<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6750000 35.9166667, 139.6812500 35.9166667, 139.6812500 35.9208334, 139.6750000 35.9208334, 139.6750000 35.9166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral