メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.369918837952 43.1157273912602, 141.369885446886 43.1158398672171, 141.369741285143 43.1163259750709, 141.369731895261 43.1163246363165, 141.36972958132 43.1163320035042, 141.369614796795 43.1166908360645, 141.369533377597 43.1169454920226, 141.369064191438 43.116873383815, 141.368215104907 43.1167425090587, 141.368169600228 43.1167358293674, 141.36791917689 43.1166991584886, 141.368221491409 43.115744499267, 141.368476497938 43.1148344118227, 141.368774081509 43.1148887429626, 141.368786721279 43.1148910204475, 141.369036611706 43.1149307783516, 141.369564283815 43.1150135316904, 141.36965055864 43.1150957026722, 141.370087103022 43.1151602421321, 141.369962617209 43.1155799740506, 141.369918837952 43.1157273912602)) ^^http://www.opengis.net/ont/geosparql#wktLiteral