メタデータ名 dsd
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.0437500 33.0416667, 133.0500000 33.0416667, 133.0500000 33.0458334, 133.0437500 33.0458334, 133.0437500 33.0416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral