メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.378278662987 40.8331966965971, 140.376329545096 40.8354375241508, 140.377546701587 40.8360483198165, 140.380117910389 40.8373027011478, 140.379874382969 40.8394994752698, 140.379109632447 40.8453039175832, 140.365691447616 40.8396583130643, 140.365475674947 40.8321875929355, 140.361701204612 40.831971285014, 140.362752318743 40.8307357491844, 140.365273369689 40.8279618440149, 140.365887885958 40.8271877364538, 140.36584636823 40.826906702619, 140.365511559191 40.8265665766233, 140.365251163702 40.8264591414505, 140.36621149654 40.82531002643, 140.366576856762 40.8248701569755, 140.369496572607 40.826354294033, 140.372202526336 40.8284433408124, 140.37341270954 40.8293901772025, 140.378278662987 40.8331966965971)) ^^http://www.opengis.net/ont/geosparql#wktLiteral