<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9187500 38.7875000, 139.9250000 38.7875000, 139.9250000 38.7916667, 139.9187500 38.7916667, 139.9187500 38.7875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral