メタデータ名 G20523407213
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9000000 35.4125000, 139.9062500 35.4125000, 139.9062500 35.4166667, 139.9000000 35.4166667, 139.9000000 35.4125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral