メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.239597179023 34.8201378204482, 137.239173610725 34.8202169686136, 137.239132462541 34.8200479551639, 137.239104972252 34.8198563978978, 137.239091221369 34.8197437178006, 137.239132133221 34.8196310038009, 137.239282241691 34.8193491888714, 137.239404923137 34.8189434330633, 137.23952788676 34.8189095495891, 137.242178688301 34.8185359871527, 137.242670586686 34.8184680534953, 137.242602602226 34.8188850494249, 137.242616489874 34.8191554954648, 137.242671476469 34.8195498733839, 137.24179700221 34.8197082036005, 137.239597179023 34.8201378204482)) ^^http://www.opengis.net/ont/geosparql#wktLiteral