メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.860335955195 35.3858067811041, 136.860163410932 35.3859543619095, 136.860143288838 35.3858802994933, 136.860253084481 35.3853626424353, 136.860417563467 35.3850336401195, 136.860410695939 35.3849226408937, 136.860326953168 35.3847147582214, 136.860150001133 35.3844947361237, 136.85993794139 35.3843032146042, 136.859868314981 35.3842171245492, 136.859789098833 35.3839722122621, 136.860514168716 35.3833821192094, 136.861895895544 35.3845015877357, 136.860335955195 35.3858067811041)) ^^http://www.opengis.net/ont/geosparql#wktLiteral