メタデータ名 indicator-E6502
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8500000 37.2916667, 140.8562500 37.2916667, 140.8562500 37.2958334, 140.8500000 37.2958334, 140.8500000 37.2916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral