メタデータ名 G20502904273
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6062500 41.1791667, 140.6125000 41.1791667, 140.6125000 41.1833333, 140.6062500 41.1833333, 140.6062500 41.1791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral