メタデータ名 indicator-F620205
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8687500 38.9250000, 139.8750000 38.9250000, 139.8750000 38.9291667, 139.8687500 38.9291667, 139.8687500 38.9250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral