メタデータ名 G20493063472
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0687500 31.7333333, 131.0750000 31.7333333, 131.0750000 31.7375000, 131.0687500 31.7375000, 131.0687500 31.7333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral