メタデータ名 C13307-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9562500 36.2333333, 139.9625000 36.2333333, 139.9625000 36.2375000, 139.9562500 36.2375000, 139.9562500 36.2333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral