メタデータ名 G20513545971
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.9875000 37.1041667, 137.9937500 37.1041667, 137.9937500 37.1083333, 137.9875000 37.1083333, 137.9875000 37.1041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral