メタデータ名 G20584162903
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9000000 38.7916667, 139.9062500 38.7916667, 139.9062500 38.7958334, 139.9000000 38.7958334, 139.9000000 38.7916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral