model to accommodate 
text values for "proportion".
Comments please,

Ollie Raymond

National Geological Maps and Data Standards Project
Geoscience Australia

Interoperability Working Group
IUGS Commission for the Management and Application of Geoscience 

Address: GPO Box 378, Canberra, ACT, 2601, Australia | ABN: 80 091 799 039
Ph: +61 2 62499575 | Fax: +61 2 62479992 | Email: oliver.raymond at ga.gov.au 
| Google Map 
Geoscience Australia web services  -  

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