メタデータ名 indicator-E3301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.6812500 33.2750000, 129.6875000 33.2750000, 129.6875000 33.2791667, 129.6812500 33.2791667, 129.6812500 33.2750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral