メタデータ名 C23460-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.7375000 38.7333333, 140.7437500 38.7333333, 140.7437500 38.7375000, 140.7375000 38.7375000, 140.7375000 38.7333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral