Welcome to the NCD web
Welcome to the home of NCD. This web-based collaboration area (wiki) is used for discussions of the NCD Subgroup of the Biodiversity Information Standards (TDWG)
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. This wiki is open to anyone interested in the topic, but you must be a registered user to edit pages and add content.
For more information, please contact:
- Neil Thomson (n.thomson AT nhm.ac.uk), Subgroup Convener, or
- Ricardo Pereira (ricardo-at-tdwg-dot-org), System Administrator
Table of Contents
Introduction to Natural Collections Descriptions (NCD)
Natural Collections Descriptions is an emerging data standard for describing collections of natural history materials at the collection level - in other words, one NCD record describes one entire collection.
It is intended primarily as a lightweight resource description standard that is specific to natural history and lies between general resource discovery standards such as Dublin Core (DC) and rich collection description standards such as the Encoded Archival Description (EAD). However, it should be possible to extract a Dublin Core record from an NCD record for use with general resource discovery systems or, going in the other direction, to use an NCD record as the seed for a much richer collection description as and when time allows.
NCD is intended to cover any type of natural history collection, such as specimens, original artwork, archives, observations, library materials, datasets, photographs or mixed collections such as those that result from expeditions and voyages of discovery.
The charter and further information may be found at the NCD Website
Latest Version and Related Files
NCD has reached version 0.9 and is being submitted (August 2008) to the TDWG approvals process through the Open Journal System. Once approved, it will be released as version 1.0
The latest normative files are in RDF and may be found in the TDWG resource directories:
The NCD files are Collection.rdf, CollectionType.rdf, Institution.rdf, InstitutionType.rdf and ContactDetails.rdf
Auxilliary files may be found as attachments at the foot of this page, including a draft of the 2008 submission document.
Links to Discussion Topics
Work carried out from April 2nd to September 14th 2007
The 2005 and 2006 workshops were held at the Smithsonian Institution, Washington, DC.
The 2007 Workshop was held at ETI in Amsterdam, 18th-19th June, 2007. The workshop reports for 2006, 2007 and other deliverables are available at the NCDWorkShops
No workshop took place in 2008.
Background Reading and Related Activities