メタデータ名 C23211-19980401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2062500 35.4333333, 139.2125000 35.4333333, 139.2125000 35.4375000, 139.2062500 35.4375000, 139.2062500 35.4333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral