メタデータ名 C23604-19810101
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.2687500 37.4500000, 140.2750000 37.4500000, 140.2750000 37.4541667, 140.2687500 37.4541667, 140.2687500 37.4500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral