メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.790924361918 43.2152857406717, 141.791009192544 43.2153275038257, 141.791474450281 43.2155565953942, 141.791549407232 43.2156009906309, 141.791894387977 43.2157840975583, 141.792291896245 43.2159894258095, 141.791783951726 43.2167042681761, 141.791763071405 43.2167381545232, 141.79164826495 43.2169112688526, 141.791390325527 43.2172516882744, 141.791259961316 43.2174473866645, 141.791150776742 43.2175754417997, 141.791015410432 43.217726389956, 141.790878594964 43.2178843654912, 141.790770969052 43.2179774728614, 141.789635232484 43.217095569346, 141.789598353263 43.217083184028, 141.788034366669 43.2165787631027, 141.787974385625 43.2165760625005, 141.788274014584 43.2161353186427, 141.788535413166 43.215790630424, 141.788739235715 43.2155258148692, 141.789505962231 43.2144970910777, 141.790924361918 43.2152857406717)) ^^http://www.opengis.net/ont/geosparql#wktLiteral