メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.976839781729 36.8882818325323, 139.978731474144 36.8898651961746, 139.978718827713 36.8898757714934, 139.977923144858 36.8905405055676, 139.97702661738 36.8912762518951, 139.976248826288 36.8906734657727, 139.974676815189 36.8894438211397, 139.973897497489 36.888841727204, 139.973106721319 36.8882157031255, 139.972345742733 36.8876172388713, 139.971552736602 36.887015145271, 139.971740218005 36.8868972835841, 139.971941444161 36.8867940502831, 139.972133614813 36.8867496845207, 139.972334959773 36.886712699204, 139.97248600387 36.8867052025438, 139.973007402787 36.8866400332929, 139.974638124186 36.8864793571739, 139.975526317889 36.8872081153596, 139.976839781729 36.8882818325323)) ^^http://www.opengis.net/ont/geosparql#wktLiteral