<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.8187500 36.5208334, 137.8250000 36.5208334, 137.8250000 36.5250000, 137.8187500 36.5250000, 137.8187500 36.5208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral