<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1687500 37.6875000, 139.1750000 37.6875000, 139.1750000 37.6916667, 139.1687500 37.6916667, 139.1687500 37.6875000))
^^http://www.opengis.net/ont/geosparql#wktLiteral
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