メタデータ名 C20305-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8062500 38.2666667, 140.8125000 38.2666667, 140.8125000 38.2708334, 140.8062500 38.2708334, 140.8062500 38.2666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral