メタデータ名 C46321-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7062500 36.6500000, 139.7125000 36.6500000, 139.7125000 36.6541667, 139.7062500 36.6541667, 139.7062500 36.6500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral