メタデータ名 G20473012974
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8000000 41.7750000, 140.8062500 41.7750000, 140.8062500 41.7791667, 140.8000000 41.7791667, 140.8000000 41.7750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral