メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.697252265811 35.3396349890655, 136.697417214901 35.3405955730221, 136.696226067248 35.3407076863755, 136.696084647884 35.3397368435825, 136.695936362218 35.3387053392287, 136.697246618345 35.3385759412984, 136.697255775198 35.3387097817599, 136.69724442038 35.3388013575847, 136.697238684392 35.3388575332099, 136.697223449348 35.3390037432568, 136.697211475371 35.3392032758926, 136.697252265811 35.3396349890655)) ^^http://www.opengis.net/ont/geosparql#wktLiteral