<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9062500 38.9500000, 139.9125000 38.9500000, 139.9125000 38.9541667, 139.9062500 38.9541667, 139.9062500 38.9500000))
^^http://www.opengis.net/ont/geosparql#wktLiteral
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