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Traditional crime prediction techniques are slow and inefficient when generating predictions as crime increases rapidly \cite{r15}. To enhance traditional crime prediction methods, a Long Short-Term Memory and Gated Recurrent Unit model was…

机器学习 · 计算机科学 2024-09-04 Patricia Dao , Jashmitha Sappa , Saanvi Terala , Tyson Wong , Michael Lam , Kevin Zhu

Gang violence is a major problem in the United States accounting for a large fraction of homicides and other violent crime. In this paper, we study the problem of early identification of violent gang members. Our approach relies on modified…

社会与信息网络 · 计算机科学 2015-08-20 Elham Shaabani , Ashkan Aleali , Paulo Shakarian , John Bertetto

The object of this paper is to develop a statistical approach to criminal linkage analysis that discovers and groups crime events that share a common offender and prioritizes suspects for further investigation. Bayes factors are used to…

应用统计 · 统计学 2014-10-10 Michael D. Porter

Background: External validation is essential for assessing the transportability of predictive models. However, its interpretation is often confounded by differences between external and development populations. This study introduces a…

统计方法学 · 统计学 2026-05-13 Mohammad Azizmalayeri , Ameen Abu-Hanna , Saskia Houterman , Marije M. Vis , Giovanni Cinà

We develop a Bayesian modeling framework to address a pressing real-life problem faced by the police in tackling insurgent gangs. Unlike criminals associated with common crimes such as robbery, theft or street crime, insurgent gangs are…

应用统计 · 统计学 2024-01-03 Karthik Sriram , Dhruv Gupta , Rajiv Parikh

In many fields, researchers are interested in large and complex biological processes. Two important examples are gene expression and DNA methylation in genetics. One key problem is to identify aberrant patterns of these processes and…

应用统计 · 统计学 2012-10-03 Matthias Kormaksson , James G. Booth , Maria E. Figueroa , Ari Melnick

This article investigates crime patterns across European countries in 2022 using Compositional Data Analysis (CoDA) to address limitations of traditional statistical approaches in dealing with the relative nature of crime data. Recognizing…

应用统计 · 统计学 2025-02-18 Onur Batın Doğan , Fatma Sevinç Kurnaz

Nowadays, 23% of the world population lives in multi-million cities. In these metropolises, criminal activity is much higher and violent than in either small cities or rural areas. Thus, understanding what factors influence urban crime in…

社会与信息网络 · 计算机科学 2020-04-15 Marco De Nadai , Yanyan Xu , Emmanuel Letouzé , Marta C. González , Bruno Lepri

Joint models of longitudinal and event-time data have been extensively studied and applied in many different fields. Estimation of joint models is challenging, most present procedures are computational expensive and have a strict…

统计方法学 · 统计学 2018-09-05 Yanqiao Zheng , Xiaobing Zhao , Xiaoqi Zhang

Data mining is the process in which we extract the different patterns and useful Information from large dataset. According to London police, crimes are immediately increases from beginning of 2017 in different borough of London. No useful…

计算机与社会 · 计算机科学 2020-03-19 Khawar Islam , Akhter Raza

Score-based models have recently been introduced as a richer framework to model distributions in high dimensions and are generally more suitable for generative tasks. In score-based models, a generative task is formulated using a parametric…

机器学习 · 计算机科学 2023-02-07 Harsh Mishra , Jurijs Nazarovs , Manmohan Dogra , Sathya N. Ravi

Models play an essential role in the design process of cyber-physical systems. They form the basis for simulation and analysis and help in identifying design problems as early as possible. However, the construction of models that comprise…

A two-component model for the evolution of real GDP per capita in the USA is presented and tested. The first component of the GDP growth rate represents an economic trend and is inversely proportional to the attained level of real GDP per…

综合金融 · 定量金融 2008-12-02 Ivan O. Kitov , Oleg I. Kitov , Svetlana A. Dolinskaya

Sequence analysis is an increasingly popular approach for analysing life courses represented by ordered collections of activities experienced by subjects over time. Here, we analyse a survey data set containing information on the career…

统计方法学 · 统计学 2021-12-22 Keefe Murphy , Thomas Brendan Murphy , Raffaella Piccarreta , Isobel Claire Gormley

In this study, we introduce a new approach to combine multi-classifiers in an ensemble system. Instead of using numeric membership values encountered in fixed combining rules, we construct interval membership values associated with each…

机器学习 · 计算机科学 2017-03-17 Tien Thanh Nguyen , Xuan Cuong Pham , Alan Wee-Chung Liew , Witold Pedrycz

The classification of crime into discrete categories entails a massive loss of information. Crimes emerge out of a complex mix of behaviors and situations, yet most of these details cannot be captured by singular crime type labels. This…

计算与语言 · 计算机科学 2018-08-08 Da Kuang , P. Jeffrey Brantingham , Andrea L. Bertozzi

While the presence of clustering in crime and security event data is well established, the mechanism(s) by which clustering arises is not fully understood. Both contagion models and history independent correlation models are applied, but…

应用统计 · 统计学 2013-12-02 George Mohler

Stepped wedge cluster-randomized trial (CRTs) designs randomize clusters of individuals to intervention sequences, ensuring that every cluster eventually transitions from a control period to receive the intervention under study by the end…

统计方法学 · 统计学 2025-02-19 Alessandro Gasparini , Michael J. Crowther , Emiel O. Hoogendijk , Fan Li , Michael O. Harhay

[Context] Researchers analyze underground forums to study abuse and cybercrime activities. Due to the size of the forums and the domain expertise required to identify criminal discussions, most approaches employ supervised machine learning…

社会与信息网络 · 计算机科学 2023-08-21 Giorgio Di Tizio , Gilberto Atondo Siu , Alice Hutchings , Fabio Massacci

Model merging is an effective strategy to merge multiple models for enhancing model performances, and more efficient than ensemble learning as it will not introduce extra computation into inference. However, limited research explores if the…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Hu Wang , Ibrahim Almakky , Congbo Ma , Numan Saeed , Mohammad Yaqub