<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9062500 38.8333333, 139.9125000 38.8333333, 139.9125000 38.8375000, 139.9062500 38.8375000, 139.9062500 38.8333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral