メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.800147391742 34.0580490070005, 131.800530024609 34.0581600394009, 131.800406752775 34.0584201525189, 131.800300888459 34.0584089876176, 131.799959443627 34.0590940379092, 131.800011007945 34.059117860193, 131.799870200406 34.0594207468966, 131.799627581659 34.0599309816763, 131.799315063043 34.0598284684958, 131.799086475227 34.0597605822384, 131.799368741226 34.05908352789, 131.799390958282 34.0590237498456, 131.79931041374 34.0589977745272, 131.799352634608 34.0589125949805, 131.799423188526 34.0589380245036, 131.799888492523 34.0579559545727, 131.800147391742 34.0580490070005)) ^^http://www.opengis.net/ont/geosparql#wktLiteral