Terrorists and extremists are increasingly utilizing Internet technology to enhance their ability to influence the outside world. Due to the lack of multi-lingual and multimedia terrorist/extremist collections and advanced analytical methodologies, our empirical understanding of their Internet usage is still very limited. To address this research gap, we explore an integrated approach for ident...

in this article author examines the developments of al-qaeda after september 11 terrorist attacks. the core idea of the text is that al-qaeda has been changed from a hierarchical organization to a complex, flexible and dynamic with a global reach after 9/11 and subsequently u.s attacks on afghanistan in 2001. in other words al-qaeda that we knew as an organization before 9/11 has been changed t...

Knowledge about the structure and organization of terrorist networks is important for both terrorism investigation and the development of effective strategies to prevent terrorists’ attacks. However, except for network visualization, terrorist network analysis remains primarily a manual process. Existing tools do not provide advanced structural analysis techniques that allow extraction of netwo...

Terrorism is a global issue and a constant international threat. As a result, anti-terrorism and emergency response strategies are tasks of critical importance that have a direct impact on the national security of every country in the world. This paper reviews new characteristics of international anti-terrorism measures and offers an in-depth reflection on emergency medical response countermeas...

T he United States cannot conduct an eff ective counterterrorism campaign against al Qa’ida or other terrorist groups without understanding how such groups end. While it is clear that U.S. policymakers will need to turn to a range of policy instruments to conduct such campaigns—including careful police and intelligence work, military force, political negotiations, and economic sanctions—what is...