メタデータ名 C11306-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8687500 42.4166667, 139.8750000 42.4166667, 139.8750000 42.4208334, 139.8687500 42.4208334, 139.8687500 42.4166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral