@prefix ns1: . @prefix rdfs: . @prefix skos: . a skos:Concept ; ns1:hasProfile ; rdfs:seeAlso ; skos:broader ; skos:broaderTransitive , , ; skos:changeNote "Established with version 2.0. Narrower added in version 3. " ; skos:definition "None"@en ; skos:narrower , , , ; skos:prefLabel "Boundary survey and marking"@en .