メタデータ名 indicator-E910122
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2375000 36.0166667, 138.2437500 36.0166667, 138.2437500 36.0208334, 138.2375000 36.0208334, 138.2375000 36.0166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral