メタデータ名 C34213
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8875000 42.4125000, 139.8937500 42.4125000, 139.8937500 42.4166667, 139.8875000 42.4166667, 139.8875000 42.4125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral