メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.114666480188 37.9163737736437, 140.113952720189 37.9164888018891, 140.113863067371 37.9161295434177, 140.115671306419 37.9158173333559, 140.115745048603 37.9161279234652, 140.116193322693 37.9160758880977, 140.116307599732 37.9156407235632, 140.116590884811 37.9157155124766, 140.116499454405 37.9159075456712, 140.116497344973 37.9161243365015, 140.116384678488 37.9161337874776, 140.115758607641 37.9161862900358, 140.114666480188 37.9163737736437)) ^^http://www.opengis.net/ont/geosparql#wktLiteral