メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.034494925119 40.0943257452577, 140.033919002272 40.094622621425, 140.033973800298 40.0947233547488, 140.031685636236 40.0955389479245, 140.029479352316 40.0963288890949, 140.029832484943 40.0958916316641, 140.030578415492 40.0953899463282, 140.031291336584 40.0949439836445, 140.032120390264 40.0945475110544, 140.03280623681 40.0941508268865, 140.033388745372 40.0938466418438, 140.034538561471 40.0931432534699, 140.034494925119 40.0943257452577)) ^^http://www.opengis.net/ont/geosparql#wktLiteral