メタデータ名 G20644321211
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2625000 37.7916667, 139.2687500 37.7916667, 139.2687500 37.7958334, 139.2625000 37.7958334, 139.2625000 37.7916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral