メタデータ名 indicator-E610203
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.9937500 43.5291667, 145.0000000 43.5291667, 145.0000000 43.5333333, 144.9937500 43.5333333, 144.9937500 43.5291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral