メタデータ名 G20493050211
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0000000 38.6333333, 141.0062500 38.6333333, 141.0062500 38.6375000, 141.0000000 38.6375000, 141.0000000 38.6333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral