メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.535527560132 40.5053556915724, 141.536011140338 40.506041394116, 141.536211826241 40.5063515122454, 141.536562111549 40.5068902335138, 141.536669374452 40.5070501392897, 141.536969349942 40.5074973817603, 141.535773798276 40.5079830814805, 141.533412101907 40.5089247514932, 141.532675608015 40.5092206521304, 141.532384635217 40.5093536729104, 141.531846383791 40.508644156757, 141.531465046728 40.5081176059589, 141.531253734917 40.5078258374138, 141.531154182877 40.5076884294699, 141.530779207562 40.5071832632585, 141.530696780432 40.5070747742222, 141.530408148952 40.5066949945034, 141.530162154312 40.506395553338, 141.530212097536 40.5063849791283, 141.531542848673 40.5059968064498, 141.532764668759 40.5056164229325, 141.533071268239 40.5055164448972, 141.533976909146 40.50519861774, 141.535129511299 40.5047829589388, 141.535527560132 40.5053556915724)) ^^http://www.opengis.net/ont/geosparql#wktLiteral