Complex systems, emergence, and multiscale analysis: A tutorial and brief survey

J Gao, B Xu - Applied Sciences, 2021 - mdpi.com
Mankind has long been fascinated by emergence in complex systems. With the rapidly
accumulating big data in almost every branch of science, engineering, and society, a golden …

[PDF][PDF] GDELT: 感知全球社会动态的事件大数据

沈石, 宋长青, 程昌秀, 高剑波… - WORLD REGIONAL …, 2020 - gde.bnu.edu.cn
正确解析国家间政治关系及其演化过程是开展地缘关系研究的重要基础. 从大数据的角度开展
地缘关系研究为该领域的探索提供了一种新的途径. 国家或区域的局部政治倾向数据无法为地缘 …

Complexity changes in the US and China's stock markets: Differences, causes, and wider social implications

J Gao, Y Hou, F Fan, F Liu - Entropy, 2020 - mdpi.com
How different are the emerging and the well-developed stock markets in terms of efficiency?
To gain insights into this question, we compared an important emerging market, the Chinese …

Topical dynamics of terrorism from a global perspective and a call for action on global risk

HSM Abbas, X Xu - International Journal of Disaster Risk Reduction, 2024 - Elsevier
Research on terrorism is a sensitive and critical aspect globally from a security perspective
that calls for an action policy. Since 9/11, terrorism has been considered a high risk or a …

Long‐range correlation analysis of soil temperature and moisture on A'rou hillsides, Babao River basin

T Zhang, S Shen, C Cheng, C Song… - Journal of Geophysical …, 2018 - Wiley Online Library
Studying the tendency of soil temperature and moisture can provide scientific support for
setting soil parameters for land surface hydrological model. Previous research has shown …

Persistence and corresponding time scales of soil moisture dynamics during summer in the Babao River Basin, Northwest China

S shen, S Ye, C Cheng, C Song, J Gao… - Journal of …, 2018 - Wiley Online Library
Soil moisture (SM) is an essential Earth surface and climate system variable. Insights into its
persistence and corresponding time scales can improve numerical modeling and climate …

A curious case of entropic decay: Persistent complexity in textual cultural heritage

KL Nielbo, KF Baunvig, B Liu… - Digital Scholarship in the …, 2019 - academic.oup.com
To understand an author's developmental trajectory, the static traits and properties of author
reconstruction and profiling are not sufficient. Instead, it is necessary to focus on high-level …

Spatiotemporal evolution of Nigeria's armed conflicts and terrorism and the associated shift in social perceptions

F Wang, J Gao, Y Liu - Humanities and Social Sciences …, 2024 - nature.com
Nigeria is one of the largest countries in Africa that is most severely affected by armed
conflict and terrorism. To help Nigeria design effective measures to curb armed conflicts and …

[PDF][PDF] 近40 年中美地缘政治关系波动及背景解析

沈石, 袁丽华, 叶思菁, 程昌秀, 高剑波… - Scientia Geographica …, 2019 - gde.bnu.edu.cn
基于GDELT 数据利用概率分析和自适应分形分析方法, 从合作与冲突的角度分析1979
年以来历届美国总统任期内中美态度的差异以及中美态度的持久性. 结果分析表明: ① …

Local alliances and rivalries shape near-repeat terror activity of al-Qaeda, ISIS, and insurgents

YL Chuang, N Ben-Asher… - Proceedings of the …, 2019 - National Acad Sciences
We study the spatiotemporal correlation of terrorist attacks by al-Qaeda, the Islamic State of
Iraq and Syria (ISIS), and local insurgents, in six geographical areas identified via k-means …