@prefix rdf: . rdf:type rdf:Statement . @prefix rdfs: . rdfs:label "Embedded HTML Metadata Statement 31" , "Embedded HTML Metadata Statement 32" , "Embedded HTML Metadata Statement 57" , "Embedded HTML Metadata Statement 52" . @prefix pwdr: . pwdr:describedby ; rdf:object . @prefix opl: . rdf:predicate opl:isDescribedUsing ; rdf:subject .