@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix ns4: . @prefix rdfs: . @prefix skos: . a rdfs:Resource, skos:Concept ; ns1:creator "Arliss Whiteside" ; ns1:date "2010-03-23" ; ns1:source "07-092r3 Table 5" ; dct:created "2010-03-23" ; dct:modified "2012-02-14" ; ns4:hasProfile ; ns3:status ; rdfs:seeAlso , ; ns2:sameAs ; skos:definition "Zero value of vertical axis approximates a constant potential surface, usually the geoid"@en ; skos:prefLabel "geoidal"@en .