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567 Results Found

  • Feature Paper
  • Article
  • Open Access
1,949 Views
24 Pages

Data-Bound Adaptive Federated Learning: FedAdaDB

  • Fotios Zantalis and
  • Grigorios Koulouras

24 June 2025

Federated Learning (FL) enables decentralized Machine Learning (ML), focusing on preserving data privacy, but faces a unique set of optimization challenges, such as dealing with non-IID data, communication overhead, and client drift. Adaptive optimiz...

  • Article
  • Open Access
76 Citations
4,894 Views
30 Pages

14 June 2018

Effective and reliable load forecasting is an important basis for power system planning and operation decisions. Its forecasting accuracy directly affects the safety and economy of the operation of the power system. However, attaining the desired poi...

  • Article
  • Open Access
5 Citations
2,858 Views
23 Pages

29 October 2021

This paper develops a framework to track the trajectory of a target in 2D by considering a moving ownship able to measure bearing measurements. Notably, the framework allows one to incorporate additional information (e.g., obtained via intelligence)...

  • Feature Paper
  • Article
  • Open Access
1 Citations
2,593 Views
29 Pages

20 October 2023

Variational inference provides a way to approximate probability densities through optimization. It does so by optimizing an upper or a lower bound of the likelihood of the observed data (the evidence). The classic variational inference approach sugge...

  • Article
  • Open Access
1 Citations
775 Views
26 Pages

Two-Sided Matching with Bounded Rationality: A Stochastic Framework for Personnel Selection

  • Saeed Najafi-Zangeneh,
  • Naser Shams-Gharneh and
  • Olivier Gossner

3 October 2025

Personnel selection represents a two-sided matching problem in which firms compete for qualified candidates by designing job-offer packages. While traditional models assume fully rational agents, real-world decision-makers often face bounded rational...

  • Article
  • Open Access
2 Citations
3,379 Views
21 Pages

The Supervised Information Bottleneck

  • Nir Z. Weingarten,
  • Zohar Yakhini,
  • Moshe Butman and
  • Ronit Bustin

22 April 2025

The Information Bottleneck (IB) framework offers a theoretically optimal approach to data modeling, although it is often intractable. Recent efforts have optimized supervised deep neural networks (DNNs) using a variational upper bound on the IB objec...

  • Article
  • Open Access
1 Citations
1,328 Views
14 Pages

7 January 2024

This paper addresses a problem of optimal error quantification in the framework of robust control theory in the 𝓁1 setup. The upper bounds of biased external disturbance and the gains of coprime factor perturbations in a discrete-time linear...

  • Article
  • Open Access
2 Citations
2,383 Views
32 Pages

30 July 2021

The problem of data exchange between multiple nodes with storage and communication capabilities models several current multi-user communication problems like Coded Caching, Data Shuffling, Coded Computing, etc. The goal in such problems is to design...

  • Article
  • Open Access
1,803 Views
20 Pages

26 September 2023

Modeling of key variable data needs to consider the complex characteristics of systems in the catalytic cracking unit (CCU) of petroleum refining process, such as slow time-varying behavior, complex dynamic properties, distributed traits, and unknown...

  • Article
  • Open Access
23 Citations
6,834 Views
18 Pages

12 July 2018

In this study, a bound-constrained optimization algorithm is applied for estimating physiological data (pulse and breathing rate) of human body using 60 GHz Doppler radar, by detecting displacements induced by breathing and the heartbeat of a human s...

  • Article
  • Open Access
49 Citations
5,671 Views
43 Pages

13 August 2018

We illustrate how computer-aided methods can be used to investigate the fundamental limits of the caching systems, which are significantly different from the conventional analytical approach usually seen in the information theory literature. The line...

  • Article
  • Open Access
21 Citations
8,262 Views
25 Pages

7 February 2018

Sequential change-point detection when the distribution parameters are unknown is a fundamental problem in statistics and machine learning. When the post-change parameters are unknown, we consider a set of detection procedures based on sequential lik...

  • Article
  • Open Access
1 Citations
3,294 Views
12 Pages

Mine Productivity Upper Bounds and Truck Dispatch Rules

  • Adriano Chaves Lisboa,
  • Felipe Luz Barbosa Castro and
  • Pedro Vinícius Almeida Borges de Venâncio

4 December 2023

This paper proposes an upper bound for mine productivity (useful for long-term planning) and also a simple truck dispatch rule (useful for short-term operations) that demonstrates how tight the upper bound can be using a simulation. It also proposes...

  • Article
  • Open Access
1 Citations
4,431 Views
24 Pages

16 April 2019

The B-spline function representation is commonly used for data approximation and trajectory definition, but filter-based methods for nonlinear weighted least squares (NWLS) approximation are restricted to a bounded definition range. We present an alg...

  • Article
  • Open Access
7 Citations
3,415 Views
23 Pages

20 January 2023

This work focuses on the development of a Lyapunov-based economic model predictive control (LEMPC) scheme that utilizes recurrent neural networks (RNNs) with an online update to optimize the economic benefits of switched non-linear systems subject to...

  • Article
  • Open Access
5 Citations
5,113 Views
21 Pages

Optimizing Retransmission Threshold in Wireless Sensor Networks

  • Ran Bi,
  • Yingshu Li,
  • Guozhen Tan and
  • Liang Sun

10 May 2016

The retransmission threshold in wireless sensor networks is critical to the latency of data delivery in the networks. However, existing works on data transmission in sensor networks did not consider the optimization of the retransmission threshold, a...

  • Article
  • Open Access
1 Citations
682 Views
25 Pages

5 April 2025

In this paper, the inverse problem of identifying the source term of the time fractional diffusion-wave equation is studied. This problem is ill-posed, i.e., the solution (if it exists) does not depend on the measurable data. Under the priori bound c...

  • Article
  • Open Access
16 Citations
4,676 Views
28 Pages

Online Service Function Chain Deployment for Live-Streaming in Virtualized Content Delivery Networks: A Deep Reinforcement Learning Approach

  • Jesús Fernando Cevallos Moreno,
  • Rebecca Sattler,
  • Raúl P. Caulier Cisterna,
  • Lorenzo Ricciardi Celsi,
  • Aminael Sánchez Rodríguez and
  • Massimo Mecella

29 October 2021

Video delivery is exploiting 5G networks to enable higher server consolidation and deployment flexibility. Performance optimization is also a key target in such network systems. We present a multi-objective optimization framework for service function...

  • Article
  • Open Access
7 Citations
2,951 Views
19 Pages

Localization and Tracking of Discrete Mobile Scatterers in Vehicular Environments Using Delay Estimates

  • Martin Schmidhammer,
  • Christian Gentner,
  • Benjamin Siebler and
  • Stephan Sand

5 November 2019

This paper describes an approach to detect, localize, and track moving, non-cooperative objects by exploiting multipath propagation. In a network of spatially distributed transmitting and receiving nodes, moving objects appear as discrete mobile scat...

  • Article
  • Open Access
8 Citations
3,268 Views
24 Pages

Robust Spatial–Spectral Squeeze–Excitation AdaBound Dense Network (SE-AB-Densenet) for Hyperspectral Image Classification

  • Kavitha Munishamaiaha,
  • Gayathri Rajagopal,
  • Dhilip Kumar Venkatesan,
  • Muhammad Arif,
  • Dragos Vicoveanu,
  • Iuliana Chiuchisan,
  • Diana Izdrui and
  • Oana Geman

22 April 2022

Increasing importance in the field of artificial intelligence has led to huge progress in remote sensing. Deep learning approaches have made tremendous progress in hyperspectral image (HSI) classification. However, the complexity in classifying the H...

  • Article
  • Open Access
3 Citations
1,791 Views
27 Pages

Secure Dynamic Scheduling for Federated Learning in Underwater Wireless IoT Networks

  • Lei Yan,
  • Lei Wang,
  • Guanjun Li,
  • Jingwei Shao and
  • Zhixin Xia

16 September 2024

Federated learning (FL) is a distributed machine learning approach that can enable Internet of Things (IoT) edge devices to collaboratively learn a machine learning model without explicitly sharing local data in order to achieve data clustering, pred...

  • Article
  • Open Access
5 Citations
4,303 Views
26 Pages

Guessing with a Bit of Help

  • Nir Weinberger and
  • Ofer Shayevitz

26 December 2019

What is the value of just a few bits to a guesser? We study this problem in a setup where Alice wishes to guess an independent and identically distributed (i.i.d.) random vector and can procure a fixed number of k information bits from Bob, who has o...

  • Article
  • Open Access
4 Citations
6,803 Views
26 Pages

27 July 2020

In this article, we design and evaluate several algorithms for the computation of the optimal Rice coding parameter. We conjecture that the optimal Rice coding parameter can be bounded and verify this conjecture through numerical experiments using re...

  • Feature Paper
  • Article
  • Open Access
3 Citations
1,713 Views
37 Pages

24 January 2025

A private compression design problem is studied, where an encoder observes useful data Y, wishes to compress them using variable-length code, and communicates them through an unsecured channel. Since Y are correlated with the private attribute X, the...

  • Proceeding Paper
  • Open Access
1 Citations
1,495 Views
8 Pages

A Stochastic Bilevel DEA-Based Model for Resource Allocation

  • Eleni-Maria Vretta,
  • Kyriakos Bitsis,
  • Konstantinos Kaparis,
  • Georgios Paltayian and
  • Andreas C. Georgiou

The optimal allocation of limited resources along with output target setting are critical in pursuing the sustainability and competitiveness of organizations. The process of resource distribution is usually implemented through a central unit that rou...

  • Article
  • Open Access
5 Citations
3,305 Views
13 Pages

Multi-Task Scheduling Based on Classification in Mobile Edge Computing

  • Xiao Zheng,
  • Yuanfang Chen,
  • Muhammad Alam and
  • Jun Guo

In this paper, a dynamic multi-task scheduling prototype is proposed to improve the limited resource utilization in the vehicular networks (VNET) assisted by mobile edge computing (MEC). To ensure quality of service (QoS) and meet the growing data de...

  • Article
  • Open Access
7 Citations
2,615 Views
23 Pages

A WT-LUBE-PSO-CWC Wind Power Probabilistic Forecasting Model for Prediction Interval Construction and Seasonality Analysis

  • Ioannis K. Bazionis,
  • Markos A. Kousounadis-Knudsen,
  • Theodoros Konstantinou and
  • Pavlos S. Georgilakis

18 September 2021

Deterministic forecasting models have been used through the years to provide accurate predictive outputs in order to efficiently integrate wind power into power systems. However, such models do not provide information on the uncertainty of the predic...

  • Article
  • Open Access
3 Citations
3,303 Views
16 Pages

16 February 2021

Computer-aided methods, based on the entropic linear program framework, have been shown to be effective in assisting the study of information theoretic fundamental limits of information systems. One key element that significantly impacts their comput...

  • Article
  • Open Access
22 Citations
8,943 Views
21 Pages

Curvature Continuous and Bounded Path Planning for Fixed-Wing UAVs

  • Xiaoliang Wang,
  • Peng Jiang,
  • Deshi Li and
  • Tao Sun

19 September 2017

Unmanned Aerial Vehicles (UAVs) play an important role in applications such as data collection and target reconnaissance. An accurate and optimal path can effectively increase the mission success rate in the case of small UAVs. Although path planning...

  • Article
  • Open Access
3 Citations
5,406 Views
32 Pages

30 July 2020

In this paper, we derive lower and upper bounds on the OPTA of a two-user multi-input multi-output (MIMO) causal encoding and causal decoding problem. Each user’s source model is described by a multidimensional Markov source driven by additive...

  • Article
  • Open Access
7 Citations
3,748 Views
20 Pages

6 July 2017

Considering the effect of the utility harmonic impedance variations on harmonic responsibility, a method based on piecewise bound constrained optimization is proposed in this paper to evaluate the load harmonic responsibilities. The wavelet packet tr...

  • Article
  • Open Access
2 Citations
7,141 Views
20 Pages

The Gini index, a widely used economic inequality measure, is computed using data whose designs involve clustering and stratification, generally known as complex household surveys. Under complex household survey, we develop two novel procedures for e...

  • Article
  • Open Access
4 Citations
2,880 Views
14 Pages

AoI-Bounded Scheduling for Industrial Wireless Sensor Networks

  • Chenggen Pu,
  • Han Yang,
  • Ping Wang and
  • Changjie Dong

Age of information (AoI) is an emerging network metric that measures information freshness from an application layer perspective. It can evaluate the timeliness of information in industrial wireless sensor networks (IWSNs). Previous research has prim...

  • Article
  • Open Access
1 Citations
2,866 Views
50 Pages

A robust continuous-time linear programming problem is formulated and solved numerically in this paper. The data occurring in the continuous-time linear programming problem are assumed to be uncertain. In this paper, the uncertainty is treated by fol...

  • Article
  • Open Access
2 Citations
829 Views
31 Pages

7 November 2025

In recent years, data-driven deep learning has yielded fruitful results in synthetic aperture radar (SAR) ship detection; weakly supervised learning methods based on horizontal bounding boxes (HBBs) train oriented bounding box (OBB) detectors using H...

  • Article
  • Open Access
17 Citations
4,891 Views
20 Pages

A solid-phase extraction (SPE) technique was developed and optimised for isolation and concentration of extractable and bound phenolic acids from germinated spelt seeds, for analysis by liquid chromatography–mass spectrometry. Samples initially under...

  • Article
  • Open Access
5 Citations
3,758 Views
22 Pages

1 April 2019

Nowadays, rural power supply in China plays an important role in restricting the economic development and improvement of residential living standards. In this study, an interval full-infinite programming rural energy model (IFIP-REM) was developed fo...

  • Article
  • Open Access
16 Citations
4,691 Views
13 Pages

23 July 2019

Mobile edge computing (MEC) has become more popular both in academia and industry. Currently, with the help of edge servers and cloud servers, it is one of the substantial technologies to overcome the latency between cloud server and wireless device,...

  • Article
  • Open Access
44 Citations
5,127 Views
16 Pages

25 May 2018

In Long Range Wide Area Network (LoRaWAN), the data rate of the devices can be adjusted to optimize the throughput by changing the spreading factor. However, the adaptive data rate has to be carefully utilized because the collision probability, which...

  • Article
  • Open Access
2 Citations
1,949 Views
17 Pages

Optimization of Protection Level of GBAS with Gaussian Mixture Model

  • Yao Wang,
  • Jingbo Zhao,
  • Shuo Hao,
  • Shenying Hui and
  • Baoguo Yu

The Gaussian mixture model (GMM) is commonly used to model the heavy tail of the ground-based augmentation system (GBAS) range error distribution. In practice, Gaussian over-bounding based on a GMM is used to over-bound the heavy tail of the ranging...

  • Feature Paper
  • Article
  • Open Access
10 Citations
9,288 Views
17 Pages

15 November 2017

In recent years, tools from information theory have played an increasingly prevalent role in statistical machine learning. In addition to developing efficient, computationally feasible algorithms for analyzing complex datasets, it is of theoretical i...

  • Article
  • Open Access
610 Views
24 Pages

A Lower-Bounded Extreme Value Distribution for Flood Frequency Analysis with Applications

  • Fatimah E. Almuhayfith,
  • Maher Kachour,
  • Amira F. Daghestani,
  • Zahid Ur Rehman,
  • Tassaddaq Hussain and
  • Hassan S. Bakouch

23 October 2025

This paper proposes the lower-bounded Fréchet–log-logistic distribution (LFLD), a probability model designed for robust flood frequency analysis (FFA). The LFLD addresses key limitations of traditional distributions (e.g., generalized ex...

  • Article
  • Open Access
20 Citations
4,988 Views
19 Pages

10 February 2018

In this paper, a globally optimal algorithm based on a maximum feasible subsystem framework is proposed for robust pairwise registration of point cloud data. Registration is formulated as a branch-and-bound problem with mixed-integer linear programmi...

  • Feature Paper
  • Article
  • Open Access
220 Views
20 Pages

25 December 2025

This paper investigates the large time behavior of solutions to the 2D micropolar equations with partial dissipation. When there is mixed velocity dissipation and positive angular viscosity, we obtain the optimal decay estimates to the global solutio...

  • Article
  • Open Access
2 Citations
5,639 Views
26 Pages

26 June 2025

Dark ships, vessels deliberately disabling their AIS signals, constitute a grave maritime safety hazard, with detection efforts hindered by issues like over-reliance on AIS, inadequate surveillance coverage, and significant mismatch rates. This paper...

  • Article
  • Open Access
2 Citations
1,617 Views
14 Pages

Enhanced Detection Precision of the Taiji Program by Frequency Setting Strategy Based on a Hierarchical Optimization Algorithm

  • Jiafeng Zhang,
  • Zhen Yang,
  • Xiaoshan Ma,
  • Xiaodong Peng,
  • Chen Gao,
  • Mengyuan Zhao and
  • Wenlin Tang

27 November 2023

For space-based gravitational wave detection, a laser interferometric measurement system composed of a three-spacecraft formation offers the most rewarding bandwidth of astrophysical sources. There are no oscillators available that are stable enough...

  • Article
  • Open Access
2,511 Views
20 Pages

27 April 2023

In this paper, we study the finite element method of the Navier–Stokes equations with the initial data belonging to the L2 space for all time t>0. Due to the poor smoothness of the initial data, the solution of the problem is singular, altho...

  • Article
  • Open Access
3 Citations
3,205 Views
27 Pages

18 November 2021

When confronted with massive data streams, summarizing data with dimension reduction methods such as PCA raises theoretical and algorithmic pitfalls. A principal curve acts as a nonlinear generalization of PCA, and the present paper proposes a novel...

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