メタデータ名 G20523523141
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4812500 42.8833333, 141.4875000 42.8833333, 141.4875000 42.8875000, 141.4812500 42.8875000, 141.4812500 42.8833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral