<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7687500 36.8791667, 136.7750000 36.8791667, 136.7750000 36.8833333, 136.7687500 36.8833333, 136.7687500 36.8791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral