メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3186427567 37.3475834295522, 139.31538982573 37.3496101547394, 139.31465854956 37.3500327347245, 139.314126509503 37.3493910359719, 139.313814481918 37.3490130291448, 139.313476408442 37.3485378986294, 139.313298766925 37.3482886078511, 139.313062358735 37.3478981189963, 139.312774458524 37.34744348213, 139.312187073391 37.346623279764, 139.313012978024 37.3463882513258, 139.314836744417 37.3458499369082, 139.316468199062 37.3453659486474, 139.317038040205 37.3457653446002, 139.317263236604 37.3459597841685, 139.317636937641 37.3462942615458, 139.317902817634 37.3465164728252, 139.318115231003 37.3467433804092, 139.318218217123 37.3468668864938, 139.318474856396 37.3472937800538, 139.3186427567 37.3475834295522)) ^^http://www.opengis.net/ont/geosparql#wktLiteral