メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.583832892286 36.4935035054511, 136.583721192268 36.4944524131223, 136.582516058199 36.4943783087627, 136.581734013007 36.4943178067644, 136.581862207539 36.4929810300633, 136.582676781841 36.4930278190805, 136.58387932412 36.4931018416965, 136.583871005137 36.4932521920145, 136.583832892286 36.4935035054511)) ^^http://www.opengis.net/ont/geosparql#wktLiteral