メタデータ名 G20503031042
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.2000000 43.3000000, 145.2062500 43.3000000, 145.2062500 43.3041667, 145.2000000 43.3041667, 145.2000000 43.3000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral