メタデータ名 C12217-20080401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3937500 37.9166667, 139.4000000 37.9166667, 139.4000000 37.9208334, 139.3937500 37.9208334, 139.3937500 37.9166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral