メタデータ名 C29426-19750901
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9812500 38.7541667, 140.9875000 38.7541667, 140.9875000 38.7583333, 140.9812500 38.7583333, 140.9812500 38.7541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral