2017-07-12T03:04:30Z
2022-06-15T20:09:56Z
A taxonomy is a flat, hierarchical (i.e., tree), set-theoretic, or graph-theoretic structure relating a set of categories to one another. Examples: the Linnaean Taxonomy relates categories of life form, NAICS relates categories of industry, and the Dewey Decimal System relates categories of books.
https://en.wikipedia.org/wiki/Dewey_Decimal_Classification
https://en.wikipedia.org/wiki/Linnaean_taxonomy
https://en.wikipedia.org/wiki/North_American_Industry_Classification_System
taxonomy