Results 141 to 150 of about 6,786,210 (175)

A Hybrid Model for Copper Futures Price Forecasting Utilizing Complexity-Aware Variational Mode Decomposition and Reconstruction and Multi-Behavior-Triggered Interaction Modeling. [PDF]

Entropy (Basel)
Li Y, Liu D.
europepmc   +1 more source

Comparative Performance of Wastewater, Clinical, and Digital Surveillance Indicators for COVID-19 Monitoring in Routine Practice: Retrospective Observational Study. [PDF]

J Med Internet Res
Zhang X, Lei Z, Wang Q, Wang R, Luo J, Jin E, Wei S, Wang Q.   +7 more
europepmc   +1 more source

Developing predictive models for COVID-19 positive tests based on the XGBoost and random forest algorithms with internet search data. [PDF]

BMC Public Health
Chang Y, Chen J, Chen X, Wu Y, Tang H, Wu G, Sun J, Liao Y, Chen H, Cai S, Hao Y, Zhang W, Du Z.   +12 more
europepmc   +1 more source

Public attention related to epidural labor analgesia in mainland China: Evidence from internet search data. [PDF]

Medicine (Baltimore)
Zhu X, Wang X, Zhang X, Jia P, He G, Chen F, Chen F.   +6 more
europepmc   +1 more source

Excess mortality in Mainland China after the end of the Zero COVID policy: A systematic review. [PDF]

Epidemiol Infect
Fung IC, Liang H, Pierce KJ, Kraay ANM, Kwok KO, Akhmetzhanov AR, Baiden FE, Unwin HJT, Kengne FB, Alhassan F, Chowell G.   +10 more
europepmc   +1 more source

The relationship between Bitcoin and Google Trends Index, Baidu Search Index: an empirical analysis

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A Novel Multi-Modal Analysis Model With Baidu Search Index for Subway Passenger Flow Forecasting

Engineering Applications of Artificial Intelligence, 2022
Abstract With the boom of big data, the Internet contains more and more personal behavior information, but it is difficult to extract effectively. A model involving multivariate processing capability must be constructed to deal with these time series with complex characteristics.
Shaolong Sun
exaly   +3 more sources

Public Attention and Xinjiang CPI - A Empirical Study Based on Baidu Search Index

2014 International Conference on Management Science & Engineering 21th Annual Conference Proceedings, 2014
In recent years, with the economic development of western China, the influence of Xinjiang CPI on national CPI is increasingly becoming great, so accurately predicting Xinjiang CPI has become very significant for the whole country. Considering this, this paper tentatively uses public attention based on Baidu search index to predict Xinjiang CPI.
Chao-qun Liu, Geng Peng, Hong-jie Wan
exaly   +2 more sources

Can the Baidu Index Predict Realized Volatility in the Chinese Stock Market?

Financial Innovation, 2021
This paper incorporates the Baidu Index into various heterogeneous autoregressive type time series models and shows that the Baidu Index is a superior predictor of realized volatility in the SSE 50 Index.
Dehua Shen
exaly   +2 more sources