メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.389878311326 43.7428199755848, 142.389140895846 43.7428507541373, 142.387398395273 43.742957463307, 142.387430751316 43.7433641455456, 142.387432371002 43.7434046306302, 142.38591844332 43.7434798223308, 142.385505619043 43.743714407149, 142.38548596236 43.7435735241277, 142.385478318243 43.7434960569316, 142.385391520157 43.7427341939338, 142.386710729434 43.7420315697423, 142.387079469879 43.7418351822192, 142.387672664321 43.7415487953803, 142.3877002925 43.7415365262714, 142.389523182678 43.7407274339376, 142.389634295376 43.7406780920818, 142.389668995536 43.7408974874899, 142.389720001675 43.7412686697265, 142.389786264987 43.741840160555, 142.389803464326 43.741993791519, 142.389878311326 43.7428199755848)) ^^http://www.opengis.net/ont/geosparql#wktLiteral