メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.689015434219 34.829915896751, 134.68885647005 34.8299477046038, 134.688656341427 34.8295094523804, 134.688260739873 34.8287799152367, 134.688438968267 34.8287650950818, 134.688699756209 34.8287374278021, 134.689633228952 34.8286333366647, 134.690555833705 34.8284472918746, 134.690588122492 34.8285665741528, 134.690826476403 34.8293288942293, 134.690892500535 34.8295456906897, 134.689787157574 34.8297747419754, 134.689015434219 34.829915896751)) ^^http://www.opengis.net/ont/geosparql#wktLiteral