メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.424529991245 31.8989522150498, 131.424825008102 31.8994990614541, 131.42488146607 31.8995992089012, 131.424209140982 31.9002457380503, 131.423703891377 31.9007195226572, 131.423428443147 31.9009286222717, 131.422847520705 31.9013830637435, 131.422717546196 31.9009196614813, 131.422597605849 31.9004476325894, 131.422474078231 31.8999851305349, 131.422347893882 31.8995110107736, 131.422342056403 31.8994898217623, 131.42210278979 31.8986238325865, 131.422742324041 31.898561281974, 131.423655924911 31.898460940565, 131.423720084429 31.8984938472826, 131.423753484795 31.8985551075187, 131.42410711791 31.8981786980343, 131.424316799671 31.8985522868964, 131.424375200643 31.8986618700267, 131.424529991245 31.8989522150498)) ^^http://www.opengis.net/ont/geosparql#wktLiteral