<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.8000000 36.9916667, 136.8062500 36.9916667, 136.8062500 36.9958334, 136.8000000 36.9958334, 136.8000000 36.9916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral