メタデータ名 C23422-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0812500 37.8416667, 139.0875000 37.8416667, 139.0875000 37.8458334, 139.0812500 37.8458334, 139.0812500 37.8416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral