メタデータ名 G20493010963
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1437500 37.2958334, 137.1500000 37.2958334, 137.1500000 37.3000000, 137.1437500 37.3000000, 137.1437500 37.2958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral