メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.139936497998 34.6482366676473, 135.140128717658 34.6483728710497, 135.140183628308 34.6484108204309, 135.140655704492 34.6487209582948, 135.140291214346 34.6490997458259, 135.139921377279 34.6494898363139, 135.139413586577 34.6491528874779, 135.139216086927 34.6490347476859, 135.139169444535 34.6490057580313, 135.138969086568 34.6488741144203, 135.139347107434 34.6484839725826, 135.139722397856 34.648093847682, 135.139936497998 34.6482366676473)) ^^http://www.opengis.net/ont/geosparql#wktLiteral