2 papers
astro-ph.IM2011
IVOA Recommendation: An IVOA Standard for Unified Content Descriptors Version 1.1
Sébastien Derriere, Norman Gray, Robert Mann +7
This document describes the current understanding of the IVOA controlled vocabulary for describing astronomical data quantities, called Unified Content Descriptors (UCDs). The pres…
astro-ph.IM2011
IVOA Recommendation: The UCD1+ controlled vocabulary Version 1.23
Andrea Preite Martinez, Sebastien Derriere, Nausicaa Delmotte +8
This document describes the list of controlled terms used to build the Unified Content Descriptors, Version 1+ (UCD1+). The document describing the UCD1+ can be found at the URL: h…