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In recent years, Semantic Communication (SemCom), which aims to achieve efficient and reliable transmission of meaning between agents, has garnered significant attention from both academia and industry. To ensure the security of…

密码学与安全 · 计算机科学 2026-01-06 Rui Meng , Dayu Fan , Haixiao Gao , Yifan Yuan , Bizhu Wang , Xiaodong Xu , Mengying Sun , Chen Dong , Xiaofeng Tao , Ping Zhang , Dusit Niyato

Homomorphic encryption, which enables the execution of arithmetic operations directly on ciphertexts, is a promising solution for protecting privacy of cloud-delegated computations on sensitive data. However, the correctness of the…

密码学与安全 · 计算机科学 2025-11-20 Sylvain Chatel , Christian Knabenhans , Apostolos Pyrgelis , Carmela Troncoso , Jean-Pierre Hubaux

Homomorphic encryption has largely been studied in context of public key cryptosystems. But there are applications which inherently would require symmetric keys. We propose a symmetric key encryption scheme with fully homomorphic evaluation…

密码学与安全 · 计算机科学 2013-10-10 Iti Sharma

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

Financial markets are of much interest to researchers due to their dynamic and stochastic nature. With their relations to world populations, global economies and asset valuations, understanding, identifying and forecasting trends and…

统计金融 · 定量金融 2021-08-13 Peter Akioyamen , Yi Zhou Tang , Hussien Hussien

With the emergence of privacy leaks in federated learning, secure aggregation protocols that mainly adopt either homomorphic encryption or threshold secret sharing have been widely developed for federated learning to protect the privacy of…

密码学与安全 · 计算机科学 2024-06-03 Xue Yang , Zifeng Liu , Xiaohu Tang , Rongxing Lu , Bo Liu

April 2026 saw notable methodological convergence in the academic study of informed trading on decentralized prediction markets. Three approaches surfaced almost simultaneously: Mitts and Ofir (2026) apply a composite screen to over 210,000…

交易与市场微观结构 · 定量金融 2026-05-15 Maksym Nechepurenko

Federated Learning (FL) enables collaborative training while keeping sensitive data on clients' devices, but local model updates can still leak private information. Hybrid Homomorphic Encryption (HHE) has recently been applied to FL to…

密码学与安全 · 计算机科学 2026-03-30 Ivan Costa , Pedro Correia , Ivone Amorim , Eva Maia , Isabel Praça

To develop Smart City, the growing popularity of Machine Learning (ML) that appreciates high-quality training datasets generated from diverse IoT devices raises natural questions about the privacy guarantees that can be provided in such…

密码学与安全 · 计算机科学 2020-09-22 Liehuang Zhu , Xiangyun Tang , Meng Shen , Jie Zhang , Xiaojiang Du

Homomorphic Encryption (HE) enables secure computation on encrypted data without decryption, allowing a great opportunity for privacy-preserving computation. In particular, domains such as healthcare, finance, and government, where data…

硬件体系结构 · 计算机科学 2025-06-10 Matías Mazzanti , Esteban Mocskos , Augusto Vega , Pradip Bose

Financial trading is a crucial component of the markets, informed by a multimodal information landscape encompassing news, prices, and Kline charts, and encompasses diverse tasks such as quantitative trading and high-frequency trading with…

交易与市场微观结构 · 定量金融 2024-07-01 Wentao Zhang , Lingxuan Zhao , Haochong Xia , Shuo Sun , Jiaze Sun , Molei Qin , Xinyi Li , Yuqing Zhao , Yilei Zhao , Xinyu Cai , Longtao Zheng , Xinrun Wang , Bo An

In recent years, machine learning has become prevalent in numerous tasks, including algorithmic trading. Stock market traders utilize machine learning models to predict the market's behavior and execute an investment strategy accordingly.…

交易与市场微观结构 · 定量金融 2021-09-03 Elior Nehemya , Yael Mathov , Asaf Shabtai , Yuval Elovici

Location-based alerts have gained increasing popularity in recent years, whether in the context of healthcare (e.g., COVID-19 contact tracing), marketing (e.g., location-based advertising), or public safety. However, serious privacy…

密码学与安全 · 计算机科学 2023-01-18 Sina Shaham , Gabriel Ghinita , Cyrus Shahabi

This paper aims to investigate the role of gold as a hedge and/or safe haven against oil price and currency market movements for medium (calm period) and large (extreme movement) fluctuations. In revisiting the role of gold, our study…

统计金融 · 定量金融 2020-01-01 Mohamed Arbi Madani , Zied Ftiti

Federated Learning has rapidly expanded from its original inception to now have a large body of research, several frameworks, and sold in a variety of commercial offerings. Thus, its security and robustness is of significant importance.…

密码学与安全 · 计算机科学 2025-10-02 Simone Bottoni , Giulio Zizzo , Stefano Braghin , Alberto Trombetta

Distributed state estimation arises in many applications such as position estimation in robot swarms, clock synchronization for processor networks, and data fusion. One characteristic is that agents only have access to noisy measurements of…

系统与控制 · 电气工程与系统科学 2022-09-16 N. Schlüter , P. Binfet , J. Kim , M. Schulze Darup

There are inefficiencies in financial markets, with unexploited patterns in price, volume, and cross-sectional relationships. While many approaches use large-scale transformers, we take a domain-focused path: feed-forward and recurrent…

投资组合管理 · 定量金融 2025-10-15 Sid Ghatak , Arman Khaledian , Navid Parvini , Nariman Khaledian

The federated learning (FL) technique was developed to mitigate data privacy issues in the traditional machine learning paradigm. While FL ensures that a user's data always remain with the user, the gradients are shared with the centralized…

The estimation of fill probabilities for trade orders represents a key ingredient in the optimization of algorithmic trading strategies. It is bound by the complex dynamics of financial markets with inherent uncertainties, and the…

This work proposes a novel privacy-preserving cyberattack detection framework for blockchain-based Internet-of-Things (IoT) systems. In our approach, artificial intelligence (AI)-driven detection modules are strategically deployed at…

密码学与安全 · 计算机科学 2024-12-19 Bui Duc Manh , Chi-Hieu Nguyen , Dinh Thai Hoang , Diep N. Nguyen , Ming Zeng , Quoc-Viet Pham