メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.947415589038 35.1077284495001, 136.948599428005 35.1077604781847, 136.948639202529 35.1082333265057, 136.948657500372 35.108580634605, 136.948544182699 35.1086776173047, 136.948205988219 35.1089671581686, 136.947776177604 35.1093604800909, 136.947368221179 35.1096799639385, 136.947343909149 35.1096937928659, 136.946691537341 35.110258614182, 136.946359347792 35.1105415395367, 136.946038236798 35.1108150478572, 136.946078605763 35.1096074412407, 136.946091286483 35.1087135361795, 136.946122287535 35.1081624315589, 136.946144979306 35.1076896974983, 136.947415589038 35.1077284495001)) ^^http://www.opengis.net/ont/geosparql#wktLiteral