メタデータ名 G20523930584
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8437500 42.6666667, 141.8500000 42.6666667, 141.8500000 42.6708334, 141.8437500 42.6708334, 141.8437500 42.6666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral