メタデータ名 C21362-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6687500 36.7625000, 139.6750000 36.7625000, 139.6750000 36.7666667, 139.6687500 36.7666667, 139.6687500 36.7625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral