<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.988646552247 37.8609410679826, 138.988539616576 37.8610304850224, 138.989031834045 37.8620433661029, 138.988220348902 37.8623406703834, 138.987337638331 37.8626638835284, 138.986756303919 37.8615088908119, 138.987169608791 37.8613727432669, 138.987690582584 37.8611981401502, 138.988646552247 37.8609410679826)) ^^http://www.opengis.net/ont/geosparql#wktLiteral