メタデータ名 indicator-E9302
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2062500 39.8041667, 141.2125000 39.8041667, 141.2125000 39.8083333, 141.2062500 39.8083333, 141.2062500 39.8041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral