メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.378186828928 44.17877850653, 142.3778457469 44.1788743943324, 142.377519600267 44.1789315713414, 142.3771618551 44.1789811895354, 142.376327988187 44.1790862644117, 142.375528304092 44.1791856021915, 142.375505137481 44.1791119708248, 142.375484886426 44.1789967790705, 142.375482357703 44.1789850919544, 142.375553633967 44.1789787029958, 142.375549836525 44.1789562058421, 142.375478560289 44.1789625947981, 142.37546588878 44.1788851897502, 142.375445648411 44.1787808093961, 142.375426689259 44.1786872210626, 142.375405258094 44.1786026539411, 142.375383827849 44.1785243619757, 142.375361157787 44.1784487787128, 142.375334720135 44.1783705101939, 142.375304539885 44.1782895383878, 142.375269331996 44.1782049682389, 142.375226626434 44.1781150095275, 142.375177651524 44.1780232647167, 142.374986297617 44.1774321276722, 142.375068356754 44.1772016284339, 142.375098245514 44.1771457997981, 142.375130650412 44.177089950416, 142.375166784456 44.1770305111519, 142.375203603205 44.1769719855853, 142.378888101424 44.1775081224044, 142.378766664864 44.1779158846511, 142.378599925138 44.1786450248525, 142.378465272683 44.1786896667147, 142.37822441049 44.1787679358251, 142.378186828928 44.17877850653)) ^^http://www.opengis.net/ont/geosparql#wktLiteral