メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.938524778209 37.7892749774432, 140.938508759366 37.789360723752, 140.938488433246 37.7894431316298, 140.938442055989 37.7895155067061, 140.938338828868 37.7895405473354, 140.938226588507 37.7895380797285, 140.938105288899 37.7895050048104, 140.93803522176 37.7894337226299, 140.938012306724 37.7893483411433, 140.938028579668 37.7892796270678, 140.938079660956 37.7892312813301, 140.938221133493 37.7891716711296, 140.938350515878 37.7891637011476, 140.938458969882 37.7892037943488, 140.938524778209 37.7892749774432)) ^^http://www.opengis.net/ont/geosparql#wktLiteral