メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.794171338809 35.7047975157327, 139.795135126084 35.7043625102017, 139.795827811036 35.7056179193769, 139.795903184571 35.7057546614854, 139.796248632338 35.706381466399, 139.796737875232 35.7072401693472, 139.797412731329 35.7082319046345, 139.796583643832 35.7086319037911, 139.79649492916 35.7086575111843, 139.796173645251 35.7088107560102, 139.795679524401 35.7080799681039, 139.795546189568 35.7078885436979, 139.795510295062 35.7078258062299, 139.795177460331 35.7073568150036, 139.794932672397 35.7070100275659, 139.794480585081 35.7064393463941, 139.793896515741 35.7057540494369, 139.793810681341 35.7056533217992, 139.793349045265 35.7052073477983, 139.793332472853 35.705199490654, 139.793746581794 35.7050031497643, 139.793799564451 35.7049774988537, 139.794171338809 35.7047975157327)) ^^http://www.opengis.net/ont/geosparql#wktLiteral