<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1750000 37.8875000, 139.1812500 37.8875000, 139.1812500 37.8916667, 139.1750000 37.8916667, 139.1750000 37.8875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral