メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.768511567331 35.405860607971, 136.768493859118 35.4062527923558, 136.767857781675 35.4063227231503, 136.767849446159 35.4063236396094, 136.767813443883 35.4061585975039, 136.767749765853 35.4061645156983, 136.767721116984 35.4058947812808, 136.767638672645 35.4059037360156, 136.767615225322 35.4057133835758, 136.767552528981 35.4057207831559, 136.76747036346 35.4056818527223, 136.76764320355 35.405367569487, 136.767793438727 35.4053731317475, 136.767811744536 35.4053587551301, 136.767876403062 35.4053284045074, 136.768551095282 35.4053603279761, 136.768545648776 35.4054011545547, 136.768511567331 35.405860607971)) ^^http://www.opengis.net/ont/geosparql#wktLiteral