メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.794560837391 35.3855655788705, 136.796542258006 35.3855801286859, 136.796540804404 35.3870997941039, 136.796544022574 35.38784034195, 136.796530311826 35.3885879505439, 136.796437779531 35.3885701321468, 136.795110707659 35.3883143003715, 136.793864495984 35.3881479967266, 136.793431256048 35.3881039119317, 136.793122192961 35.38808711091, 136.793123165051 35.3877719822102, 136.792842353805 35.3878014636317, 136.792579107534 35.3876013585115, 136.792556971783 35.3866361773224, 136.792532623958 35.3855731046537, 136.793007871001 35.3855669023669, 136.794560837391 35.3855655788705)) ^^http://www.opengis.net/ont/geosparql#wktLiteral