History
Darwin Core was originally created as a Z39.50 profile by the Z39.50 Biology Implementers Group (ZBIG), supported by funding from a USA National Science Foundation award. The name "Darwin Core" was first coined by Allen Allison at the first meeting of the ZBIG held at the University of Kansas in 1998 while commenting on the profile's conceptual similarity with Dublin Core. The Darwin Core profile was later expressed as an XML Schema document for use by the Distributed Generic Information Retrieval (DiGIR) protocol. A TDWG task group was created to revise the Darwin Core, and a ratified metadata standard was officially released on 9 October 2009.
Though ratified as a TDWG/Biodiversity Information Standards standard since then, Darwin Core has had numerous previous versions in production usage. The published standard contains a history with details of the versions leading to the current standard.
| Name | Namespace | Number of terms | XML Schema | Date Issued |
|---|---|---|---|---|
| Darwin Core 1.0 | Not Applicable | 24 | (Z39.50 GRS-1) | 1998 |
| Darwin Core 1.2 (Classic) | http://digir.net/schema/conceptual/darwin/2003/1.0 | 46 | 2001-09-11 | |
| Darwin Core 1.21 (MaNIS/HerpNet/ORNIS/FishNet2) | http://digir.net/schema/conceptual/darwin/2003/1.0 | 63 | 2003-03-15 | |
| Darwin Core OBIS | http://www.iobis.org/obis | 27 | 2005-07-10 | |
| Darwin Core 1.4 (Draft Standard) | http://rs.tdwg.org/dwc/dwcore/ | 45 | 2005-07-10 | |
| Darwin Core Terms (properties) | http://rs.tdwg.org/dwc/terms/ | 172 | 2009-10-09 |
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