メタデータ名 indicator-F210802
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4250000 43.2125000, 141.4312500 43.2125000, 141.4312500 43.2166667, 141.4250000 43.2166667, 141.4250000 43.2125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral