メタデータ名 G20503324541
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5187500 35.9416667, 139.5250000 35.9416667, 139.5250000 35.9458334, 139.5187500 35.9458334, 139.5187500 35.9416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral