メタデータ名 G20502907962
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2250000 35.3750000, 137.2312500 35.3750000, 137.2312500 35.3791667, 137.2250000 35.3791667, 137.2250000 35.3750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral