メタデータ名 nationality-indonesia
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1187500 35.3083333, 139.1250000 35.3083333, 139.1250000 35.3125000, 139.1187500 35.3125000, 139.1187500 35.3083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral