メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.439194100496 40.5117034108311, 141.44016932423 40.511543669067, 141.440138621406 40.5119510340473, 141.440068075725 40.5125504746593, 141.440034012852 40.5131828632569, 141.439983224122 40.5138722248185, 141.438426019668 40.5139963927295, 141.438203723836 40.5140547950837, 141.437853096836 40.5141231224225, 141.437455166937 40.5141802283251, 141.436351010404 40.5142626975976, 141.433703650638 40.5144702052816, 141.433385976954 40.5144925784662, 141.432900898212 40.5144903839295, 141.432458849936 40.5144754062072, 141.431960341723 40.5144662419732, 141.433867248413 40.5136246588765, 141.434808361979 40.5132092866166, 141.435150582581 40.5130568988389, 141.434832292594 40.5127214695818, 141.435687379342 40.5123155043268, 141.435766381171 40.5123150916443, 141.436879873369 40.5121108219304, 141.436931280402 40.5122866259525, 141.437487660053 40.5119980912082, 141.438343593286 40.5118472934042, 141.439194100496 40.5117034108311)) ^^http://www.opengis.net/ont/geosparql#wktLiteral