メタデータ名 G20644022592
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.1937500 42.9666667, 143.2000000 42.9666667, 143.2000000 42.9708334, 143.1937500 42.9708334, 143.1937500 42.9666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral