Data formats Source routes.dat Airline Airline ID Source airport Source airport ID Destination airport Destination airport ID Codeshare Stops Equipment airports.dat Airport ID Name City Country or territory IATA ICAO Latitude Longitude Altitude Timezone DST Tz Type Source openflights*.png These two files are visualizations of the data in airports.dat and routes.dat NOTE: They are directly from the the source Results budget_impact, centrality_metrics, max_entropy Each column is the performance of the strategy listed in the header For max_entropy the betweeness centrality based heuristic was used