メタデータ名 C11210-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6812500 35.8375000, 139.6875000 35.8375000, 139.6875000 35.8416667, 139.6812500 35.8416667, 139.6812500 35.8375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral