メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.988970663836 35.183249845709, 136.989033353956 35.1832264870995, 136.989537678847 35.1832686351573, 136.989904074376 35.1832993127754, 136.990529398496 35.1833570558214, 136.990446853579 35.1837275067742, 136.990354334514 35.1841430145005, 136.990219183283 35.1847178296063, 136.990213819742 35.1849817000245, 136.990212848749 35.1850291641311, 136.990212787638 35.1853605086334, 136.990212698305 35.1858238985416, 136.990218746217 35.1863699040684, 136.989422430144 35.1863708551254, 136.98868553876 35.1863717467001, 136.98796094613 35.1863725825164, 136.987222157725 35.1863583211001, 136.987189722671 35.1858208667073, 136.987186039661 35.1857645219746, 136.987164736174 35.1854216663483, 136.987131610401 35.1848180828888, 136.987116197417 35.1844934745128, 136.987113737782 35.1844415684052, 136.987229435555 35.1844549097769, 136.987872313179 35.1836572511478, 136.988477677592 35.182906155441, 136.988970663836 35.183249845709)) ^^http://www.opengis.net/ont/geosparql#wktLiteral