Zobrazeno 1 - 10
of 244
pro vyhledávání: '"Zhi Qiang Jiang"'
Publikováno v:
Journal of Management Science and Engineering, Vol 9, Iss 4, Pp 510-521 (2024)
Intermittent or multifractal behavior has been reported in various markets, and the impact of the COVID-19 pandemic has been investigated. However, the impact of the COVID-19 pandemic on global spot markets for staple foods has not yet been studied.
Externí odkaz:
https://doaj.org/article/637a43913d73494d8dbbfd0fedd443cc
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
Externí odkaz:
https://doaj.org/article/d0957f25c59f4387a0fb4d5f45a48ccc
Publikováno v:
Mathematics, Vol 11, Iss 20, p 4352 (2023)
Logistics security, as the lifeline of the economy connecting production, distribution, and consumption, holds a pivotal position in the modern economic system, where any potential threats like natural disasters or cyber attacks could have far-reachi
Externí odkaz:
https://doaj.org/article/ab8f8f7fab574319abf5ccc25e7b9012
Publikováno v:
EPJ Data Science, Vol 9, Iss 1, Pp 1-15 (2020)
Abstract Empirical investor networks (EIN) proposed by Ozsoylev et al. are assumed to capture the information spreading path among investors. Here, we perform a comparative analysis between the EIN and the cellphone communication networks (CN) to tes
Externí odkaz:
https://doaj.org/article/7bb8dcd46af641078ed4e15aad737c38
Publikováno v:
EPJ Data Science, Vol 8, Iss 1, Pp 1-28 (2019)
Abstract The gravity law has been documented in many socioeconomic networks, which states that the flow between two nodes positively correlates with the strengths of the nodes and negatively correlates with the distance between the two nodes. However
Externí odkaz:
https://doaj.org/article/f24bbe636f5543fab3193c0023f80d09
Publikováno v:
Chinese Medical Journal, Vol 132, Iss 16, Pp 2004-2007 (2019)
Externí odkaz:
https://doaj.org/article/862a6dc6c0e8431b90f338db0a5ae29c
Publikováno v:
EPJ Data Science, Vol 6, Iss 1, Pp 1-14 (2017)
Abstract The availability of big data recorded from massively multiplayer online role-playing games (MMORPGs) allows us to gain a deeper understanding of the potential connection between individuals’ network positions and their economic outputs. We
Externí odkaz:
https://doaj.org/article/bddd232cb1324333b056a896b94a2033
Publikováno v:
Annals of Operations Research.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::180bf20a86e18d35d7b139154b7192e9
https://doi.org/10.1007/s10479-023-05379-2
https://doi.org/10.1007/s10479-023-05379-2
Publikováno v:
Entropy, Vol 23, Iss 5, p 637 (2021)
Using a unique data set containing about 15.06 million truck transportation records in five months, we investigate the highway freight transportation diversity of 338 Chinese cities based on the truck transportation probability pij from one city to a
Externí odkaz:
https://doaj.org/article/1fd546db5ee84f6290486f0ebbcbf787