prefixes:
  dbf: http://dbpedia.org/function/

sources:
  country-source: http://en.dbpedia.org/resource/Mapping_en:Infobox_country/Infobox_country/LogicalSource

mappings:
  dbf:doc:
    sources: country-source
    subjects: http://en.dbpedia.org/resource/$({wikititle})
    predicateobjects:
      - predicates: http://dbpedia.org/ontology/anthem
        objects:
          - function: dbf:simplePropertyFunction
            parameters:
              - parameter: dbf:dataTypeParameter
                value: owl:Thing
                datatype: xsd:string
              - parameter: dbf:propertyParameter
                value: $(national_anthem)