<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6187500 38.6166667, 139.6250000 38.6166667, 139.6250000 38.6208334, 139.6187500 38.6208334, 139.6187500 38.6166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral