メタデータ名 C23208-19900401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1375000 34.9875000, 137.1437500 34.9875000, 137.1437500 34.9916667, 137.1375000 34.9916667, 137.1375000 34.9875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral