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A successful application of quantum annealing to machine learning is training restricted Boltzmann machines (RBM). However, many neural networks for vision applications are feedforward structures, such as multilayer perceptrons (MLP).…

机器学习 · 计算机科学 2023-03-23 Frances Fengyi Yang , Michele Sasdelli , Tat-Jun Chin

This work aims to analyse the predictability of price movements of cryptocurrencies on both hourly and daily data observed from January 2017 to January 2021, using deep learning algorithms. For our experiments, we used three sets of…

统计金融 · 定量金融 2021-02-18 Marco Ortu , Nicola Uras , Claudio Conversano , Giuseppe Destefanis , Silvia Bartolucci

Classification is one of the most important tasks in Machine Learning (ML) and with recent advancements in artificial intelligence (AI) it is important to find efficient ways to implement it. Generally, the choice of classification…

机器学习 · 计算机科学 2023-12-27 Anuja Dixit , Shreya Byreddy , Guanqun Song , Ting Zhu

k-nearest neighbour (kNN) is one of the most prominent, simple and basic algorithm used in machine learning and data mining. However, kNN has limited prediction ability, i.e., kNN cannot predict any instance correctly if it does not belong…

机器学习 · 计算机科学 2020-03-03 Muhammad Asim , Muaaz Zakria

MLPerf, an emerging machine learning benchmark suite strives to cover a broad range of applications of machine learning. We present a study on its characteristics and how the MLPerf benchmarks differ from some of the previous deep learning…

机器学习 · 计算机科学 2019-08-27 Snehil Verma , Qinzhe Wu , Bagus Hanindhito , Gunjan Jha , Eugene B. John , Ramesh Radhakrishnan , Lizy K. John

Blockchain technology has the characteristics of decentralization, traceability and tamper proof, which creates a reliable decentralized transaction mode, further accelerating the development of the blockchain platforms. However, with the…

密码学与安全 · 计算机科学 2021-12-08 Jiajun Zhou , Chenkai Hu , Shenbo Gong , Jiaying Xu , Jie Shen , Qi Xuan

This paper presents a fully coupled blockchain-assisted federated learning architecture that effectively eliminates single points of failure by decentralizing both the training and aggregation tasks across all participants. Our proposed…

分布式、并行与集群计算 · 计算机科学 2024-10-21 Huong Nguyen , Tri Nguyen , Lauri Lovén , Susanna Pirttikangas

We introduce novel approaches to cryptocurrency price forecasting, leveraging Machine Learning (ML) and Natural Language Processing (NLP) techniques, with a focus on Bitcoin and Ethereum. By analysing news and social media content,…

统计金融 · 定量金融 2024-10-28 Vincent Gurgul , Stefan Lessmann , Wolfgang Karl Härdle

The aim of this work is to study the use of decentralization and smart contracts on blockchain networks. We investigate the implementation and use of smart contracts on the platforms Bitcoin, Ethereum and Hyperledger Fabric. Additionally,…

密码学与安全 · 计算机科学 2019-03-13 Theodosis Mourouzis , Jayant Tandon

This paper presents a novel method for autonomously enhancing deep neural network training. My approach employs an Evaluation Neural Network (ENN) trained via deep reinforcement learning to predict the performance of the target network. The…

机器学习 · 计算机科学 2024-06-18 Ryohei Ino

Neural networks have recently been proposed for multi-label classification because they are able to capture and model label dependencies in the output layer. In this work, we investigate limitations of BP-MLL, a neural network (NN)…

机器学习 · 计算机科学 2020-12-09 Jinseok Nam , Jungi Kim , Eneldo Loza Mencía , Iryna Gurevych , Johannes Fürnkranz

The adoption of intelligent systems with Artificial Neural Networks (ANNs) embedded in hardware for real-time applications currently faces a growing demand in fields like the Internet of Things (IoT) and Machine to Machine (M2M). However,…

信号处理 · 电气工程与系统科学 2020-10-01 Caio J. B. V. Guimarães , Marcelo A. C. Fernandes

This paper presents a dynamic, real-time approach to detecting anomalous blockchain transactions. The proposed tool, BlockGPT, generates tracing representations of blockchain activity and trains from scratch a large language model to act as…

密码学与安全 · 计算机科学 2023-05-02 Yu Gai , Liyi Zhou , Kaihua Qin , Dawn Song , Arthur Gervais

Credit card fraud remains a significant challenge due to class imbalance and fraudsters mimicking legitimate behavior. This study evaluates five machine learning models - Logistic Regression, Random Forest, XGBoost, K-Nearest Neighbors…

机器学习 · 计算机科学 2025-09-19 Iva Popova , Hamza A. A. Gardi

While transactions with cryptocurrencies such as Ethereum are becoming more prevalent, fraud and other criminal transactions are not uncommon. Graph analysis algorithms and machine learning techniques detect suspicious transactions that…

机器学习 · 计算机科学 2022-07-05 Hiroki Kanezashi , Toyotaro Suzumura , Xin Liu , Takahiro Hirofuchi

Multi-Agent Deep Reinforcement Learning (MDRL) is a promising research area in which agents learn complex behaviors in cooperative or competitive environments. However, MDRL comes with several challenges that hinder its usability, including…

机器学习 · 计算机科学 2025-01-22 Ahmed Alagha , Jamal Bentahar , Hadi Otrok , Shakti Singh , Rabeb Mizouni

With the evolution of blockchain technology, the issue of transaction security, particularly on platforms like Ethereum, has become increasingly critical. Front-running attacks, a unique form of security threat, pose significant challenges…

密码学与安全 · 计算机科学 2023-11-27 Yuheng Zhang , Pin Liu , Guojun Wang , Peiqiang Li , Wanyi Gu , Houji Chen , Xuelei Liu , Jinyao Zhu

As decentralized applications on permissionless blockchains are prevalent, more and more latency-sensitive usage scenarios emerged, where the lower the latency of sending and receiving messages, the better the chance of earning revenue. To…

分布式、并行与集群计算 · 计算机科学 2024-12-12 Ke Wang , Qiao Wang , Yue Li , Zhi Guan , Zhong Chen

Convolution Neural Networks (CNN) have performed well in many applications such as object detection, pattern recognition, video surveillance and so on. CNN carryout feature extraction on labelled data to perform classification. Multi-label…

机器学习 · 计算机科学 2021-01-28 Tolulope A. Odetola , Ogheneuriri Oderhohwo , Syed Rafay Hasan

Self-attention mechanism is the key of the Transformer but often criticized for its computation demands. Previous token pruning works motivate their methods from the view of computation redundancy but still need to load the full network and…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Sihao Lin , Pumeng Lyu , Dongrui Liu , Tao Tang , Xiaodan Liang , Andy Song , Xiaojun Chang