メタデータ名 G20392725981
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4500000 44.2958334, 142.4562500 44.2958334, 142.4562500 44.3000000, 142.4500000 44.3000000, 142.4500000 44.2958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral