<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.3937500 36.8166667, 137.4000000 36.8166667, 137.4000000 36.8208334, 137.3937500 36.8208334, 137.3937500 36.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral