<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.8312500 36.4708334, 137.8375000 36.4708334, 137.8375000 36.4750000, 137.8312500 36.4750000, 137.8312500 36.4708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral