メタデータ名 G20503370254
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3062500 40.7666667, 141.3125000 40.7666667, 141.3125000 40.7708334, 141.3062500 40.7708334, 141.3062500 40.7666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral