メタデータ名 indicator-E7102
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1250000 36.6541667, 139.1312500 36.6541667, 139.1312500 36.6583333, 139.1250000 36.6583333, 139.1250000 36.6541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral