メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.313559789298 37.1107102119118, 138.311265820903 37.1110884339571, 138.311450270216 37.1117663350072, 138.306836833801 37.1125065653399, 138.305513489415 37.1127100444626, 138.305140203755 37.111358297003, 138.305472445143 37.1112785861199, 138.305202998318 37.110081475306, 138.306468899821 37.1098929011266, 138.306211321971 37.1089567169918, 138.306442965829 37.1090072897917, 138.306612057436 37.1090277003606, 138.306737351313 37.1090228347964, 138.306938706492 37.1074452746917, 138.307085844783 37.1062463789346, 138.31157320783 37.106609393807, 138.311471094804 37.1073597736417, 138.312368840908 37.1074449746324, 138.314506990007 37.106526716626, 138.314618212984 37.1066935997347, 138.314828376191 37.1070090427464, 138.314967127784 37.1073093792948, 138.315296704959 37.108008199684, 138.315510212713 37.1084469181908, 138.315830774259 37.1092467475346, 138.315909268829 37.109500242523, 138.316132476079 37.1102999218842, 138.315012359979 37.110478475424, 138.313559789298 37.1107102119118)) ^^http://www.opengis.net/ont/geosparql#wktLiteral