Analysis of global terrorism dynamics by means of entropy and state space portrait

被引:0
|
作者
António M. Lopes
J. A. Tenreiro Machado
Maria Eugénia Mata
机构
[1] University of Porto,UISPA–LAETA/INEGI, Faculty of Engineering
[2] Polytechnic of Porto,Department of Electrical Engineering, Institute of Engineering
[3] Universidade Nova de Lisboa,Faculdade de Economia, Nova SBE
来源
Nonlinear Dynamics | 2016年 / 85卷
关键词
Dynamical systems; Entropy; Fractal dimension; State space portrait; Multidimensional scaling; Terrorism;
D O I
暂无
中图分类号
学科分类号
摘要
This paper studies the global terrorism dynamics over the period 1970–2014. Data about terrorist events are analyzed by means of several mathematical tools, namely fractal dimension, entropy, state space portrait and multidimensional scaling, that reflect the dynamics in time and space. In a first phase, we consider worldwide events and we unveil the space–time characteristics exhibited by the global terrorism statistics. In a second phase, we group the events into eight geographic regions, and we analyze terrorism dynamics in a regional perspective. Finally, in a third phase, we adopt a complementary analysis of global terrorism based on multidimensional scaling and clustering techniques. The proposed methodology reveals to support new directions for exploring terrorism data.
引用
收藏
页码:1547 / 1560
页数:13
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