メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.31759690465 38.2518683364235, 140.317735435637 38.2522607356382, 140.317869252155 38.252675919835, 140.318016922712 38.2530635716669, 140.316074055451 38.2530509434713, 140.314704696139 38.2532945030057, 140.313772703969 38.2534560786814, 140.311856748024 38.2538250129619, 140.310164840887 38.2541409950391, 140.310058049489 38.2536394841657, 140.309841729404 38.2526082939737, 140.309853343487 38.252606796967, 140.310546275009 38.2525173931206, 140.311468599027 38.2523904311739, 140.312181969961 38.2522880162576, 140.31261419999 38.252226020057, 140.314270387965 38.2519938894714, 140.317463082607 38.2514604723687, 140.31759690465 38.2518683364235)) ^^http://www.opengis.net/ont/geosparql#wktLiteral