メタデータ名 S212021620
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.7312500 43.4041667, 143.7375000 43.4041667, 143.7375000 43.4083333, 143.7312500 43.4083333, 143.7312500 43.4041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral