メタデータ名 G20493273893
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6187500 36.4583333, 136.6250000 36.4583333, 136.6250000 36.4625000, 136.6187500 36.4625000, 136.6187500 36.4583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral