メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.47076921055 43.0089891169582, 141.471052627463 43.0095510313665, 141.471386282993 43.0100244559333, 141.471987622833 43.0109257800787, 141.470879616715 43.0113806890984, 141.470854716453 43.0113907191786, 141.469716381649 43.0118473267572, 141.469578730513 43.0115998075048, 141.469404367391 43.0113452155481, 141.469162609161 43.0110622438156, 141.468867782365 43.0107926258864, 141.468573223497 43.0105550070724, 141.468196604058 43.0103082487585, 141.468330449399 43.0101788322739, 141.468430727184 43.0100627622936, 141.46881426267 43.0097637128924, 141.468506750039 43.0093162027015, 141.470587094822 43.0085747455473, 141.47076921055 43.0089891169582)) ^^http://www.opengis.net/ont/geosparql#wktLiteral