メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.808172607754 35.8766769047315, 139.807979176794 35.8782301901769, 139.807624190306 35.8807339912256, 139.801934702212 35.880236901828, 139.802059147039 35.8799092770711, 139.802166164986 35.8796402939221, 139.802325420856 35.8793086369701, 139.802410047459 35.8790618993221, 139.802589213484 35.8786655185783, 139.802778335755 35.8782125089505, 139.802913016298 35.8779293411407, 139.803060045397 35.8776366348516, 139.803225397208 35.8772944488486, 139.803571417319 35.8771776435389, 139.804078795885 35.8770906691396, 139.804455833375 35.8770415283987, 139.804753742429 35.8770037311849, 139.805060964192 35.8769280612053, 139.805144753034 35.8768977834217, 139.805223896903 35.8768447787843, 139.805307717715 35.8767539181298, 139.805382206326 35.8766819883326, 139.805438107029 35.876557031787, 139.808172607754 35.8766769047315)) ^^http://www.opengis.net/ont/geosparql#wktLiteral