Hao Chen

ORCID: 0009-0009-9155-049X
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Research Areas
  • HIV, Drug Use, Sexual Risk
  • Insurance and Financial Risk Management
  • Data-Driven Disease Surveillance
  • Financial Distress and Bankruptcy Prediction

First Affiliated Hospital of GuangXi Medical University
2019

Guangxi Medical University
2019

Guangxi, a province in southwestern China, has the second highest reported number of HIV/AIDS cases China. This study aimed to develop an accurate and effective model describe tendency HIV predict its incidence Guangxi. data Guangxi from 2005 2016 were obtained database Chinese Center for Disease Control Prevention. Long short-term memory (LSTM) neural network models, autoregressive integrated moving average (ARIMA) generalised regression (GRNN) models exponential smoothing (ES) used fit...

10.1017/s095026881900075x article EN Epidemiology and Infection 2019-01-01

This paper proposes a XGBoost-LSTM-A model for credit risk assessment of enterprises on supply chain. There are two main stages. For the first stage, we use XGBoost to select out top important features from system built. In second LSTM network capture dynamic nonlinear relationship between selected indicators and value time series, then fuse attention mechanism better filter more crucial information in hidden layer make results meaningful. Our solution not only innovatively series approach...

10.1145/3644523.3644603 article EN 2023-10-13
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