メタデータ名 G20553802513
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3812500 42.9750000, 141.3875000 42.9750000, 141.3875000 42.9791667, 141.3812500 42.9791667, 141.3812500 42.9750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral