メタデータ名 C46213-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9937500 35.2250000, 140.0000000 35.2250000, 140.0000000 35.2291667, 139.9937500 35.2291667, 139.9937500 35.2250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral