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Showing 20 of 1,254 academic articles

IWORMLF: Improved Invasive Weed Optimization With Random Mutation and Lévy Flight for Beam Pattern Optimizations of Linear and Circular Antenna Arrays

Tingting Zheng, Yanheng Liu, Geng Sun, Lin Zhang et al. • IEEE Access (2020)

The beam pattern synthesis of antenna arrays is one of the most significant optimization problems in the electromagnetics community, and it affects the performance of wireless communication systems. In this article, we formulate the beam pa...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2020.2968476

Optimal Trend Labeling in Financial Time Series

Tomislav Kovacevic, Andro Mercep, Stjepan Begusic, Zvonko Kostanjcar • IEEE Access (2023)

Predicting asset price trends is often posed as a classification problem, where trends are classified as positive or negative. Since asset price series are noisy and volatile, it is difficult to distinguish true trends from short-term fluct...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2023.3303283

Engineering of logistics flows

Fil Olga • E3S Web of Conferences (2023)

The article is devoted to the engineering of logistics flows. Logistics flow engineering aims to apply methods of fuzzy modeling of logistics processes according to indicators-criteria of fuzzy relationships, search for the most optimal cou...

DOAJ Open Access (DOAJ) DOI: 10.1051/e3sconf/202338101089

Evaluating the Suitability of the Simplified Pairs Trading Strategy for Short-term Equity Market Trading

Julija Mosina, Grigorij Žilinskij • Comparative Economic Research (2025)

Pairs trading has been a successful tool for traders since its inception in the 1980s and has evolved significantly with the introduction of algorithmic, machine, and AI trading. This evolution has compli­cated the implementation of this st...

DOAJ Open Access (DOAJ) DOI: 10.18778/1508-2008.28.20

BFLP: blockchain-based federated learning protocol with verifiable contribution proof

Xi Li, Yibei Wang, Bin Wen • Journal of King Saud University: Computer and Information Sciences (2026)

Abstract Cross-institutional federated learning suffers from centralized trust fragility, poisoning attacks, and the lack of verifiable contribution-based incentives. This paper proposes BFLP, a blockchain-based federated learning protocol ...

DOAJ Open Access (DOAJ) DOI: 10.1007/s44443-026-01162-y