メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.5625000 33.6375000, 135.5687500 33.6375000, 135.5687500 33.6416667, 135.5625000 33.6416667, 135.5625000 33.6375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral