メタデータ名 C34321-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2750000 40.6666667, 141.2812500 40.6666667, 141.2812500 40.6708334, 141.2750000 40.6708334, 141.2750000 40.6666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral