メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.949070475165 34.8915538674533, 136.949986511966 34.8931060396164, 136.950444049743 34.8938327139467, 136.95214700122 34.8965385714872, 136.951081150108 34.8970157424946, 136.950626239789 34.8975330150564, 136.944301881259 34.8955476418027, 136.944278392058 34.8954696330381, 136.944276219956 34.8954032836642, 136.943930355753 34.8949898592993, 136.943538274926 34.894345123819, 136.943567596479 34.8943363040459, 136.94413325867 34.8941454169542, 136.944539227839 34.8939702942178, 136.944893181384 34.893763945167, 136.945165340188 34.8935944215913, 136.945557175932 34.8933485569092, 136.94596443579 34.8930715185225, 136.946278683666 34.8928069881662, 136.947078509663 34.892002990637, 136.94720552222 34.8918669380637, 136.947297718309 34.8917661082411, 136.947988755856 34.8907726002595, 136.948634017601 34.8911727557594, 136.949070475165 34.8915538674533)) ^^http://www.opengis.net/ont/geosparql#wktLiteral