メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.016349986585 34.8482445431353, 137.016573574219 34.8487152812917, 137.016605848195 34.8487682834011, 137.01567315518 34.8488358529081, 137.014960079329 34.8488916498843, 137.014849281426 34.8486537449737, 137.014721537461 34.8482779201585, 137.014604634256 34.8479139407462, 137.014600398952 34.8475427090026, 137.015087161602 34.847692068323, 137.015288775771 34.8476660535065, 137.015594684304 34.8475607259116, 137.015765487659 34.8474997383876, 137.015911205838 34.8474567496152, 137.016125864003 34.8478421186003, 137.016349986585 34.8482445431353)) ^^http://www.opengis.net/ont/geosparql#wktLiteral