メタデータ名 C23227-19910102
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.5187500 36.0500000, 136.5250000 36.0500000, 136.5250000 36.0541667, 136.5187500 36.0541667, 136.5187500 36.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral