メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.841844693072 35.1284815850418, 136.842338514654 35.1284770978177, 136.842833483497 35.1284699351649, 136.843339073345 35.1284697698428, 136.843581442219 35.1286180811932, 136.84355452888 35.1286934371958, 136.843494350274 35.1288618794435, 136.843351422601 35.1292703988992, 136.842843578789 35.1292592895408, 136.842354257539 35.1292621698982, 136.841854009753 35.1292647384996, 136.840957544088 35.1292662683888, 136.840945697628 35.1289181960363, 136.84094176692 35.1288030409553, 136.841102760057 35.1284883792608, 136.841121298178 35.1284882168035, 136.841844693072 35.1284815850418)) ^^http://www.opengis.net/ont/geosparql#wktLiteral