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Accounting fraud is a global concern representing a significant threat to the financial system stability due to the resulting diminishing of the market confidence and trust of regulatory authorities. Several tricks can be used to commit…

机器学习 · 统计学 2018-05-09 Maria Jofre , Richard Gerlach

Process mining leverages event data extracted from IT systems to generate insights into the business processes of organizations. Such insights benefit from explicitly considering the frequency of behavior in business processes, which is…

形式语言与自动机理论 · 计算机科学 2025-07-10 Tian Li , Artem Polyvyanyy , Sander J. J. Leemans

Crime prediction is crucial for public safety and resource optimization, yet is very challenging due to two aspects: i) the dynamics of criminal patterns across time and space, crime events are distributed unevenly on both spatial and…

机器学习 · 计算机科学 2022-04-26 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Liefeng Bo , Xiyue Zhang , Tianyi Chen

Multi-year digital forensic backlogs have become commonplace in law enforcement agencies throughout the globe. Digital forensic investigators are overloaded with the volume of cases requiring their expertise compounded by the volume of data…

密码学与安全 · 计算机科学 2020-12-04 Xiaoyu Du , Chris Hargreaves , John Sheppard , Felix Anda , Asanka Sayakkara , Nhien-An Le-Khac , Mark Scanlon

We describe a novel approach to monitoring high level behaviors using concepts from AI planning. Our goal is to understand what a program is doing based on its system call trace. This ability is particularly important for detecting malware.…

人工智能 · 计算机科学 2017-09-12 Alexandre Cukier , Ronen I. Brafman , Yotam Perkal , David Tolpin

In the field of fraud detection, the availability of comprehensive and privacy-compliant datasets is crucial for advancing machine learning research and developing effective anti-fraud systems. Traditional datasets often focus on…

机器学习 · 计算机科学 2024-04-24 Phoebe Jing , Yijing Gao , Xianlong Zeng

In recent years, urban safety has become a paramount concern for city planners and law enforcement agencies. Accurate prediction of likely crime occurrences can significantly enhance preventive measures and resource allocation. However,…

机器学习 · 计算机科学 2024-09-18 Sia Gupta , Simeon Sayer

As predictive models are increasingly being employed to make consequential decisions, there is a growing emphasis on developing techniques that can provide algorithmic recourse to affected individuals. While such recourses can be immensely…

机器学习 · 计算机科学 2023-04-20 Martin Pawelczyk , Himabindu Lakkaraju , Seth Neel

Relational machine learning studies methods for the statistical analysis of relational, or graph-structured, data. In this paper, we provide a review of how such statistical models can be "trained" on large knowledge graphs, and then used…

机器学习 · 统计学 2016-11-18 Maximilian Nickel , Kevin Murphy , Volker Tresp , Evgeniy Gabrilovich

Currently statistical and artificial neural network methods dominate in financial data mining. Alternative relational (symbolic) data mining methods have shown their effectiveness in robotics, drug design and other applications.…

计算工程、金融与科学 · 计算机科学 2007-05-23 B. Kovalerchuk , E. Vityaev , H. Yusupov

Credit risk modeling has permeated our everyday life. Most banks and financial companies use this technique to model their clients' trustworthiness. While machine learning is increasingly used in this field, the resulting large-scale…

密码学与安全 · 计算机科学 2020-10-07 Yuli Zheng , Zhenyu Wu , Ye Yuan , Tianlong Chen , Zhangyang Wang

This work presents a fraud and abuse detection framework for streaming services by modeling user streaming behavior. The goal is to discover anomalous and suspicious incidents and scale the investigation efforts by creating models that…

机器学习 · 计算机科学 2022-03-07 Soheil Esmaeilzadeh , Negin Salajegheh , Amir Ziai , Jeff Boote

Machine learning and data mining techniques are utiized for enhancement of the security of any network. Researchers used machine learning for pattern detection, anomaly detection, dynamic policy setting, etc. The methods allow the program…

密码学与安全 · 计算机科学 2024-08-31 Aviral Srivastava , Dhyan Thakkar , Sharda Valiveti , Pooja Shah , Gaurang Raval

Machine learning models are prone to memorizing sensitive data, making them vulnerable to membership inference attacks in which an adversary aims to guess if an input sample was used to train the model. In this paper, we show that prior…

密码学与安全 · 计算机科学 2020-12-10 Liwei Song , Prateek Mittal

In this paper, a new method of detection of election fraud is proposed. This method is based on the calculation of the ratio of two standard normal random variables; estimation of parameters of obtained sample and comparison of these…

统计方法学 · 统计学 2022-09-20 Ivan H. Krykun

Advanced Persistent Threats (APTs) are difficult to detect due to their complexity and stealthiness. To mitigate such attacks, many approaches model entities and their relationship using provenance graphs to detect the stealthy and…

密码学与安全 · 计算机科学 2026-01-06 Wenhao Yan , Ning An , Wei Qiao , Weiheng Wu , Bo Jiang , Zhigang Lu , Baoxu Liu , Junrong Liu

Cybercrime is one of the major digital threats of this century. In particular, ransomware attacks have significantly increased, resulting in global damage costs of tens of billion dollars. In this paper, we train and test different Machine…

密码学与安全 · 计算机科学 2022-11-29 Benjamin Marais , Tony Quertier , Stéphane Morucci

This paper utilizes statistical data from various open datasets in Calgary to to uncover patterns and insights for community crimes, disorders, and traffic incidents. Community attributes like demographics, housing, and pet registration…

计算机与社会 · 计算机科学 2024-08-01 Zack Dewis , Apratim Sen , Jeffrey Wong , Yujia Zhang

Reinforcement learning (RL) is concerned with how intelligence agents take actions in a given environment to maximize the cumulative reward they receive. In healthcare, applying RL algorithms could assist patients in improving their health…

机器学习 · 统计学 2025-04-21 Chengchun Shi

In order to understand the application of computer technology in financial investment, the author proposes a research on the application of computer technology in financial investment. The author used user transaction data from a certain…

计算工程、金融与科学 · 计算机科学 2024-07-30 Xinye Sha