メタデータ名 G20473044824
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0625000 39.2916667, 141.0687500 39.2916667, 141.0687500 39.2958334, 141.0625000 39.2958334, 141.0625000 39.2916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral