prov:startedAtTime leaf node

@prefix : <http://www.w3.org/ns/prov#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

:startedAtTime a owl:DatatypeProperty ;
    rdfs:label "startedAtTime" ;
    rdfs:comment "The time at which an activity started. See also prov:endedAtTime."@en ;
    rdfs:domain :Activity ;
    rdfs:isDefinedBy <http://www.w3.org/ns/prov-o#> ;
    rdfs:range xsd:dateTime ;
    :category "starting-point" ;
    :component "entities-activities" ;
    :editorialNote "It is the intent that the property chain holds: (prov:qualifiedStart o prov:atTime) rdfs:subPropertyOf prov:startedAtTime."@en ;
    :qualifiedForm :Start,
        :atTime .