メタデータ名 C16209-19710301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6000000 36.6000000, 136.6062500 36.6000000, 136.6062500 36.6041667, 136.6000000 36.6041667, 136.6000000 36.6000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral