メタデータ名 C21426-19790301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.9500000 35.7541667, 136.9562500 35.7541667, 136.9562500 35.7583333, 136.9500000 35.7583333, 136.9500000 35.7541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral