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相关论文: SAFE: A Neural Survival Analysis Model for Fraud E…

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Machine learning models -- deep neural networks in particular -- have performed remarkably well on benchmark datasets across a wide variety of domains. However, the ease of finding adversarial counter-examples remains a persistent problem…

机器学习 · 计算机科学 2024-09-13 Charles Meyers , Mohammad Reza Saleh Sedghpour , Tommy Löfstedt , Erik Elmroth

We present neural frailty machine (NFM), a powerful and flexible neural modeling framework for survival regressions. The NFM framework utilizes the classical idea of multiplicative frailty in survival analysis to capture unobserved…

机器学习 · 计算机科学 2023-10-05 Ruofan Wu , Jiawei Qiao , Mingzhe Wu , Wen Yu , Ming Zheng , Tengfei Liu , Tianyi Zhang , Weiqiang Wang

Survival Analysis (SA) models the time until an event occurs, with applications in fields like medicine, defense, finance, and aerospace. Recent research indicates that Neural Networks (NNs) can effectively capture complex data patterns in…

机器学习 · 统计学 2025-09-08 Michael Potter , Stefano Maxenti , Michael Everett

In many online platforms, customers' decisions are substantially influenced by product rankings as most customers only examine a few top-ranked products. Concurrently, such platforms also use the same data corresponding to customers'…

机器学习 · 计算机科学 2020-09-14 Negin Golrezaei , Vahideh Manshadi , Jon Schneider , Shreyas Sekar

Probabilistic security assessment and real-time dynamic security assessments (DSA) are promising to better handle the risks of system operations. The current methodologies of security assessments may require many time-domain simulations for…

系统与控制 · 电气工程与系统科学 2023-01-06 Jochen L. Cremer , Goran Strbac

There is currently great interest in applying neural networks to prediction tasks in medicine. It is important for predictive models to be able to use survival data, where each patient has a known follow-up time and event/censoring…

机器学习 · 统计学 2020-02-12 Michael F. Gensheimer , Balasubramanian Narasimhan

The viral propagation of fake posts on online social networks (OSNs) has become an alarming concern. The paper aims to design control mechanisms for fake post detection while negligibly affecting the propagation of real posts. Towards this,…

概率论 · 数学 2023-09-22 Khushboo Agarwal , Veeraruna Kavitha

Malware continues to evolve rapidly, and more than 450,000 new samples are captured every day, which makes manual malware analysis impractical. However, existing deep learning detection models need manual feature engineering or require high…

密码学与安全 · 计算机科学 2022-05-10 Jiawei Xu , Wenxuan Fu , Haoyu Bu , Zhi Wang , Lingyun Ying

Credit risk assessment is a crucial aspect of financial decision-making, enabling institutions to predict the likelihood of default and make informed lending decisions. Two prominent methodologies in credit risk modeling are logistic…

应用统计 · 统计学 2026-04-30 Cheng Lee , Hsi Lee

Automated fraud behaviors detection on electronic payment platforms is a tough problem. Fraud users often exploit the vulnerability of payment platforms and the carelessness of users to defraud money, steal passwords, do money laundering,…

密码学与安全 · 计算机科学 2019-09-06 Ruoyu Deng , Na Ruan

Money laundering is the crucial mechanism utilized by criminals to inject proceeds of crime to the financial system. The primary responsibility of the detection of suspicious activity related to money laundering is with the financial…

机器学习 · 计算机科学 2020-11-18 Utku Görkem Ketenci , Tolga Kurt , Selim Önal , Cenk Erbil , Sinan Aktürkoğlu , Hande Şerban İlhan

Making disguise between real and fake news propagation through online social networks is an important issue in many applications. The time gap between the news release time and detection of its label is a significant step towards…

社会与信息网络 · 计算机科学 2019-09-06 Maryam Ramezani , Mina Rafiei , Soroush Omranpour , Hamid R. Rabiee

Reducing user attrition, i.e. churn, is a broad challenge faced by several industries. In mobile social games, decreasing churn is decisive to increase player retention and rise revenues. Churn prediction models allow to understand player…

机器学习 · 统计学 2017-10-09 África Periáñez , Alain Saas , Anna Guitart , Colin Magne

With the development of high technology, the scope of fraud is increasing, resulting in annual losses of billions of dollars worldwide. The preventive protection measures become obsolete and vulnerable over time, so effective detective…

机器学习 · 计算机科学 2021-09-30 Sergey Afanasiev , Anastasiya Smirnova , Diana Kotereva

Gaining the trust and confidence of customers is the essence of the growth and success of financial institutions and organizations. Of late, the financial industry is significantly impacted by numerous instances of fraudulent activities.…

机器学习 · 计算机科学 2023-03-10 Yelleti Vivek , Vadlamani Ravi , Abhay Anand Mane , Laveti Ramesh Naidu

Security-sensitive applications that rely on Deep Neural Networks (DNNs) are vulnerable to small perturbations that are crafted to generate Adversarial Examples(AEs). The AEs are imperceptible to humans and cause DNN to misclassify them.…

密码学与安全 · 计算机科学 2021-06-22 Ahmed Aldahdooh , Wassim Hamidouche , Olivier Déforges

The UK anti-fraud charity Fraud Advisory Panel (FAP) in their review of 2016 estimates business costs of fraud at 144 billion, and its individual counterpart at 9.7 billion. Banking, insurance, manufacturing, and government are the most…

机器学习 · 计算机科学 2022-05-11 Tuan Tran

In the contemporary era, online social networks have become integral to social life, revolutionizing the way individuals manage their social connections. While enhancing accessibility and immediacy, these networks have concurrently given…

社会与信息网络 · 计算机科学 2023-11-22 Vertika Singh , Naman Tolasaria , Patel Meet Alpeshkumar , Shreyash Bartwal

Accurate prediction of disease trajectories is critical for early identification and timely treatment of patients at risk. Conventional methods in survival analysis are often constrained by strong parametric assumptions and limited in their…

机器学习 · 计算机科学 2018-11-28 Daniel Jarrett , Jinsung Yoon , Mihaela van der Schaar

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