メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.48583094019 40.5064404038933, 141.485686638974 40.5064454769355, 141.485509269704 40.5064718793002, 141.484812407015 40.5061625481884, 141.484828552427 40.5061355093069, 141.484917638486 40.5060211289938, 141.485208406122 40.5055877625886, 141.485310723373 40.505407064641, 141.485423808317 40.5052581074924, 141.485519544833 40.5051118871367, 141.485932453188 40.5052883323983, 141.485957224509 40.5052288788564, 141.486446123336 40.5054516455642, 141.486049718493 40.5060216884144, 141.486094848452 40.5060513704374, 141.48583094019 40.5064404038933)) ^^http://www.opengis.net/ont/geosparql#wktLiteral