メタデータ名 C20450-19841225
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2125000 35.0041667, 137.2187500 35.0041667, 137.2187500 35.0083333, 137.2125000 35.0083333, 137.2125000 35.0041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral