メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7312500 35.5541667, 136.7375000 35.5541667, 136.7375000 35.5583333, 136.7312500 35.5583333, 136.7312500 35.5541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral