メタデータ名 G20493470692
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0937500 37.3416667, 139.1000000 37.3416667, 139.1000000 37.3458334, 139.0937500 37.3458334, 139.0937500 37.3416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral