メタデータ名 G20493127354
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4437500 43.8708334, 142.4500000 43.8708334, 142.4500000 43.8750000, 142.4437500 43.8750000, 142.4437500 43.8708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral