メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.202906903484 36.0695481906675, 136.202905683111 36.0706217555594, 136.202893708997 36.0710186449427, 136.202874325494 36.0710927654171, 136.201720638803 36.0710371685795, 136.200609364019 36.0709894316482, 136.200634287437 36.0705501767901, 136.200646325477 36.0701744463545, 136.20069719777 36.0693706830671, 136.200741274799 36.0687673479882, 136.200949950816 36.0687617086032, 136.201807312943 36.0686729474173, 136.202283274843 36.0686298076206, 136.202922264503 36.0685705230255, 136.202918497315 36.0689978355111, 136.202906903484 36.0695481906675)) ^^http://www.opengis.net/ont/geosparql#wktLiteral