メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.852377606977 35.8832558383442, 139.853776214824 35.8834869173489, 139.853600455637 35.8839730566351, 139.853456309224 35.8844332954071, 139.85337929075 35.8846665653107, 139.853291540424 35.8849046790264, 139.851927001515 35.8846846435536, 139.850591444243 35.884460319519, 139.850624244164 35.8843246906141, 139.850709105789 35.8840079499406, 139.850764907256 35.88376842525, 139.850830240038 35.8835387227743, 139.850836060796 35.8835152554538, 139.850895033891 35.8832874638495, 139.850942018801 35.883041453441, 139.852377606977 35.8832558383442)) ^^http://www.opengis.net/ont/geosparql#wktLiteral