メタデータ名 G20523235684
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6437500 45.1583333, 141.6500000 45.1583333, 141.6500000 45.1625000, 141.6437500 45.1625000, 141.6437500 45.1583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral