@prefix ns1: . @prefix rdfs: . @prefix skos: . a skos:Concept ; ns1:hasProfile ; rdfs:seeAlso , ; skos:definition "The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian."@en ; skos:exactMatch ; skos:notation "cd" ; skos:prefLabel "candela"@en .