<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6687500 36.6291667, 136.6750000 36.6291667, 136.6750000 36.6333333, 136.6687500 36.6333333, 136.6687500 36.6291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral