メタデータ名 G20594023042
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0625000 37.7875000, 139.0687500 37.7875000, 139.0687500 37.7916667, 139.0625000 37.7916667, 139.0625000 37.7875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral