メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.72285934552 35.4796392795558, 136.722602181684 35.4796104510325, 136.721448163364 35.4795467358408, 136.721063561768 35.4795000043573, 136.72119390332 35.4740125150879, 136.721172281033 35.4730312252604, 136.721950049772 35.4730364477302, 136.721949383586 35.4718431337324, 136.723681527446 35.4718092776465, 136.724239259635 35.4734504842885, 136.726787775533 35.4772336431676, 136.727014488476 35.4775573719635, 136.726394479086 35.4778272835459, 136.726272400748 35.4777255069127, 136.726106391035 35.4776448016344, 136.725871551639 35.4776119056832, 136.725450329443 35.477650403008, 136.724744803233 35.477751976787, 136.724499578972 35.4778311463775, 136.724097019796 35.4780299096189, 136.723575717803 35.4784605144713, 136.723324327716 35.4787679605986, 136.723087194886 35.4791595381051, 136.72285934552 35.4796392795558)) ^^http://www.opengis.net/ont/geosparql#wktLiteral