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Taxonomy (Tpdvt)

Definition
A classification of organisms into groups based on similarities of structure or origin; also the practice of classifying plants and animals according to their presumed natural relationships. Since the 1990s the term has also been used in other disciplines within the social and information sciences to refer to a collection of controlled vocabulary terms organized into a hierarchical structure in which each term is in one or more parent/child (broader/narrower) relationship/s to other terms in the taxonomy. (Source: Team: adapted from wordnet.princeton.edu and Ansi/Niso Z39.19 as cited in the Transportation Research Board website http://trt.trb.org/trt_glossary.asp)
Broader Term
Systematics (Tpdv)