メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.093405952561 35.1395592407379, 136.093290753113 35.1397346927205, 136.093065476864 35.1396288809079, 136.093100683907 35.139568356529, 136.092962380054 35.1395016326419, 136.093037109806 35.1394050900799, 136.093143167797 35.1392643649951, 136.09324611912 35.139314003655, 136.093335118342 35.1391858284841, 136.093465429364 35.1392441072296, 136.093358288923 35.139393143894, 136.093479806346 35.139455585286, 136.093405952561 35.1395592407379)) ^^http://www.opengis.net/ont/geosparql#wktLiteral