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81,870 Results Found

  • Article
  • Open Access
4 Citations
4,006 Views
34 Pages

Simulation Model to Estimate Emotions in Collaborative Networks

  • Filipa Ferrada and
  • Luis M. Camarinha-Matos

29 November 2019

In recent years, the research on collaborative networks has been pointing to the need to put more emphasis on the social interactions of its participants, along with technical features, as a potential direction to finding solutions to prevent failure...

  • Article
  • Open Access
10 Citations
3,791 Views
17 Pages

Automated Identification of Valid Model Networks Using Model-Based Systems Engineering

  • Julius Moritz Berges,
  • Kathrin Spütz,
  • Georg Jacobs,
  • Julia Kowalski,
  • Thilo Zerwas,
  • Jörg Berroth and
  • Christian Konrad

9 December 2022

To handle increasing complexity in product development, model-based systems engineering (MBSE) approaches are well suited, in which the technical system is represented in a system model. To efficiently test requirements, domain models are integrated...

  • Article
  • Open Access
71 Citations
11,518 Views
20 Pages

A Model for Scale-Free Networks: Application to Twitter

  • Sofía Aparicio,
  • Javier Villazón-Terrazas and
  • Gonzalo Álvarez

17 August 2015

In the last few years, complex networks have become an increasingly relevant research topic due to the large number of fields of application. Particularly, complex networks are especially significant in the area of modern online social networks (OSNs...

  • Article
  • Open Access
18 Citations
9,693 Views
17 Pages

20 October 2020

In this paper, we incorporate a GARCH model into an artificial neural network (ANN) for financial volatility modeling and estimate the parameters in Tensorflow. Our goal was to better predict stock volatility. We evaluate the performance of the model...

  • Article
  • Open Access
1 Citations
1,880 Views
28 Pages

15 December 2022

This paper is concerned with the problem of state estimation of memristor neural networks with model uncertainties. Considering the model uncertainties are composed of time-varying delays, floating parameters and unknown functions, an improved method...

  • Article
  • Open Access
2,351 Views
28 Pages

Reliability Analysis of Survivable Networks under the Hostile Model

  • Sebastián Laborde,
  • Franco Robledo and
  • Sergio Nesmachnow

29 November 2022

This article studies the Generalized Steiner Problem with Node-Connectivity Constraints and Hostile Reliability and introduces a metaheuristic resolution approach based on Greedy Randomized Adaptive Search Procedure and Variable Neighborhood Descent....

  • Article
  • Open Access
4 Citations
4,014 Views
15 Pages

Network quantization becomes a crucial step when deploying deep models to the edge devices as it is hardware-friendly, offers memory and computational advantages, but it also suffers performance degradation as the result of limited representation cap...

  • Feature Paper
  • Article
  • Open Access
8 Citations
4,175 Views
24 Pages

An Automated Model Reduction Method for Biochemical Reaction Networks

  • Manvel Gasparyan,
  • Arnout Van Messem and
  • Shodhan Rao

7 August 2020

We propose a new approach to the model reduction of biochemical reaction networks governed by various types of enzyme kinetics rate laws with non-autocatalytic reactions, each of which can be reversible or irreversible. This method extends the approa...

  • Article
  • Open Access
14 Citations
6,700 Views
25 Pages

A Generalized Threat Model for Visual Sensor Networks

  • Jennifer Simonjan,
  • Sebastian Taurer and
  • Bernhard Dieber

28 June 2020

Today, visual sensor networks (VSNs) are pervasively used in smart environments such as intelligent homes, industrial automation or surveillance. A major concern in the use of sensor networks in general is their reliability in the presence of securit...

  • Article
  • Open Access
4 Citations
2,249 Views
16 Pages

12 October 2022

In real life, individuals play an important role in the social networking system. When an epidemic breaks out the individual’s recovery rate depends heavily on the social network in which he or she lives. For this reason, in this paper a nonlin...

  • Review
  • Open Access
237 Citations
37,596 Views
22 Pages

Currently, with the rapid development of deep learning, deep neural networks (DNNs) have been widely applied in various computer vision tasks. However, in the pursuit of performance, advanced DNN models have become more complex, which has led to a la...

  • Article
  • Open Access
27 Citations
5,936 Views
17 Pages

Stochastic Model Predictive Control for Urban Traffic Networks

  • Bao-Lin Ye,
  • Weimin Wu,
  • Huimin Gao,
  • Yixia Lu,
  • Qianqian Cao and
  • Lijun Zhu

7 June 2017

This paper proposes a stochastic model predictive control (MPC) framework for traffic signal coordination and control in urban traffic networks. One of the important features of the proposed stochastic MPC model is that uncertain traffic demands and...

  • Article
  • Open Access
243 Views
31 Pages

On Model Improvement Algorithms—Generalised Linear Models and Neural Networks

  • Manuel L. Esquível,
  • Nadezhda P. Krasii and
  • Raquel M. Gaspar

4 February 2026

We propose a generic approach to stochastic model improvement by first introducing an archetypal algorithm based on error minimisation and establishing two results on the weak convergence of the probability laws associated with the models under impro...

