<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6125000 38.6125000, 139.6187500 38.6125000, 139.6187500 38.6166667, 139.6125000 38.6166667, 139.6125000 38.6125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral