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Automated Feature Engineering (AFE) refers to automatically generate and select optimal feature sets for downstream tasks, which has achieved great success in real-world applications. Current AFE methods mainly focus on improving the…

机器学习 · 计算机科学 2022-12-27 Kafeng Wang , Pengyang Wang , Chengzhong xu

In this era of big data, feature selection techniques, which have long been proven to simplify the model, makes the model more comprehensible, speed up the process of learning, have become more and more important. Among many developed…

机器学习 · 统计学 2019-11-20 Thu Nguyen

Card transaction fraud is a growing problem affecting card holders worldwide. Financial institutions increasingly rely upon data-driven methods for developing fraud detection systems, which are able to automatically detect and block…

应用统计 · 统计学 2020-05-07 Sebastiaan Höppner , Bart Baesens , Wouter Verbeke , Tim Verdonck

In the face of large-scale automated social engineering attacks to large online services, fast detection and remediation of compromised accounts are crucial to limit the spread of new attacks and to mitigate the overall damage to users,…

密码学与安全 · 计算机科学 2018-01-29 Hassan Halawa , Matei Ripeanu , Konstantin Beznosov , Baris Coskun , Meizhu Liu

We develop a model to predict consumer default based on deep learning. We show that the model consistently outperforms standard credit scoring models, even though it uses the same data. Our model is interpretable and is able to provide a…

综合经济学 · 经济学 2019-10-07 Stefania Albanesi , Domonkos F. Vamossy

The goal of our 4-phase research project was to test if a machine-learning-based loan screening application (5D) could detect bad loans subject to the following constraints: a) utilize a minimal-optimal number of features unrelated to the…

风险管理 · 定量金融 2022-06-22 Alessandro Danovi , Marzio Roma , Davide Meloni , Stefano Olgiati , Fernando Metelli

Feature engineering is a crucial step in the process of predictive modeling. It involves the transformation of given feature space, typically using mathematical functions, with the objective of reducing the modeling error for a given…

人工智能 · 计算机科学 2017-09-22 Udayan Khurana , Horst Samulowitz , Deepak Turaga

Phishing detection on Ethereum has increasingly leveraged advanced machine learning techniques to identify fraudulent transactions. However, limited attention has been given to understanding the effectiveness of feature selection strategies…

密码学与安全 · 计算机科学 2025-04-28 Ahod Alghuried , Abdulaziz Alghamdi , Ali Alkinoon , Soohyeon Choi , Manar Mohaisen , David Mohaisen

With online payment platforms being ubiquitous and important, fraud transaction detection has become the key for such platforms, to ensure user account safety and platform security. In this work, we present a novel method for detecting…

机器学习 · 计算机科学 2020-03-30 Longfei Li , Ziqi Liu , Chaochao Chen , Ya-Lin Zhang , Jun Zhou , Xiaolong Li

Due to the recent increase in interest in Financial Technology (FinTech), applications like credit default prediction (CDP) are gaining significant industrial and academic attention. In this regard, CDP plays a crucial role in assessing the…

计算工程、金融与科学 · 计算机科学 2024-03-07 Rambod Rahmani , Marco Parola , Mario G. C. A. Cimino

Facial forgery by deepfakes has caused major security risks and raised severe societal concerns. As a countermeasure, a number of deepfake detection methods have been proposed. Most of them model deepfake detection as a binary…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Aakash Varma Nadimpalli , Ajita Rattani

This survey paper categorises, compares, and summarises from almost all published technical and review articles in automated fraud detection within the last 10 years. It defines the professional fraudster, formalises the main types and…

人工智能 · 计算机科学 2019-04-03 Clifton Phua , Vincent Lee , Kate Smith , Ross Gayler

In Artificial Intelligence, interpreting the results of a Machine Learning technique often termed as a black box is a difficult task. A counterfactual explanation of a particular "black box" attempts to find the smallest change to the input…

风险管理 · 定量金融 2021-07-23 Dan Wang , Zhi Chen , Ionut Florescu

This paper demonstrates the potential of statistical disclosure control for protecting the data used to train recommender systems. Specifically, we use a synthetic data generation approach to hide specific information in the user-item…

信息检索 · 计算机科学 2020-08-11 Manel Slokom , Martha Larson , Alan Hanjalic

In the most intrusion detection systems (IDS), a system tries to learn characteristics of different type of attacks by analyzing packets that sent or received in network. These packets have a lot of features. But not all of them is required…

密码学与安全 · 计算机科学 2013-05-13 Shafigh Parsazad , Ehsan Saboori , Amin Allahyar

Although existing face anti-spoofing (FAS) methods achieve high accuracy in intra-domain experiments, their effects drop severely in cross-domain scenarios because of poor generalization. Recently, multifarious techniques have been…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Shice Liu , Shitao Lu , Hongyi Xu , Jing Yang , Shouhong Ding , Lizhuang Ma

Since the emergence of joint-stock companies, financial fraud by listed firms has repeatedly undermined capital markets. Fraud is difficult to detect because of covert tactics and the high labor and time costs of audits. Traditional…

机器学习 · 计算机科学 2025-12-11 Xiao Li

Insurance fraud occurs when policyholders file claims that are exaggerated or based on intentional damages. This contribution develops a fraud detection strategy by extracting insightful information from the social network of a claim.…

社会与信息网络 · 计算机科学 2020-09-18 María Óskarsdóttir , Waqas Ahmed , Katrien Antonio , Bart Baesens , Rémi Dendievel , Tom Donas , Tom Reynkens

Fuzz testing has become a cornerstone technique for identifying software bugs and security vulnerabilities, with broad adoption in both industry and open-source communities. Directly fuzzing a function requires fuzz drivers, which translate…

Due to the popularity of the Internet and smart mobile devices, more and more financial transactions and activities have been digitalized. Compared to traditional financial fraud detection strategies using credit-related features, customers…

机器学习 · 计算机科学 2018-08-17 Ruinan Zhang , Fanglan Zheng , Wei Min