メタデータ名 C11381-19890301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9937500 43.5666667, 142.0000000 43.5666667, 142.0000000 43.5708334, 141.9937500 43.5708334, 141.9937500 43.5666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral