メタデータ名 C11211-19810601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4625000 43.3833333, 142.4687500 43.3833333, 142.4687500 43.3875000, 142.4625000 43.3875000, 142.4625000 43.3833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral