メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.817135526165 38.0823475729437, 140.81694005695 38.0832350467922, 140.816431203369 38.083170502831, 140.816048538704 38.0831220225683, 140.815317180987 38.0830292861868, 140.813624324849 38.0828147645824, 140.813635270353 38.0828025179185, 140.813707253671 38.0826034612168, 140.81488210846 38.0819706748657, 140.815582107223 38.0816022031488, 140.815738065708 38.0815297208669, 140.815843978542 38.0814617366732, 140.815909875489 38.0814190888946, 140.81623776728 38.0811885290072, 140.817263439021 38.0817665754497, 140.817135526165 38.0823475729437)) ^^http://www.opengis.net/ont/geosparql#wktLiteral