メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.718355358728 35.267228910006, 136.716001514957 35.2674960416907, 136.71570773926 35.2675315002845, 136.714069639194 35.2677189959818, 136.711766787738 35.2679991219222, 136.711363237902 35.2680555667869, 136.711090746079 35.266402475148, 136.710804438872 35.264734331711, 136.710898792114 35.2647363054066, 136.711666656686 35.2646477769249, 136.712851968182 35.2645096774444, 136.715418766953 35.2641969898734, 136.717725116183 35.2639395521286, 136.718045771568 35.2655918921985, 136.718355358728 35.267228910006)) ^^http://www.opengis.net/ont/geosparql#wktLiteral