メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.919041951228 34.7512306123892, 137.919191871844 34.751273867636, 137.919307473075 34.7513072390426, 137.919379064329 34.7513256105043, 137.919760183762 34.7514367341946, 137.920315379728 34.7516205229307, 137.920372249227 34.7516393870503, 137.920812588969 34.7517993857765, 137.920386459425 34.7526557365617, 137.919915887978 34.7535146925589, 137.919406265678 34.7533464720533, 137.918211564828 34.7529521408245, 137.916793165969 34.7524927747123, 137.91613701388 34.752280173276, 137.916362146224 34.7519410837006, 137.916454035823 34.7518026390797, 137.916616884926 34.7515963608586, 137.916702589283 34.7514878896335, 137.916728129603 34.7514596991744, 137.916977430331 34.7511842512521, 137.917082285097 34.7510888304341, 137.917167819152 34.7510109238501, 137.917369399669 34.7508721595341, 137.917421958325 34.7508360706511, 137.917582405088 34.7507468312615, 137.918811710644 34.7511542952672, 137.919041951228 34.7512306123892)) ^^http://www.opengis.net/ont/geosparql#wktLiteral