メタデータ名 C37421-19841201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7125000 35.2541667, 139.7187500 35.2541667, 139.7187500 35.2583333, 139.7125000 35.2583333, 139.7125000 35.2541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral