メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.097553988542 42.4109438675719, 141.097830008132 42.4114360394935, 141.097843061748 42.4114592408648, 141.097965972971 42.4116824567052, 141.098395813858 42.4124624395487, 141.097510074313 42.4127350358577, 141.095912586158 42.4132321555483, 141.095883762898 42.4132407281058, 141.095392325501 42.4133877082069, 141.094509795478 42.4136597433463, 141.09275311462 42.4142012060889, 141.092649536 42.4139906991589, 141.093276657004 42.4135478575818, 141.094119347922 42.4129748117426, 141.094223255289 42.4129041162414, 141.094874747586 42.4124612300881, 141.095484867018 42.4120844619057, 141.095958266906 42.4117922670701, 141.095788600366 42.4114896601617, 141.095402311897 42.4108004134229, 141.095610281918 42.4106550818429, 141.096093058864 42.4102131634372, 141.096640948049 42.4097448859563, 141.096660016269 42.4097609733551, 141.096867882757 42.409962676772, 141.096986879213 42.4100780985213, 141.097125545541 42.4102388735125, 141.097345061944 42.4105716599409, 141.097419146315 42.4107036515136, 141.097553988542 42.4109438675719)) ^^http://www.opengis.net/ont/geosparql#wktLiteral