メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.753809270914 37.4459084220706, 138.753490723205 37.446189013312, 138.753236222293 37.4464083555913, 138.753163538266 37.4466195657086, 138.753158069359 37.4468892020493, 138.752699085777 37.4470276056033, 138.752112584874 37.4472017585935, 138.751449478145 37.4473610116682, 138.750852754195 37.4473444030058, 138.749728888466 37.4471127959384, 138.749109193576 37.4469054480925, 138.748843962195 37.4467763389337, 138.748492295543 37.4465684221365, 138.747910392784 37.4461983716041, 138.747590104072 37.4458326966071, 138.747601754751 37.4454968747122, 138.747715347696 37.4451100111106, 138.7478990095 37.4446923067052, 138.748159854709 37.444452682037, 138.74836663398 37.4443572100236, 138.748691521482 37.4447201983619, 138.749063991316 37.4449268055047, 138.749411445999 37.4450641885516, 138.750155468521 37.4452057954626, 138.751608990669 37.4453482806451, 138.753078281683 37.4455771592973, 138.753388490019 37.4456901100211, 138.75357474064 37.4457982631065, 138.753809270914 37.4459084220706)) ^^http://www.opengis.net/ont/geosparql#wktLiteral