メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.109293135671 37.9135104767852, 140.109585587333 37.9145861530093, 140.109758137483 37.915237200545, 140.10846901878 37.9153165616036, 140.108444348203 37.9153180991686, 140.1076659388 37.9153659583313, 140.106574848236 37.9154331419152, 140.106569873314 37.9154060811911, 140.106380367017 37.9144994057039, 140.106229571822 37.9137851360219, 140.106040362384 37.912880854456, 140.108365881604 37.9126595225001, 140.109052235056 37.9126006749933, 140.109293135671 37.9135104767852)) ^^http://www.opengis.net/ont/geosparql#wktLiteral