メタデータ名 G20503276724
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((146.0625000 43.4208334, 146.0687500 43.4208334, 146.0687500 43.4250000, 146.0625000 43.4250000, 146.0625000 43.4208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral