メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.483444870417 43.0444928224353, 141.48360908537 43.0445770545567, 141.483723345427 43.0446341552627, 141.484141944525 43.0448504148508, 141.484053527004 43.0451440164581, 141.483873958028 43.0456463835217, 141.483825342388 43.0457503592386, 141.483263237769 43.0471904873334, 141.482889642665 43.0471094931227, 141.482855557136 43.0471052548352, 141.481800016419 43.0468827465263, 141.480978521057 43.0467127909452, 141.480098018078 43.046530617477, 141.479780252508 43.0464255834136, 141.48000617519 43.0459882389895, 141.480248770466 43.0454748381481, 141.480319662058 43.0453459763654, 141.480687528537 43.044636982206, 141.480790316341 43.0444759828621, 141.481007838898 43.0440650949406, 141.481096115086 43.0438990752092, 141.481212108784 43.0436901286811, 141.481327202964 43.0435571340325, 141.481417154882 43.0434564623991, 141.482848363157 43.0441798583256, 141.483330066773 43.0444216515942, 141.483444870417 43.0444928224353)) ^^http://www.opengis.net/ont/geosparql#wktLiteral