<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8187500 38.9375000, 139.8250000 38.9375000, 139.8250000 38.9416667, 139.8187500 38.9416667, 139.8187500 38.9375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral