2009-07-14 Generate SKOS encoding of vocabulary from Excel spreadsheet.
2009-12-07 SMR Update metadata properties for version, creator, title, and format.
Change skos:HistoryNote to dc:source for information on origin of terms and definitions.
2010-02-08. SMR Clean up namespace declarations so concept URI's follow CGI URN scheme;
concepts have URN, are not document fragments.
2010-11-27 SMR update URN to http URI, create version 201202
2012-02-07 SMR update URI to replace numeric final token with English-language string
as in original URN scheme.
2012-02-27 SMR add skos:exactMatch triples to map URIs for concepts in this vocabulary
to number-token URIs in 201012 version of same concepts.
2012-11-24 SMR Update to 201211 version; add collection entity, check all pref labels
are lower case, remove owl:NamedIndividual and Owl:Thing rdf:types.
2016-06-15 OLR - reformat Excel spreadsheet to work with XSLT, to make consistent
SKOS-RDF with all CGI vocabularies. No change to 2012-11 concepts. Generate new SKOS-RDF
This scheme describes codes used to specify the intended scope of a description of
a GeologicFeature, as defined by the IUGS Commission for Geoscience Information (CGI)
Geoscience Terminology Working Group. By extension, it includes all concepts in this
conceptScheme, as well as concepts in any previous versions of the scheme. Designed
for us in the "purpose" property in GeoSciML GeologicFeature elements.
This file contains the 2016 SKOS-RDF version of the CGI Description Purpose vocabulary.
Compilation and review in MS Excel spreadsheet, converted to MS Excel for SKOS generation