メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.094261138387 36.7011400717427, 137.093369112203 36.7015122631582, 137.09292827418 36.7017056122587, 137.09255881522 36.7018187411285, 137.091574940967 36.7021167970532, 137.09152059458 36.7020017205014, 137.091507076339 36.7019030024922, 137.091092157403 36.7015903545131, 137.091865255814 36.7010399787374, 137.092210461523 36.7007699733158, 137.092495315741 36.7005772362554, 137.093047136796 36.7000733249155, 137.093431414063 36.7003941863947, 137.094029925451 36.7009097755504, 137.094261138387 36.7011400717427)) ^^http://www.opengis.net/ont/geosparql#wktLiteral