メタデータ名 C21605-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.7125000 36.7125000, 140.7187500 36.7125000, 140.7187500 36.7166667, 140.7125000 36.7166667, 140.7125000 36.7125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral