メタデータ名 G20493164343
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.0812500 42.9333333, 143.0875000 42.9333333, 143.0875000 42.9375000, 143.0812500 42.9375000, 143.0812500 42.9333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral