メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.427608019548 43.0564199024755, 141.427637948246 43.0566996088443, 141.427790143377 43.0581088523941, 141.42777138739 43.0581488759806, 141.427755412349 43.0581887799877, 141.427764621042 43.0588066965083, 141.427773120809 43.0591471555017, 141.427783907645 43.0595390418929, 141.427786211003 43.0599270000058, 141.427812355776 43.0602030222436, 141.427298133104 43.0602129749735, 141.426753997723 43.0602363552043, 141.426487733918 43.0602443577797, 141.425871707399 43.0600565776164, 141.425055398811 43.0598131279575, 141.425200527424 43.0595040167881, 141.425361567904 43.0592241360043, 141.425482072334 43.059013239343, 141.425639966227 43.0587389619631, 141.425978916123 43.0582367107007, 141.426110609149 43.0580280040203, 141.426210557725 43.0578908755261, 141.426777312182 43.0570417028713, 141.427058466433 43.0566430517681, 141.427419929469 43.0561768970513, 141.427591652432 43.0562090752507, 141.427608019548 43.0564199024755)) ^^http://www.opengis.net/ont/geosparql#wktLiteral