The 'Abstract Resource Description Vocabulary' (aardv) is the least common denominator for the discovery vocabularies XRD, POWDER, and voiD.

A vocabulary to describe Web form widgets. Strongly aligned with the meta model of HTML Web forms. A RESTful service that can render HTML Web forms from RaUL models can be found...

This document specifies an extended version of SCOVO, a vocabulary for representing statistical data on the Web. The extension covers aggregates of dimensions.