<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8187500 38.8500000, 139.8250000 38.8500000, 139.8250000 38.8541667, 139.8187500 38.8541667, 139.8187500 38.8500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral