メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.251187899487 37.1611074714169, 138.250803710089 37.1615469147782, 138.250797385005 37.1615447061926, 138.250482849571 37.1618969627476, 138.250031999505 37.1617386983294, 138.249931571751 37.1619271760184, 138.249871258353 37.1620368118286, 138.250209428605 37.162200898482, 138.249495648561 37.1628971674337, 138.24663354834 37.1660005974753, 138.24653081047 37.1659445492428, 138.246019317247 37.1656207973286, 138.245942294767 37.1655103824339, 138.24781091726 37.1623416173394, 138.248446808818 37.1611134183377, 138.248822675977 37.1603822618599, 138.249070670262 37.1597742449653, 138.24908896114 37.1596489705159, 138.249278774023 37.1590515991826, 138.249593061557 37.1586835789115, 138.249631129942 37.1586474307769, 138.24943030866 37.1585649889645, 138.249775260259 37.1578432931465, 138.249813234412 37.1577887453727, 138.25014178688 37.1578852903929, 138.250477353381 37.1580233358389, 138.250777145406 37.1581698887502, 138.250941236069 37.1582750834508, 138.25115538595 37.1583766297613, 138.25153148809 37.1585090358844, 138.251706558991 37.1585729231168, 138.2515038846 37.158924593522, 138.252446829115 37.1592355134984, 138.251956050173 37.1602474103448, 138.251573854777 37.1606753413948, 138.251187899487 37.1611074714169)) ^^http://www.opengis.net/ont/geosparql#wktLiteral