メタデータ名 C17206-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2625000 38.9333333, 141.2687500 38.9333333, 141.2687500 38.9375000, 141.2625000 38.9375000, 141.2625000 38.9333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral