Problem C
Given three products’ data of reviews and ratings, we utilized NLP, SVM, ARMA, Elastic Net Regression and developed influence factor model, TOPSIS model to identify their key patterns and measures.
This work is supported by National Natural Science Foundation of China (61672284, 41301407), Funding of Security Ability Construction of Civil Aviation Administration of China (AS-SA2015/21), Fundamental Research Funds for the Central Universities (NJ20160028, NT2018028, NS2018057).