<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8625000 38.8875000, 139.8687500 38.8875000, 139.8687500 38.8916667, 139.8625000 38.8916667, 139.8625000 38.8875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral