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In recent years, blockchain oracle, as the key link between blockchain and real-world data interaction, has greatly expanded the application scope of blockchain. In particular, the emergence of the Multi-Data Source (MDS) oracle has greatly…

Cryptography and Security · Computer Science 2024-10-17 Youquan Xian , Xueying Zeng , Chunpei Li , Peng Wang , Dongcheng Li , Peng Liu , Xianxian Li

The core of a blockchain network is its consensus algorithm. Starting with the Proof-of-Work, there have been various versions of consensus algorithms, such as Proof-of-Stake (PoS), Proof-of-Authority (PoA), and Practical Byzantine Fault…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-10 Tariqul Islam , Faisal Haque Bappy , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

This work applies reinforcement learning (RL) from the AI machine learning field to derive an optimal Bitcoin-like blockchain mining strategy without knowing the details of the blockchain network model. Previously, the most profitable…

Cryptography and Security · Computer Science 2021-01-07 Taotao Wang , Soung Chang Liew , Shengli Zhang

The blockchain technology has been extensively studied to enable distributed and tamper-proof data processing in federated learning (FL). Most existing blockchain assisted FL (BFL) frameworks have employed a third-party blockchain network…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-01 Xiumei Deng , Jun Li , Chuan Ma , Kang Wei , Long Shi , Ming Ding , Wen Chen , H. Vincent Poor

Algorithms for reinforcement learning (RL) in large state spaces crucially rely on supervised learning subroutines to estimate objects such as value functions or transition probabilities. Since only the simplest supervised learning problems…

Machine Learning · Computer Science 2025-02-13 Dhruv Rohatgi , Dylan J. Foster

Deep reinforcement learning (DRL) has been demonstrated to provide promising results in several challenging decision making and control tasks. However, the required inference costs of deep neural networks (DNNs) could prevent DRL from being…

Artificial Intelligence · Computer Science 2021-06-01 Chin-Jui Chang , Yu-Wei Chu , Chao-Hsien Ting , Hao-Kang Liu , Zhang-Wei Hong , Chun-Yi Lee

Blockchain consensus, rooted in the principle ``don't trust, verify'', limits access to real-world data, which may be ambiguous or inaccessible to some participants. Oracles address this limitation by supplying data to blockchains, but…

Resource allocation plays a critical role in minimizing cycle time and improving the efficiency of business processes. Recently, Deep Reinforcement Learning (DRL) has emerged as a powerful technique to optimize resource allocation policies…

Machine Learning · Computer Science 2025-09-03 Jeroen Middelhuis , Zaharah Bukhsh , Ivo Adan , Remco Dijkman

Deep reinforcement learning (DRL) is a promising outer-loop intelligence paradigm which can deploy problem solving strategies for complex tasks. Consequently, DRL has been utilized for several scientific applications, specifically in cases…

Machine Learning · Computer Science 2023-04-05 Sahil Bhola , Suraj Pawar , Prasanna Balaprakash , Romit Maulik

Deep Reinforcement Learning (DRL) is a powerful tool used for addressing complex challenges in mobile networks. This paper investigates the application of two DRL models, on-policy and off-policy, in the field of resource allocation for…

Networking and Internet Architecture · Computer Science 2024-12-04 Manal Mehdaoui , Amine Abouaomar

Existing retrieval-augmented generation (RAG) systems typically use a centralized architecture, causing a high cost of data collection, integration, and management, as well as privacy concerns. There is a great need for a decentralized RAG…

Cryptography and Security · Computer Science 2025-11-12 Yining Lu , Wenyi Tang , Max Johnson , Taeho Jung , Meng Jiang

Federated Learning (FL) is a well-known paradigm of distributed machine learning on mobile and IoT devices, which preserves data privacy and optimizes communication efficiency. To avoid the single point of failure problem in FL,…

Cryptography and Security · Computer Science 2024-03-13 Xiaoxue Zhang , Yifan Hua , Chen Qian

Artificial intelligence (AI) has demonstrated remarkable success across various applications. In light of this trend, the field of automated trading has developed a keen interest in leveraging AI techniques to forecast the future prices of…

Computational Engineering, Finance, and Science · Computer Science 2025-10-29 Dieu-Donne Fangnon , Armandine Sorel Kouyim Meli , Verlon Roel Mbingui , Phanie Dianelle Negho , Regis Konan Marcel Djaha , Lema Logamou Seknewna

This paper presents a deep reinforcement learning (DRL) framework for dynamic portfolio optimization under market uncertainty and risk. The proposed model integrates a Sharpe ratio-based reward function with direct risk control mechanisms,…

Portfolio Management · Quantitative Finance 2025-11-17 Emmanuel Lwele , Sabuni Emmanuel , Sitali Gabriel Sitali

Blockchain based systems allow various kinds of financial transactions to be executed in a decentralized manner. However, these systems often rely on a trusted third party (oracle) to get correct information about the real-world events,…

Artificial Intelligence · Computer Science 2020-07-28 Naman Goel , Cyril van Schreven , Aris Filos-Ratsikas , Boi Faltings

Proof of Stake (PoS) blockchains offer promising alternatives to traditional Proof of Work (PoW) systems, providing scalability and energy efficiency. However, blockchains operate in a decentralized manner and the network is composed of…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-25 Faisal Haque Bappy , Tariqul Islam , Kamrul Hasan , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

The open radio access network (O-RAN) architecture supports intelligent network control algorithms as one of its core capabilities. Data-driven applications incorporate such algorithms to optimize radio access network (RAN) functions via…

Networking and Internet Architecture · Computer Science 2023-09-20 Ahmad M. Nagib , Hatem Abou-Zeid , Hossam S. Hassanein

Access control is a critical component of computer security, governing access to system resources. However, designing policies and roles in traditional access control can be challenging and difficult to maintain in dynamic and complex…

Cryptography and Security · Computer Science 2023-11-13 Asma Jodeiri Akbarfam , Sina Barazandeh , Deepti Gupta , Hoda Maleki

Deep reinforcement learning (DRL), leveraging Deep Learning (DL) in reinforcement learning, has shown significant potential in achieving human-level autonomy in a wide range of domains, including robotics, computer vision, and computer…

Machine Learning · Computer Science 2023-08-25 Ahmed Haj Yahmed , Altaf Allah Abbassi , Amin Nikanjam , Heng Li , Foutse Khomh

Order picking is a pivotal operation in warehouses that directly impacts overall efficiency and profitability. This study addresses the dynamic order picking problem, a significant concern in modern warehouse management, where real-time…

Optimization and Control · Mathematics 2025-04-08 Sasan Mahmoudinazlou , Abhay Sobhanan , Hadi Charkhgard , Ali Eshragh , George Dunn