Collective efficacy is a neighbourhood social process that has important benefits for crime prevention. Policing thought to be one antecedent collective efficacy, but the mechanisms by which police activity and officer behaviour are foster not well understood. This article presents findings from rapid evidence assessment conducted take stock of empirical research on policing efficacy. Thirty-ni...

Formal response organizations perform rapid damage assessments after natural and human-induced disasters to measure the extent of infrastructures such as roads, bridges, buildings. This time-critical task, when performed using traditional approaches experts surveying disaster areas, poses serious challenges delays response. paper presents an AI-based system that leverages citizen science collec...