メタデータ名 G20574065892
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1437500 45.1791667, 141.1500000 45.1791667, 141.1500000 45.1833333, 141.1437500 45.1833333, 141.1437500 45.1791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral