メタデータ名 C12211-19770901
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6312500 34.5541667, 136.6375000 34.5541667, 136.6375000 34.5583333, 136.6312500 34.5583333, 136.6312500 34.5541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral