メタデータ名 C10306-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.9812500 35.0041667, 137.9875000 35.0041667, 137.9875000 35.0083333, 137.9812500 35.0083333, 137.9812500 35.0041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral