メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.167373160069 34.6639043364434, 135.167396697736 34.6640754572582, 135.167436110653 34.6644695868671, 135.166951018485 34.6645134809159, 135.166482268363 34.6645550073167, 135.166479292485 34.6645302368601, 135.166439725764 34.6641203321083, 135.166415783574 34.6639086470785, 135.16638275604 34.6636068757399, 135.166851591541 34.6635743638635, 135.167322995963 34.6635260565497, 135.167367456465 34.663879584714, 135.167373160069 34.6639043364434)) ^^http://www.opengis.net/ont/geosparql#wktLiteral