メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.955393212824 35.2299791379959, 136.955687518287 35.2297006567054, 136.955737815902 35.2296602539669, 136.955119708101 35.2291959594002, 136.955520163544 35.2292659004612, 136.955706657986 35.2293949424586, 136.956250078612 35.2297709845783, 136.956437753012 35.2299008724716, 136.956705177515 35.2300837792133, 136.956956205171 35.2302598268343, 136.957662553561 35.2307821811926, 136.957235894836 35.2311955690211, 136.957599777571 35.2314287029536, 136.957315789012 35.2317176986544, 136.956265788842 35.2311283521229, 136.955591150232 35.230750325754, 136.955159509349 35.2305187571706, 136.954765586906 35.2302805267335, 136.955516341292 35.2300866158138, 136.955393212824 35.2299791379959)) ^^http://www.opengis.net/ont/geosparql#wktLiteral