メタデータ名 G20503047264
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5062500 35.9416667, 139.5125000 35.9416667, 139.5125000 35.9458334, 139.5062500 35.9458334, 139.5062500 35.9416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral