@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix time: <http://www.w3.org/2006/time#> .

time:DurationDescription a owl:Class ;
    rdfs:label "duration description"@en ;
    rdfs:comment "Description of temporal extent structured with separate values for the various elements of a calendar-clock system." ;
    rdfs:isDefinedBy time: .