メタデータ名 G20574035491
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.9312500 42.7041667, 142.9375000 42.7041667, 142.9375000 42.7083333, 142.9312500 42.7083333, 142.9312500 42.7041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral