An IVOA Standard for Unified Content Descriptors:Version 1.10

  title={An IVOA Standard for Unified Content Descriptors:Version 1.10},
  author={S{\'e}bastien Derriere and Norman Gray and Robert G. Mann and Andrea Preite Mart{\'i}nez and Jonathan C. McDowell and Thomas Mc Glynn and F. Ochsenbein and P. Osuna and Guy Rixon and Roy Williams},
  • Sébastien Derriere, Norman Gray, +7 authors Roy Williams
  • Published 2005
  • Physics, Computer Science
  • This document describes the current understanding of the IVOA controlled vocabulary for describing astronomical data quantities, called Unified Content Descriptors (UCDs). The present document defines a new standard (named UCD1+) improving the first generation of UCDs (hereafter UCD1). The basic idea is to adopt a new syntax and vocabulary requiring little effort for people to adapt softwares already using UCD1. This document also addresses the questions of maintenance and evolution of the UCD1… CONTINUE READING

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