|Definition||A controlled vocabulary is a formally maintained collection of terms agreed upon and used in a specific community for communication purposes.|
|Explanation|| Controlled vocabularies are accepted & maintained by a community with some degree of asigned, rigorous & understood definitions which may evolve and expand (or shrink & consolidate) over time as part of a management & review process.
Terms that are part of Controlled vocabularies are often intended to provide systematic values for populating structured metadata elements.
|Examples||Taxonomies are one type of controlled vocabulary. SNOMED is an example a controlled vocabulary for computer-based patient records.|
|References||After Currier Sarah, Lorna M. Campbell, Helen Beetham (2005). Pedagogical Vocabularies Review, JISC Pedagogical Vocabularies Project, Final Draft, 23rd December 2005 Pedagogical vocabularies project & https://marinemetadata.org/guides/vocabs/vocdef|
|Scope||RDA DFT Interest Group|