メタデータ名 G20644431912
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9000000 34.9500000, 138.9062500 34.9500000, 138.9062500 34.9541667, 138.9000000 34.9541667, 138.9000000 34.9500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral