メタデータ名 indicator-I620120
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5125000 40.5333333, 141.5187500 40.5333333, 141.5187500 40.5375000, 141.5125000 40.5375000, 141.5125000 40.5333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral