メタデータ名 C31381-20041001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1062500 36.6583333, 137.1125000 36.6583333, 137.1125000 36.6625000, 137.1062500 36.6625000, 137.1062500 36.6583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral