メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.940032481945 35.4027852391714, 136.937628760723 35.4028542927125, 136.937596321554 35.4027823299564, 136.937399610341 35.402532521494, 136.93724051015 35.4022435596877, 136.937160393108 35.4007770799234, 136.937118084546 35.3992706016082, 136.939583158838 35.3988048486747, 136.939607467344 35.3990862308671, 136.939657813104 35.3996692078587, 136.93984751614 35.4011321585257, 136.940488470826 35.4010853342027, 136.940510709267 35.401083685762, 136.940704701767 35.4027666408786, 136.940032481945 35.4027852391714)) ^^http://www.opengis.net/ont/geosparql#wktLiteral