メタデータ名 G20543976964
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1687500 35.1958334, 137.1750000 35.1958334, 137.1750000 35.2000000, 137.1687500 35.2000000, 137.1687500 35.1958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral