メタデータ名 C36487-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1187500 37.3458334, 139.1250000 37.3458334, 139.1250000 37.3500000, 139.1187500 37.3500000, 139.1187500 37.3458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral