Forecasting air travel demand : looking at China Introduction Existing research Theoretical basis : TEI@I methodology Scientometric analysis of demand forecasting (1975 2015): a visual description An integrated short term forecasting framework with empirical mode decomposition method A novel seasonal decomposition based short term forecasting framework with Google trends data A medium term demand forecasting method based on stochastic frontier analysis and model average Long term air travel demand forecasting: an integrated method with ARDL bounds testing approach and scenario planning Conclusion and future research