メタデータ名 G20513274691
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4937500 42.9958334, 141.5000000 42.9958334, 141.5000000 43.0000000, 141.4937500 43.0000000, 141.4937500 42.9958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral