メタデータ名 G20544051481
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6062500 42.7708334, 141.6125000 42.7708334, 141.6125000 42.7750000, 141.6062500 42.7750000, 141.6062500 42.7708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral