メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.337510996883 37.4455341992363, 140.337027696807 37.4455116196195, 140.337091917855 37.4458713624365, 140.337176701964 37.446512613038, 140.336640628408 37.4465606561651, 140.336292609355 37.4441243732786, 140.336292116653 37.4440510197403, 140.336357443774 37.4440035741891, 140.336508448854 37.4439873045859, 140.336853531216 37.443959505023, 140.336834695537 37.443666303248, 140.336799740215 37.4433523310661, 140.337301788587 37.4432899294749, 140.337912372393 37.4432507184766, 140.33849262054 37.4435833394962, 140.338430394349 37.4440968155835, 140.338344349179 37.4444821259361, 140.337510996883 37.4455341992363)) ^^http://www.opengis.net/ont/geosparql#wktLiteral