メタデータ名 indicator-J110301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4250000 31.8500000, 131.4312500 31.8500000, 131.4312500 31.8541667, 131.4250000 31.8541667, 131.4250000 31.8500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral