نتایج جستجو برای: crime rates

تعداد نتایج: 457067  

Journal: :The Journal of Criminal Law, Criminology, and Police Science 1970

2011
Jintana Khemprasit

Crime is a major societal problem for most of the world's nations. Consequently, the police need to develop new methods to improve their efficiency in dealing with these ever increasing crime rates. Two of the common difficulties that the police face in crime control are crime investigation and the provision of crime information to the general public to help them protect themselves. Crime contr...

2005

A c r o n y m s 3 0 2 Executive Summary This study forms part of the Thames Gateway London Partnership (TGLP) Crime and Design Project. The Crime and Design Project aims at developing a set of principles, a 'theme guide', that can inform the development of safe and attractive communities as a goal of regeneration. The links between crime, urban design and the fabric of the built environment are...

2004
Steven D. Levitt

C rime fell sharply in the United States in the 1990s, in all categories of crime and all parts of the nation. Homicide rates plunged 43 percent from the peak in 1991 to 2001, reaching the lowest levels in 35 years. The Federal Bureau of Investigation’s (FBI) violent and property crime indexes fell 34 and 29 percent, respectively, over that same period. These declines occurred essentially witho...

2012
Michael W. Milo Sarah C. Richards Parang Saraf Tirtha Bhattacharjee

Crime prediction is a topic of significant research across the fields of criminology, data mining, city planning, law enforcement, and political science. Crime patterns exist on a spatial level; these patterns can be grouped geographically by physical location, and analyzed contextually based on the region in which crime occurs. This paper proposes a mechanism to parameterize street-level crime...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Marc Barthélemy Jean-Pierre Nadal Henri Berestycki

A single social phenomenon (such as crime, unemployment, or birthrate) can be observed through temporal series corresponding to units at different levels (i.e., cities, regions, and countries). Units at a given local level may follow a collective trend imposed by external conditions, but also may display fluctuations of purely local origin. The local behavior is usually computed as the differen...

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