メタデータ名 G20523707861
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2000000 39.8708334, 141.2062500 39.8708334, 141.2062500 39.8750000, 141.2000000 39.8750000, 141.2000000 39.8708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral