<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8375000 38.8791667, 139.8437500 38.8791667, 139.8437500 38.8833333, 139.8375000 38.8833333, 139.8375000 38.8791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral