Illegal vehicle parking is a common urban problem faced by major cities in the world, as it incurs traffic jams, which lead to air pollution and accidents. The government highly relies on active human efforts detect illegal events. However, such an approach extremely ineffective cover large city since police have patrol over entire roads. massive high-quality sharing bike trajectories from Mobi...

The aim of this paper was to summarize scientific literature on obesity in policemen through a systematic review of observational studies. For this purpose the following electronic databases were selected: Medline by Pubmed, CINAHL, and Scopus; and a manual search of the referenced studies concerning this topic was performed. There were no restrictions with respect to the year or language of th...

In this preliminary study involving 30 police school trainees. Interpersonal Process Recall project stimulus films were used in an effort to sensitize policemen to their aggressive feelings and self-control problems in dealing with riots. demonstrations, and other stressful situations. During six filmed vignettes progressing frcm mild to intense degrees of rejection. viewers were instructed to ...

Background and objective In 2006, all the military policemen deployed in Reunion Island during the chikungunya outbreak were enquired, 25% self-declared chikungunya infection (CHIK+) and 19% had positive serology. In 2008, a self-questionnaire was sent to the same persons, 403 responded, 101 were CHIK +. The latter presented higher frequency of rheumatic disorders and significantly lower qualit...

We consider the following problem: Given a finite set of straight line segments in the plane, determine the positions of a minimal number of points on the segments, from which guards can see all segments. This problem can be interpreted as looking for a minimal number of locations of policemen, guards, cameras or other sensors, that can observe a network of streets, corridors, tunnels, tubes, e...

Some measures to counter car accident have been taken from various angels in recent times, while their epidemiological consideration has not sufficiently been given. The presentation here is a study on the latter problem. Three elements have to be taken into account when car accident is to be investigated epidemiologically; first, car traffic itself, secondly what is related to main constituent...