メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.891521006946 37.0535016970372, 140.890848005048 37.0534869359757, 140.890095384669 37.053469007942, 140.890143797883 37.0527364407244, 140.890158860488 37.0524297959685, 140.890185981985 37.051599918836, 140.890209682291 37.050384646044, 140.89022247088 37.0501987547039, 140.890250193881 37.0490772852154, 140.890655932225 37.049037555279, 140.891232368415 37.0489764489065, 140.891629091448 37.0489517217386, 140.891547379347 37.0522904841107, 140.891549843141 37.0527455811726, 140.891521006946 37.0535016970372)) ^^http://www.opengis.net/ont/geosparql#wktLiteral