メタデータ名 G20513401992
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9875000 35.9500000, 139.9937500 35.9500000, 139.9937500 35.9541667, 139.9875000 35.9541667, 139.9875000 35.9500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral