Assessing the Effect of Data Imports on the Completeness of OpenStreetMap – A United States Case Study

摘要: The assessment of OpenStreetMap (OSM) data quality has become an interdisciplinary research area over the recent years. question whether OSM road network should be updated through periodic imports from public domain data, or currency rather rely on more traditional collection efforts by active contributors, led to perpetual debates within community. A US Census TIGER/Line 2005 import into was accomplished in early 2008, which generated a foundation for community members US. In this study we perform longitudinal analysis comparing development and since initial import. is performed 50 states District Columbia, 70 Urbanized Areas. almost all tested Areas, misses roads motorized traffic when compared with street while significant contri- butions could observed pedestrian related corresponding data. We conclude that improved new editor tools allowing contributors trace current