<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1687500 39.3291667, 141.1750000 39.3291667, 141.1750000 39.3333333, 141.1687500 39.3333333, 141.1687500 39.3291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral