メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.384119546885 43.7214422945124, 142.3835022075 43.722535379448, 142.38346677374 43.7225925378479, 142.383097352771 43.7232358483146, 142.382662407579 43.7229766240632, 142.382351285095 43.7227856241823, 142.382338730457 43.7228084578202, 142.382044528485 43.7226936468121, 142.381622628757 43.7225799137027, 142.381086385625 43.7224497485146, 142.381253438723 43.7221769094694, 142.38134831118 43.7220082620646, 142.381661948503 43.7214000057137, 142.382418450398 43.7212038593527, 142.382905874979 43.721081732397, 142.383231355108 43.7211703627311, 142.383208873388 43.7206047882268, 142.383131611706 43.7203611842124, 142.384495087669 43.7207529666198, 142.384530697146 43.7207637017646, 142.384119546885 43.7214422945124)) ^^http://www.opengis.net/ont/geosparql#wktLiteral