メタデータ名 C27231-20060601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8437500 36.4458334, 139.8500000 36.4458334, 139.8500000 36.4500000, 139.8437500 36.4500000, 139.8437500 36.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral