メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.722322572699 33.2473758375883, 131.723038543537 33.2484961739526, 131.722440944055 33.2487710574405, 131.720311564716 33.249746674449, 131.718724062612 33.2504538249657, 131.718214444493 33.2506953354846, 131.716769042979 33.2513543170356, 131.716058556349 33.2517021541606, 131.715743812005 33.2495303655445, 131.715593686934 33.2484122088698, 131.716300652929 33.2480882416492, 131.717551182648 33.2475034601224, 131.719099872512 33.2468128939673, 131.720699207025 33.2460750813504, 131.721289569502 33.2457981857762, 131.721936317549 33.2467719795004, 131.722322572699 33.2473758375883)) ^^http://www.opengis.net/ont/geosparql#wktLiteral