メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.737240758506 35.2356916462177, 136.73705976397 35.2357272109856, 136.736374514388 35.2359948913185, 136.736206246054 35.2360256398995, 136.736081075887 35.2347032736777, 136.73621100577 35.2346828144119, 136.736466460921 35.2345980738597, 136.736669668579 35.2345332212271, 136.736938783882 35.234486628562, 136.737059414413 35.2344717699716, 136.737098568729 35.2350482152275, 136.737138404838 35.2353075280258, 136.737240758506 35.2356916462177)) ^^http://www.opengis.net/ont/geosparql#wktLiteral