<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.8187500 36.8750000, 136.8250000 36.8750000, 136.8250000 36.8791667, 136.8187500 36.8791667, 136.8187500 36.8750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral