@prefix sioc: . sioc:container_of . @prefix rdf: . rdf:type rdf:Statement . @prefix rdfs: . rdfs:label "Embedded HTML Metadata Statement 20" , "Embedded HTML Metadata Statement 28" . @prefix pwdr: . pwdr:describedby . @prefix opl: . rdf:object opl:DataSource ; rdf:predicate rdf:type ; rdf:subject rdf: .