メタデータ名 indicator-G7000
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7250000 36.0208334, 139.7312500 36.0208334, 139.7312500 36.0250000, 139.7250000 36.0250000, 139.7250000 36.0208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral