メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.870616267238 43.3260856807775, 141.870650206841 43.3261770782099, 141.870696508939 43.3263598728081, 141.87083163793 43.3268574657316, 141.870719774348 43.3269261580301, 141.87058433182 43.3269873177334, 141.870354462738 43.3270667304785, 141.870061189646 43.3271332742766, 141.86862627755 43.3273648147481, 141.867715220533 43.3275054630814, 141.866320363098 43.3277224805729, 141.866182966885 43.327261091186, 141.866165156509 43.3272021677439, 141.86612460789 43.3270370422336, 141.865927395434 43.3263546946594, 141.866305246897 43.3262886550096, 141.868207405457 43.3260147453169, 141.868218614036 43.3260131649693, 141.869407667267 43.3258412971686, 141.870064906137 43.3257355928841, 141.870494705858 43.3256794877588, 141.870616267238 43.3260856807775)) ^^http://www.opengis.net/ont/geosparql#wktLiteral