<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8187500 38.6708334, 139.8250000 38.6708334, 139.8250000 38.6750000, 139.8187500 38.6750000, 139.8187500 38.6708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral