<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.8937500 36.3958334, 136.9000000 36.3958334, 136.9000000 36.4000000, 136.8937500 36.4000000, 136.8937500 36.3958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral