メタデータ名 C16323-19710301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.3625000 36.3750000, 136.3687500 36.3750000, 136.3687500 36.3791667, 136.3625000 36.3791667, 136.3625000 36.3750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral