<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9125000 39.9166667, 139.9187500 39.9166667, 139.9187500 39.9208334, 139.9125000 39.9208334, 139.9125000 39.9166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral