メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.834449955191 35.4678615346135, 136.832550243207 35.4683662702433, 136.831702147227 35.4686521472072, 136.831566034116 35.4687251477984, 136.83136552184 35.4688839169784, 136.831127397424 35.4691193041802, 136.830824953576 35.4693327863192, 136.830143890278 35.467768604079, 136.831218697222 35.4672938661557, 136.831315462712 35.4672542418823, 136.832704123018 35.4660564009162, 136.834747673373 35.4662266885603, 136.835312275495 35.4662737385213, 136.835412859623 35.4662780999599, 136.835403191656 35.4662953268099, 136.835358793297 35.4663754136671, 136.834822021454 35.4672320475182, 136.834531429311 35.4677035935241, 136.834449955191 35.4678615346135)) ^^http://www.opengis.net/ont/geosparql#wktLiteral