メタデータ名 C28661-19830325
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2875000 36.4666667, 139.2937500 36.4666667, 139.2937500 36.4708334, 139.2875000 36.4708334, 139.2875000 36.4666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral