メタデータ名 indicator-K6108
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.1250000 34.3458334, 134.1312500 34.3458334, 134.1312500 34.3500000, 134.1250000 34.3500000, 134.1250000 34.3458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral