<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.8375000 35.5166667, 137.8437500 35.5166667, 137.8437500 35.5208334, 137.8375000 35.5208334, 137.8375000 35.5166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral