メタデータ名 G20473022471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.8937500 36.1166667, 137.9000000 36.1166667, 137.9000000 36.1208334, 137.8937500 36.1208334, 137.8937500 36.1166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral