メタデータ名 indicator-J4004
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.6750000 33.6416667, 130.6812500 33.6416667, 130.6812500 33.6458334, 130.6750000 33.6458334, 130.6750000 33.6416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral