メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.695106450305 34.9016431293685, 135.69506951794 34.9016902228907, 135.694981680362 34.9017719810137, 135.694853394711 34.9018750465077, 135.69455680698 34.902066076208, 135.69412810018 34.9022519104217, 135.693253376943 34.9015020951673, 135.694152533156 34.9008164934969, 135.695106450305 34.9016431293685)) ^^http://www.opengis.net/ont/geosparql#wktLiteral