<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6625000 35.9875000, 139.6687500 35.9875000, 139.6687500 35.9916667, 139.6625000 35.9916667, 139.6625000 35.9875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral