メタデータ名 G20513511022
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.9312500 42.8000000, 142.9375000 42.8000000, 142.9375000 42.8041667, 142.9312500 42.8041667, 142.9312500 42.8000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral