メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.800880103149 34.7685035920374, 135.800707376361 34.7684864078667, 135.798669871403 34.768546322693, 135.79864484086 34.7680162214309, 135.798625410133 34.7676684039106, 135.798891538446 34.7676447536658, 135.799147182311 34.7676247484869, 135.799436216114 34.7676232504614, 135.799751760707 34.767679969548, 135.799790525289 34.7673436568835, 135.800233481528 34.7673432531698, 135.800563026251 34.7673483481775, 135.800951799062 34.7673448065188, 135.800961236333 34.7676315128966, 135.800984783327 34.7681096327682, 135.800880103149 34.7685035920374)) ^^http://www.opengis.net/ont/geosparql#wktLiteral