メタデータ名 G20594000963
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.9437500 42.8875000, 142.9500000 42.8875000, 142.9500000 42.8916667, 142.9437500 42.8916667, 142.9437500 42.8875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral