メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.400662652462 34.7709061982444, 135.400872566408 34.7709632302919, 135.401524963952 34.7711635646583, 135.401810207195 34.7712512025388, 135.401747615959 34.771281613108, 135.401244912126 34.7715574506489, 135.40112321732 34.7716241558205, 135.401109319232 34.7716317436826, 135.400815982334 34.7717833399245, 135.400787803065 34.7717954188634, 135.400504554868 34.7714588769846, 135.400181562189 34.7713559335608, 135.400327605879 34.7708081495419, 135.400662652462 34.7709061982444)) ^^http://www.opengis.net/ont/geosparql#wktLiteral