メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.24197223469 36.686605884192, 137.242030923942 36.6873907293383, 137.242002391056 36.6875160707499, 137.241937160104 36.6877930861142, 137.241942314878 36.6878997481394, 137.241985192062 36.6887443088682, 137.241960726967 36.6888399353627, 137.241800995486 36.6892313494508, 137.240764946383 36.6891913674873, 137.240012100658 36.6891164939962, 137.239805449826 36.6891047924045, 137.239790182911 36.6885778143637, 137.239942309903 36.6881735221949, 137.240065016916 36.6878683790463, 137.240508918524 36.6869109428132, 137.240782746925 36.6864093432987, 137.24163504346 36.6865518101989, 137.24197223469 36.686605884192)) ^^http://www.opengis.net/ont/geosparql#wktLiteral