メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.374354769021 43.0379086293573, 141.374849756627 43.0379174072039, 141.375900518339 43.0379553939054, 141.375921219726 43.0379559741424, 141.375879065202 43.0382376067068, 141.375857983299 43.0383787393718, 141.375831350847 43.0386272944583, 141.375799438394 43.038828969415, 141.375763968302 43.039038142202, 141.375706423918 43.0393771871396, 141.375298437644 43.039304162976, 141.374985176863 43.03927187916, 141.374753104833 43.0392478814769, 141.374621685038 43.0392456101967, 141.374533963729 43.0392449395137, 141.374327563539 43.0392563721944, 141.373945124584 43.0392411397169, 141.373264633585 43.0392163791042, 141.373423970823 43.0387456120296, 141.373531263244 43.0382936463745, 141.373557907534 43.0381056467554, 141.373588331374 43.0378877146453, 141.374354769021 43.0379086293573)) ^^http://www.opengis.net/ont/geosparql#wktLiteral