Maintenance of the list of UCD words Version 1.20
A. Preite Martinez, S. Derrière, Nausicaa A. R. Delmotte, S. Derrière, Norman Gray, Robert B. Mann, Jonathan C. McDowell, Thomas Mc Glynn, F. Ochsenbein, P. Osuna, Andrea Preite Martinez, Guy T. Rixon, Roy Williams · 2006
According to what is stated in the IVOA Recommendation "An IVOA standard for Unified Content Descriptors", a procedural document should be created in order to maintain (add, change, suppress words) the standard list of UCD1+ words "The UCD1+ Controlled Vocabulary". This document describes the procedure to maintain the standard list of UCD1+ words.