メタデータ名 G20503257203
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4125000 40.4708334, 141.4187500 40.4708334, 141.4187500 40.4750000, 141.4125000 40.4750000, 141.4125000 40.4708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral