メタデータ名 C18363-19800301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6062500 36.3291667, 136.6125000 36.3291667, 136.6125000 36.3333333, 136.6062500 36.3333333, 136.6062500 36.3291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral