Journal of Jishou University(Social Sciences)

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On the Prediction of Tourist Volume Based on Network Search Index and EMD-ARIMA-BP Combination Model:A Case Study of Zhangjiajie

LU Lijun   

  1. (1.College of Tourism,Central South University of Forestry and Technology,Changsha 410004,China;2.College of Economics and Management,Hengyang Normal University,Hengyang 421008,Hunan China;3.Hunan Human Settlement Environment Research Base,Hengyang Normal University,Hengyang 421008,Hunan China)
  • Online:2019-01-01 Published:2019-01-26

Abstract: Scientific prediction of tourist volume is helpful to perfect the early warning system of tourism security and optimize the allocation system of tourism resources.In order to further improve the accuracy of tourist volume prediction,a combination model of EMD-ARIMA-BP neural network based on web search index is proposed to explore the new rules of travel behavior of tourism consumers in the Internet age.The model firstly synthesizes the web search behavior data exponentially,using the EMD algorithm to deal with the noise of the visitor volume and the web search behavior data,combining the econometric prediction model and the BP neural network model to predict tourist volume.The empirical analysis takes the prediction of tourist volume in Zhangjiajie as an example.The results are as follows:(1) it is feasible to predict the travel behavior of tourism consumers by using web search behavior data,and real-time network data can greatly improve the timeliness of prediction;(2) after de-noising the data of tourist volume and web search behavior with EMD de-noising method,the prediction accuracy of tourist volume is improved to a great extent;(3) the prediction error based on the combination of network search index and EMD-ARIMA-BP neural network model is significantly lower than the three benchmark models of ARIMA time series,econometric prediction model and BP neural network.

Key words: network search index, ARIMA model, EMD algorithm, BP neural network;prediction of tourist volume

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