メタデータ名 G20492925644
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5000000 42.6041667, 141.5062500 42.6041667, 141.5062500 42.6083333, 141.5000000 42.6083333, 141.5000000 42.6041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral