メタデータ名 G20583916863
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0250000 31.7750000, 131.0312500 31.7750000, 131.0312500 31.7791667, 131.0250000 31.7791667, 131.0250000 31.7750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral