<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1500000 36.6500000, 137.1562500 36.6500000, 137.1562500 36.6541667, 137.1500000 36.6541667, 137.1500000 36.6500000))
^^http://www.opengis.net/ont/geosparql#wktLiteral
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