<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1750000 36.7041667, 137.1812500 36.7041667, 137.1812500 36.7083333, 137.1750000 36.7083333, 137.1750000 36.7041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral