<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.1687500 36.2041667, 136.1750000 36.2041667, 136.1750000 36.2083333, 136.1687500 36.2083333, 136.1687500 36.2041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral