<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9437500 38.8375000, 139.9500000 38.8375000, 139.9500000 38.8416667, 139.9437500 38.8416667, 139.9437500 38.8375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral