メタデータ名 G20574016464
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6000000 42.9458334, 141.6062500 42.9458334, 141.6062500 42.9500000, 141.6000000 42.9500000, 141.6000000 42.9458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral