メタデータ名 G20503335832
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2750000 39.2708334, 141.2812500 39.2708334, 141.2812500 39.2750000, 141.2750000 39.2750000, 141.2750000 39.2708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral