メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.163895335675 35.0849646990812, 137.163595530837 35.0850987822901, 137.163306539266 35.0842680284013, 137.163113797193 35.0837341934344, 137.163052269435 35.0835627728237, 137.163272775888 35.0835062307018, 137.163320119754 35.0836313088246, 137.163360695044 35.0837480752969, 137.163333633567 35.0838537128686, 137.163413099333 35.0840831648145, 137.163483306518 35.0843310663796, 137.163631468174 35.0845661515888, 137.163854811545 35.0848961750243, 137.163895335675 35.0849646990812)) ^^http://www.opengis.net/ont/geosparql#wktLiteral