メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.540866214531 36.1707140286094, 139.542419617866 36.170888089529, 139.544134690754 36.1710712687448, 139.545073060085 36.1711832705854, 139.544195556753 36.1720511526361, 139.543618658562 36.1726390164691, 139.543528261833 36.17273088131, 139.543002804513 36.1732319564216, 139.542564849134 36.1736475320567, 139.542208689719 36.173989158955, 139.542007784014 36.1738988582123, 139.541681422003 36.173886868051, 139.541482725201 36.1738800641619, 139.541332728988 36.1738781321144, 139.541063929175 36.1738648367193, 139.540565348797 36.1738194339457, 139.540454147695 36.1733362122464, 139.540264224111 36.172545056062, 139.540226174729 36.1722987616094, 139.54020743165 36.1721030013285, 139.540209553905 36.1718315256335, 139.540061734481 36.1718234360915, 139.540099386737 36.1712996504888, 139.540149745417 36.1712441296004, 139.54013160129 36.170992955508, 139.54007919337 36.1709812257403, 139.540062328733 36.1707942882694, 139.540043506285 36.1706258838379, 139.540083218264 36.170630610119, 139.540636347719 36.1706901776649, 139.540866214531 36.1707140286094)) ^^http://www.opengis.net/ont/geosparql#wktLiteral