メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.46636918383 37.757096639041, 140.466440663939 37.7577281167437, 140.46646186328 37.758400130753, 140.466181222975 37.7583978381489, 140.465471104415 37.7584016510023, 140.465015240476 37.7584017014333, 140.464059604349 37.758378383143, 140.46395314288 37.7572691130334, 140.463891669179 37.7565761954082, 140.463855205539 37.7561347351948, 140.464875335645 37.7560978739668, 140.466286709028 37.756022860168, 140.46633781693 37.7566879557796, 140.466353975343 37.7568986301506, 140.46636918383 37.757096639041)) ^^http://www.opengis.net/ont/geosparql#wktLiteral