<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6812500 35.8708334, 139.6875000 35.8708334, 139.6875000 35.8750000, 139.6812500 35.8750000, 139.6812500 35.8708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral