<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.991697184864 37.8614272360881, 138.991341017729 37.8617580071092, 138.990654845254 37.8612688147513, 138.989355659872 37.8603478284492, 138.989814266909 37.8599128797683, 138.991441819434 37.8611898102295, 138.991399845076 37.8612267289882, 138.991697184864 37.8614272360881)) ^^http://www.opengis.net/ont/geosparql#wktLiteral