Neural Network-Based Modeling for Risk Evaluation and Early Warning for Large-Scale Sports Events

Chenghao Zhong, Wengao Lou () and Chuting Wang
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Chenghao Zhong: College of Physical Education and Health, Shanghai Business School, Shanghai 200235, China
Wengao Lou: School of Information Management, Shanghai Lixin University of Accounting and Finance, Shanghai 201209, China
Chuting Wang: Risk Lab, University of Toronto, Toronto, ON M5T 2S8, Canada

Mathematics, 2022, vol. 10, issue 18, 1-16

Abstract: [Problem] The risks of hosting large-scale sports events are very difficult to evaluate and often directly affected by natural environment risks, events management risks, and social environment risks. Before hosting the events, accurately assessing these risks can effectively minimize the occurrence of risks and reduce the subsequent losses. [Aim] In this article, we advocate the use of a back propagation neural network (BPNN) model for risk evaluation and early warning of large-scale sports events. [Methods] We first use expert surveys to assess the risks of 28 large-scale sports events using 12 indicators associated with climate conditions, events management, and natural disasters. We then apply the BPNN model to evaluate the risks of 28 large-scale sports events with sufficient samples by adding white noise with mean zero and small variance to the small actual samples. We provide a general rule to establish a BPNN model with insufficient and small samples. [Results] Our research results show that the recognition accuracy of the established BPNN model is 86.7% for the 15 simulation samples and 100% for the 28 actual samples. Based on this BPNN model, we determined and ranked the risk level of the events and the importance of each indicator. Thus, sample S8 had the highest risk and the second highest was sample S14, and indicator nine was the most important and indicator one the least important. [Conclusions] We can apply the established BPNN model to conveniently evaluate the risk of hosting a large-scale sports event. By analyzing the nonlinear relationship between each indicator and the risk of the sports event, and applying the established BPNN model, we can propose more targeted and effective measures and suggestions for eliminating and decreasing the risks of hosting a large-scale sports event, and ensure large-scale sports events can be successfully hosted.

Keywords: neural network; large-scale sports event (LSSE); early warning; risk evaluation; samples; training (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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