メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.864605930081 36.2978263513198, 139.864610874194 36.2980111322024, 139.864632872935 36.298331559562, 139.864686711475 36.2992830027858, 139.862744287911 36.2995643300373, 139.861664762596 36.2997082491905, 139.86155136245 36.2990892038067, 139.861376120733 36.298118144477, 139.861341649805 36.2973201767847, 139.864213629302 36.297394052547, 139.864582374019 36.2974016091727, 139.864605930081 36.2978263513198)) ^^http://www.opengis.net/ont/geosparql#wktLiteral