メタデータ名 G20392777394
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.2625000 42.8875000, 142.2687500 42.8875000, 142.2687500 42.8916667, 142.2625000 42.8916667, 142.2625000 42.8875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral