Are global terrorist attacks time-correlated?

被引:28
|
作者
Telesca, L [1 ]
Lovallo, M [1 ]
机构
[1] CNR, Ist Metodol Anal Ambientale, I-85050 Tito, PZ, Italy
关键词
terrorism; Allan factor; scaling; correlation; time-clustering;
D O I
10.1016/j.physa.2005.08.030
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Is there any kind of "memory" in the sequence of terror attacks worldwide? Are the terrorist attacks non-randomly time distributed? Our analysis suggests that they are correlated, which means that a terror event is not independent from the time elapsed since the previous event. But, if we consider terror attacks with a large severity index (number of fatalities or injured), the phenomenon is unpredictable, since it approaches a Poisson process (random, independent and uncorrelated). (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:480 / 484
页数:5
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