メタデータ名 G20513500893
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.3625000 44.2000000, 142.3687500 44.2000000, 142.3687500 44.2041667, 142.3625000 44.2041667, 142.3625000 44.2000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral