BACKGROUND Little is known about the direction of causality among asthma, posttraumatic stress disorder (PTSD), and onset of gastroesophageal reflux symptoms (GERS) after exposure to the 9/11/2001 World Trade Center (WTC) disaster. METHODS Using data from the WTC Health Registry, we investigated the effects of early diagnosed post-9/11 asthma and PTSD on the late onset and persistence of GERS...

Prediction of terrorist group using historical data of attacks has been less explored due to the lack of detailed terrorist data which contain terrorist group's attacks and activities. The reasons may be its confidentiality & sensitivity. In this paper we have shown a terrorist group prediction model (TGPM) to predict the terrorist group involved in a given attack. This model initially lea...

Nowadays different types of web crawlers are available to perform variety of tasks. As internet is expanding the need of specialized web crawlers is also increasing with each passing days. Numbers of visualization tools which can be used to dynamically generate visual images are available in market. The need for visual representation of data increases in the case of counter terrorism. Terror ac...

When people learn that I study lethal injection, they are usually curious to know more (or at least they are polite enough to ask questions). Interestingly, the question that arises most often— from lawyers, law students, and laypeople—is why states behave as they do. In the wake of botched executions and ample evidence of lethal injection‘s dangers, why do states fail to address their executio...

A student, supported by his classmates, throws a piece of chalk at the teacher who is writing on the blackboard. The teacher rapidly turns back and promptly catches him in the act. The student blushes and suddenly realizes how bad it was what he did. What happened to the guy? Why did he decide to throw the piece of chalk? And why, after a few seconds, he would have liked that what he did had ne...

Terrorism, political system instability and currency rate fluctuations are the three most evident issues of 21st century. In this study, comparative analysis is performed to check the impact of all these issues on PSX Volatility. EGARCH (1,1) approach is used on four different kinds of data collected from 1st January 2000 to 31st December 2015. Terrorist events, FX return fluctuations with rest...

We examine how changes in perceptions of threat affect individuals’ policy views, as well as the political implications of this relationship. We administered a survey experiment to a representative sample of the U.S. population in which we exogenously manipulated individuals’ perceived likelihood of a future terrorist attack on American soil and assessed subsequent changes in support for terror...

OVERVIEW: Since the terrorist attacks of September 11, 2001, in the United States, various steps have been taken around the world to raise the level of security, including anti-terrorist steps, at key facilities and public places where people gather. In that context, the needs are increasing for physical security systems and related equipment. Centered on security systems it developed in the pa...