メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.061197786973 42.9139492910988, 143.061139766657 42.9138517993135, 143.061304235897 42.9138506344263, 143.061746205786 42.9138434238593, 143.061842331091 42.9140152673396, 143.062279413643 42.9147502365883, 143.062783058333 42.9156417836309, 143.061816597618 42.9155170462657, 143.061783734482 42.9158053605868, 143.061122691554 42.9154896102909, 143.061047199505 42.9154535720751, 143.06049324098 42.9151890349683, 143.060949034397 42.9147612818347, 143.060865612004 42.9145655746518, 143.060848929241 42.9145264470581, 143.060798382895 42.9144078731471, 143.06076007788 42.914318118835, 143.06068117045 42.9141455187756, 143.060671904002 42.9141027520422, 143.060705662596 42.9139190159645, 143.061197786973 42.9139492910988)) ^^http://www.opengis.net/ont/geosparql#wktLiteral