メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.920181597294 35.792669310347, 138.91921902331 35.7907939651392, 138.919038291783 35.7907678699553, 138.918955830802 35.7907013326287, 138.918934557794 35.7906174355474, 138.918987754653 35.7905274693979, 138.919051844174 35.7904789587405, 138.919135006095 35.7904333920851, 138.919184151408 35.7903944387565, 138.919213209291 35.7903162990086, 138.919199347777 35.7901792303936, 138.918844750484 35.7895373189623, 138.91876869864 35.7894234918823, 138.918845748096 35.7893987727054, 138.919062812765 35.7894073109667, 138.919549461332 35.7894845173396, 138.920799790314 35.7899444431558, 138.921214970467 35.7900217871204, 138.921658449559 35.7902115728141, 138.92259309149 35.790455912218, 138.922935282982 35.7904518933866, 138.923024312522 35.7902996402027, 138.923066273268 35.789095165022, 138.923311533955 35.7886877721908, 138.923553826882 35.78917983265, 138.923739546277 35.7895649007671, 138.923905908063 35.78994216829, 138.924081824847 35.7903036458733, 138.92420913507 35.7906101766466, 138.924336699765 35.7909639558187, 138.924406061528 35.7912785945036, 138.92443447185 35.79169280571, 138.924051826683 35.7920519569196, 138.920181597294 35.792669310347)) ^^http://www.opengis.net/ont/geosparql#wktLiteral