メタデータ名 C14213-19710325
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8000000 33.1250000, 139.8062500 33.1250000, 139.8062500 33.1291667, 139.8000000 33.1291667, 139.8000000 33.1250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral