メタデータ名 G20644125673
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.9687500 42.9125000, 142.9750000 42.9125000, 142.9750000 42.9166667, 142.9687500 42.9166667, 142.9687500 42.9125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral