メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.2437500 34.8541667, 136.2500000 34.8541667, 136.2500000 34.8583333, 136.2437500 34.8583333, 136.2437500 34.8541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral