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Anti-Money Laundering (AML) is a crucial task in ensuring the integrity of financial systems. One keychallenge in AML is identifying high-risk groups based on their behavior. Unsupervised learning, particularly clustering, is a promising…

统计金融 · 定量金融 2024-03-05 Ahmed N. Bakry , Almohammady S. Alsharkawy , Mohamed S. Farag , Kamal R. Raslan

As the first decentralized peer-to-peer (P2P) cryptocurrency system allowing people to trade with pseudonymous addresses, Bitcoin has become increasingly popular in recent years. However, the P2P and pseudonymous nature of Bitcoin make…

社会与信息网络 · 计算机科学 2022-01-20 Jiajing Wu , Jieli Liu , Weili Chen , Huawei Huang , Zibin Zheng , Yan Zhang

This paper proposes an enhanced coarray transformation model (EDCTM) and a mixed greedy maximum likelihood algorithm called List-Based Maximum Likelihood Orthogonal Matching Pursuit (LBML-OMP) for direction-of-arrival estimation with…

信号处理 · 电气工程与系统科学 2021-05-11 W. S. Leite , R. C. de Lamare

The application of graph representation learning techniques to the area of financial risk management (FRM) has attracted significant attention recently. However, directly modeling transaction networks using graph neural models remains…

机器学习 · 计算机科学 2023-02-07 Ruofan Wu , Boqun Ma , Hong Jin , Wenlong Zhao , Weiqiang Wang , Tianyi Zhang

Forecasting cryptocurrencies as a financial issue is crucial as it provides investors with possible financial benefits. A small improvement in forecasting performance can lead to increased profitability; therefore, obtaining a realistic…

计算金融 · 定量金融 2024-05-01 Hulusi Mehmet Tanrikulu , Hakan Pabuccu

Over the last few decades, many architectures have been developed that harness the power of neural networks to detect objects in near real-time. Training such systems requires substantial time across multiple GPUs and massive labeled…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Mayuresh Savargaonkar , Abdallah Chehade , Samir Rawashdeh

Financial institutions and businesses face an ongoing challenge from fraudulent transactions, prompting the need for effective detection methods. Detecting credit card fraud is crucial for identifying and preventing unauthorized…

Anomaly detecting as an important technical in cloud computing is applied to support smooth running of the cloud platform. Traditional detecting methods based on statistic, analysis, etc. lead to the high false-alarm rate due to…

机器学习 · 计算机科学 2019-01-29 Jing Zhang

Detecting anomalies has become increasingly critical to the financial service industry. Anomalous events are often indicative of illegal activities such as fraud, identity theft, network intrusion, account takeover, and money laundering.…

机器学习 · 计算机科学 2021-01-06 Hongda Shen , Eren Kursun

Launchpads have become the dominant mechanism for issuing memecoins, exposing investors to a new class of high-risk launches that existing rug-pull detection methods cannot capture. We argue that detecting these threats requires structured…

密码学与安全 · 计算机科学 2026-05-25 Sihao Hu , Selim Furkan Tekin , Yichang Xu , Ling Liu

In Multi-agent Reinforcement Learning (MARL), accurately perceiving opponents' strategies is essential for both cooperative and adversarial contexts, particularly within dynamic environments. While Proximal Policy Optimization (PPO) and…

人工智能 · 计算机科学 2024-06-11 Mohidul Haque Mridul , Mohammad Foysal Khan , Redwan Ahmed Rizvee , Md Mosaddek Khan

Robust network security systems are essential to prevent and mitigate the harming effects of the ever-growing occurrence of network attacks. In recent years, machine learning-based systems have gain popularity for network security…

密码学与安全 · 计算机科学 2020-03-26 Gonzalo Marín , Pedro Casas , Germán Capdehourat

This study delves into the analysis of financial markets through the lens of Wyckoff Phases, a framework devised by Richard D. Wyckoff in the early 20th century. Focusing on the accumulation pattern within the Wyckoff framework, the…

交易与市场微观结构 · 定量金融 2024-03-29 Jai Pal

Cryptocurrency pump-and-dump schemes coordinated via Telegram threaten market integrity. However, existing research addressing this specific threat has not yet produced solutions that combine reliable results with fast response. This is in…

计算与语言 · 计算机科学 2026-05-12 Ahmed Mahrous , Roberto Di Pietro

In this paper, we present VerifyML, the first secure inference framework to check the fairness degree of a given Machine learning (ML) model. VerifyML is generic and is immune to any obstruction by the malicious model holder during the…

密码学与安全 · 计算机科学 2022-10-18 Guowen Xu , Xingshuo Han , Gelei Deng , Tianwei Zhang , Shengmin Xu , Jianting Ning , Anjia Yang , Hongwei Li

The Lightning Network, a payment channel network with a market cap of over 192M USD, is designed to resolve Bitcoin's scalability issues through fast off-chain transactions. There are multiple Lightning Network client implementations, all…

密码学与安全 · 计算机科学 2024-05-06 Ben Weintraub , Satwik Prabhu Kumble , Cristina Nita-Rotaru , Stefanie Roos

Cryptocurrencies gained lots of attention mainly because of the anonymous way of online payment, which they suggested. Meanwhile, Bitcoin and other major cryptocurrencies have experienced severe deanonymization attacks. To address these…

密码学与安全 · 计算机科学 2022-04-06 Ardeshir Shojaeenasab , Amir Pasha Motamed , Behnam Bahrak

Modern machine learning (ML) has grown into a tightly coupled, full-stack ecosystem that combines hardware, software, network, and applications. Many users rely on cloud providers for elastic, isolated, and cost-efficient resources.…

性能 · 计算机科学 2025-11-03 Ziji Chen , Steven W. D. Chien , Peng Qian , Noa Zilberman

Dark patterns, which are user interface designs in online services, induce users to take unintended actions. Recently, dark patterns have been raised as an issue of privacy and fairness. Thus, a wide range of research on detecting dark…

机器学习 · 计算机科学 2025-04-01 Yuki Yada , Jiaying Feng , Tsuneo Matsumoto , Nao Fukushima , Fuyuko Kido , Hayato Yamana

This research paper explores the performance of Machine Learning (ML) algorithms and techniques that can be used for financial asset price forecasting. The prediction and forecasting of asset prices and returns remains one of the most…

统计金融 · 定量金融 2020-04-06 Philip Ndikum
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