メタデータ名 C15303-19930324
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.1437500 35.1166667, 136.1500000 35.1166667, 136.1500000 35.1208334, 136.1437500 35.1208334, 136.1437500 35.1166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral