メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.938867909458 35.9052571986815, 139.938720231358 35.905463749846, 139.938230897335 35.906151996297, 139.938075181234 35.9065305056152, 139.937861599812 35.907145550423, 139.936807375078 35.9066572441252, 139.934632983557 35.9056712270651, 139.935031174306 35.9051627951768, 139.935410276049 35.9053300436933, 139.935689016576 35.904981168771, 139.936778096522 35.9054572813786, 139.937398441134 35.9045567742684, 139.937831932252 35.9047672081165, 139.93794219151 35.904827927492, 139.938867909458 35.9052571986815)) ^^http://www.opengis.net/ont/geosparql#wktLiteral