<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8062500 38.8666667, 139.8125000 38.8666667, 139.8125000 38.8708334, 139.8062500 38.8708334, 139.8062500 38.8666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral