<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1687500 36.2458334, 137.1750000 36.2458334, 137.1750000 36.2500000, 137.1687500 36.2500000, 137.1687500 36.2458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral