メタデータ名 G20523657663
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4375000 41.3833333, 141.4437500 41.3833333, 141.4437500 41.3875000, 141.4375000 41.3875000, 141.4375000 41.3833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral