メタデータ名 indicator-E650221
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0125000 37.4833333, 141.0187500 37.4833333, 141.0187500 37.4875000, 141.0125000 37.4875000, 141.0125000 37.4833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral