メタデータ名 G20473017004
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5062500 42.9083333, 141.5125000 42.9083333, 141.5125000 42.9125000, 141.5062500 42.9125000, 141.5062500 42.9083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral