@prefix rdf: . @prefix skos: . @prefix rdfs: . @prefix api: . @prefix foaf: . rdfs:label "GeochronologicEras (all ranks) in the International Chronostratigraphic Chart"@en . rdfs:label "Boundaries in the International Chronostratigraphic Chart"@en . a rdfs:Resource , skos:Collection ; rdfs:label "Geologic Timescale Elements in the International Chronostratigraphic Chart"@en ; skos:member , ; skos:prefLabel "Geologic Timescale Elements in the International Chronostratigraphic Chart"@en . ; . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic .