5279 20210204112303.0 CTALK-2021-0046 Delouille, V. Unified content descriptors (UCD) in solar physics 2020 2020-02-05 NO ESCAPE- WP4 Technology Forum 1 veronique.delouille@observatoire.be https://indico.in2p3.fr/event/20005/ Contributed CTALKCONT