メタデータ名 G20483054754
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4250000 38.4166667, 141.4312500 38.4166667, 141.4312500 38.4208334, 141.4250000 38.4208334, 141.4250000 38.4166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral