メタデータ名 G20523971553
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.1500000 43.9708334, 145.1562500 43.9708334, 145.1562500 43.9750000, 145.1500000 43.9750000, 145.1500000 43.9708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral