メタデータ名 unitMeasure-person
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.1437500 34.1083333, 131.1500000 34.1083333, 131.1500000 34.1125000, 131.1437500 34.1125000, 131.1437500 34.1083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral