メタデータ名 G20503023031
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.4750000 34.6833333, 137.4812500 34.6833333, 137.4812500 34.6875000, 137.4750000 34.6875000, 137.4750000 34.6833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral