@prefix foaf: . @prefix ns1: . ns1:fluent foaf:topic . @prefix sioc: . @prefix ns3: . ns3:fluent sioc:container_of . @prefix rdf: . rdf:type rdf:Statement . @prefix rdfs: . rdfs:label "Embedded HTML5 Microdata Statement 77" . @prefix pwdr: . pwdr:describedby ns3:fluent . @prefix ns7: . pwdr:describedby ns7:fluent ; rdf:object "Mandatory\n`=` sign after message identifier" . @prefix schema: . rdf:predicate schema:name ; rdf:subject .