メタデータ名 C28645-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1937500 36.3291667, 139.2000000 36.3291667, 139.2000000 36.3333333, 139.1937500 36.3333333, 139.1937500 36.3291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral