@prefix rdf: . @prefix skos: . rdf:type skos:Concept . @prefix rdfs: . rdfs:label "17th-century engineers"@en ; skos:broader , . @prefix dbc: . skos:broader dbc:Engineers_by_century , ; skos:prefLabel "17th-century engineers"@en . @prefix dbo: . dbo:wikiPageID 33456058 ; dbo:wikiPageRevisionID 950709509 . @prefix dbp: . @prefix dbt: . dbp:wikiPageUsesTemplate dbt:Navseasoncats , dbt:CatAutoTOC . @prefix prov: . prov:wasDerivedFrom .