<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6312500 37.6500000, 139.6375000 37.6500000, 139.6375000 37.6541667, 139.6312500 37.6541667, 139.6312500 37.6500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral