メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.386000663693 43.76672294222, 142.386212735946 43.7670973509642, 142.386013051281 43.7675761777705, 142.385970149874 43.7676714626647, 142.385714820099 43.7678651821526, 142.385170624839 43.7681855195876, 142.384877371658 43.7676808989147, 142.384584913822 43.7671445968723, 142.384322068229 43.766608259672, 142.385700214046 43.766198453762, 142.385833181365 43.7664299981984, 142.386000663693 43.76672294222)) ^^http://www.opengis.net/ont/geosparql#wktLiteral