440 citations · 5k across the 111 of their papers we have counts for
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Structural evolution of international crop trade networks
Yin-Ting Zhang, Wei-Xing Zhou
Food security is a critical issue closely linked to human being. With the increasing demand for food, international trade has become the main access to supplementing domestic food…
Impact of the Russia-Ukraine conflict on the international staple agrifood trade networks
Yin-Ting Zhang, Mu-Yao Li, Wei-Xing Zhou
The Russia-Ukraine conflict is a growing concern worldwide and poses serious threats to regional and global food security. Using monthly trade data for maize, rice, and wheat from…
An interpretable machine-learned model for international oil trade network
Wen-Jie Xie, Na Wei, Wei-Xing Zhou
Energy security and energy trade are the cornerstones of global economic and social development. The structural robustness of the international oil trade network (iOTN) plays an im…
Economy importance and structural robustness of the international pesticide trade networks
Jian-An Li, Li Wang, Wen-Jie Xie +1
Pesticides are a kind of agricultural input, whose use can greatly reduce yield loss, regulate plant growth, effectively liberate agricultural productivity, and improve food securi…
Impact of shocks to economies on the efficiency and robustness of the international pesticide trade networks
Jian-An Li, Li Wang, Wen-Jie Xie +1
Pesticides are important agricultural inputs to increase agricultural productivity and improve food security. The availability of pesticides is partially achieved through internati…
Quantifying the temporal stability of international fertilizer trade networks
Mu-Yao Li, Li Wang, Wen-Jie Xie +1
The importance of fertilizers to agricultural production is undeniable, and most economies rely on international trade for fertilizer use. The stability of fertilizer trade network…
Evolving community structure in the international pesticide trade networks
Jian-An Li, Li Wang, Wen-Jie Xie +1
The statistical properties including community structure of the international trade networks of all commodities as a whole have been studied extensively. However, the international…
Highway freight transportation diversity of cities based on radiation models
Li Wang, Jun-Chao Ma, Zhi-Qiang Jiang +2
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 citie…
Non-Poisson donation behaviors in virtual worlds
Yan-Hong Yang, Ming-Xia Li, Wei-Xing Zhou +1
Similar to charitable giving in real world, donation behaviors play an important role in the complex interactions among individuals in virtual worlds. However, it is not clear if t…
Time series classification based on triadic time series motifs
Wen-Jie Xie, Rui-Qi Han, Wei-Xing Zhou
It is of great significance to identify the characteristics of time series to qualify their similarity. We define six types of triadic time-series motifs and investigate the motif…
Network analysis of the worldwide footballer transfer market
Ming-Xia Li, Wei-Xing Zhou, H. Eugene Stanley
The transfer of football players is an important part in football games. Most studies on the transfer of football players focus on the transfer system and transfer fees but not on…
Communication cliques in mobile phone calling networks
Ming-Xia Li, Wen-Jie Xie, Zhi-Qiang Jiang +1
People in modern societies form different social networks through numerous means of communication. These communication networks reflect different aspects of human's societal struct…
Two-state Markov-chain Poisson nature of individual cellphone call statistics
Zhi-Qiang Jiang, Wen-Jie Xie, Ming-Xia Li +2
Humans are heterogenous and the behaviors of individuals could be different from that at the population level. We conduct an in-depth study of the temporal patterns of cellphone co…
Division of labor, skill complementarity, and heterophily in socioeconomic networks
Wen-Jie Xie, Ming-Xia Li, Zhi-Qiang Jiang +4
Constituents of complex systems interact with each other and self-organize to form complex networks. Empirical results show that the link formation process of many real networks fo…
Triadic motifs in the dependence networks of virtual societies
Wen-Jie Xie, Ming-Xia Li, Zhi-Qiang Jiang +1
In friendship networks, individuals have different numbers of friends, and the closeness or intimacy between an individual and her friends is heterogeneous. Using a statistical fil…
Statistically validated mobile communication networks: Evolution of motifs in European and Chinese data
Ming-Xia Li, Vasyl Palchykov, Zhi-Qiang Jiang +6
Big data open up unprecedented opportunities to investigate complex systems including the society. In particular, communication data serve as major sources for computational social…
Network Risk and Forecasting Power in Phase-Flipping Dynamical Networks
B. Podobnik, A. Majdandzic, C. Curme +4
In order to model volatile real-world network behavior, we analyze phase-flipping dynamical scale-free network in which nodes and links fail and recover. We investigate how stochas…
An improved HeatS+ProbS hybrid recommendation algorithm based on heterogeneous initial resource configurations
Chuang Liu, Wei-Xing Zhou
Network-based recommendation algorithms for user-object link predictions have achieved significant developments in recent years. For bipartite graphs, the reallocation of resource…
On the growth of primary industry and population of China's counties
Wen-Jie Xie, Gao-Feng Gu, Wei-Xing Zhou
The growth dynamics of complex organizations have attracted much interest of econophysicists and sociophysicists in recent years. However, most of the studies are done for develope…
Statistical properties of online avatar numbers in a massive multiplayer online role-playing game
Zhi-Qiang Jiang, Fei Ren, Gao-Feng Gu +2
Massive multiplayer online role-playing games (MMORPGs) are very popular in past few years. The profit of an MMORPG company is proportional to how many users registered, and the in…