  • Article
  • Open Access
2,819 Views
13 Pages

The Linear Relationship Model with LASSO for Studying Stock Networks

  • Muzi Chen,
  • Hongjiong Tian,
  • Boyao Wu and
  • Tianhai Tian

9 June 2022

The correlation-based network is a powerful tool to reveal the influential mechanisms and relations in stock markets. However, current methods for developing network models are dominantly based on the pairwise relationship of positive correlations. T...

  • Article
  • Open Access
5 Citations
5,461 Views
21 Pages

Existing data models for moving objects in networks are often limited by flexibly controlling the granularity of representing networks and the cost of location updates and do not encompass semantic information, such as traffic states, traffic restric...

  • Article
  • Open Access
22 Citations
4,026 Views
16 Pages

Resilience-Based Restoration Model for Supply Chain Networks

  • Xinhua Mao,
  • Xin Lou,
  • Changwei Yuan and
  • Jibiao Zhou

23 January 2020

An optimal restoration strategy for supply chain networks can efficiently schedule the repair activities under resource limits. However, a wide range of previous studies solve this problem from the perspective of cost-effectiveness instead of a resil...

  • Article
  • Open Access
24 Citations
4,656 Views
19 Pages

A Conceptual Model of Measurement Uncertainty in IoT Sensor Networks

  • Piotr Cofta,
  • Kostas Karatzas and
  • Cezary Orłowski

5 March 2021

The growing popularity of inexpensive IoT (Internet of Things) sensor networks makes their uncertainty an important aspect of their adoption. The uncertainty determines their fitness for purpose, their perceived quality and the usefulness of informat...

  • Article
  • Open Access
4 Citations
2,874 Views
21 Pages

Multi-Model Inference Accelerator for Binary Convolutional Neural Networks

  • André L. de Sousa,
  • Mário P. Véstias and
  • Horácio C. Neto

30 November 2022

Binary convolutional neural networks (BCNN) have shown good accuracy for small to medium neural network models. Their extreme quantization of weights and activations reduces off-chip data transfer and greatly reduces the computational complexity of c...

  • Article
  • Open Access
6 Citations
1,960 Views
16 Pages

16 October 2020

The diagnosability is an essential subject for the reliability of a multiple CPU system. As a celebrated topology structure of interconnection networks, an n-dimensional wheel network CWn has numerous great features. In this paper, we discuss the dia...

  • Article
  • Open Access
3 Citations
1,690 Views
15 Pages

15 November 2023

Social media significantly influences business, politics, and society. Easy access and interaction among users allow information to spread rapidly across social networks. Understanding how information is disseminated through these new publishing meth...

  • Article
  • Open Access
2 Citations
1,655 Views
17 Pages

t/k-Diagnosability of Regular Networks under the Comparison Model

  • Jiarong Liang,
  • Mengdie Xiao,
  • Zhi Lin and
  • Changzhen Li

4 April 2024

As multiprocessor systems continue to grow in processor scale, the incidence of faults also increases. As a result, fault diagnosis is becoming a key mechanism for maintaining the normal operation of multiprocessor systems. To explore more effective...

  • Article
  • Open Access
1 Citations
2,419 Views
20 Pages

11 October 2024

This study evaluates the limitations of gravity models in constructing regional association networks, using China’s interprovincial economic connections as a case study. Comparison between a gravity-model-based simulated network and an actual n...

  • Article
  • Open Access
2 Citations
2,086 Views
17 Pages

23 April 2023

Urban road networks have promoted high-quality travel for residents by increasing connectivity and intelligence. But road congestion has not been effectively alleviated, causing a loss of time and energy. At present, the recovery of urban road networ...

  • Article
  • Open Access
2 Citations
4,652 Views
26 Pages

12 February 2020

This paper describes the modeling of social networks subject to a recommendation. The Cold Start User-Item Model (CSUIM) of a bipartite graph is considered, which simulates bipartite graph growth based on several parameters. An algorithm is proposed...

  • Article
  • Open Access
345 Views
23 Pages

With the growing accessibility of tools such as online surveys and web scraping, longitudinal social network data are more commonly collected in social science research along with non-network survey data. Such data play a critical role in helping soc...

  • Article
  • Open Access
1 Citations
3,806 Views
16 Pages

24 August 2018

A dynamic network is the abstraction of distributed systems with frequent network topology changes. With such dynamic network models, fundamental distributed computing problems can be formally studied with rigorous correctness. Although quite a numbe...

  • Article
  • Open Access
456 Views
25 Pages

A Generalized Cost Model for Techno-Economic Analysis in Optical Networks

  • André Souza,
  • Marco Quagliotti,
  • Mohammad M. Hosseini,
  • Andrea Marotta,
  • Carlo Centofanti,
  • Farhad Arpanaei,
  • Arantxa Villavicencio Paz,
  • José Manuel Rivas-Moscoso,
  • Gianluca Gambari and
  • João Pedro
  • + 3 authors

29 January 2026

Techno-economic analysis (TEA) plays a vital role in assessing the feasibility and scalability of emerging technologies, especially in the context of innovation and development. Central to any effective TEA is a reliable and detailed model of capital...

  • Article
  • Open Access
28 Citations
4,783 Views
12 Pages

16 April 2020

This paper analyzed urban network and regions in China using a complex network model. Data of daily migration among 348 prefectural-level cities from the Baidu Map location-based service (LBS) Open Platform were used to calculate urban network metric...

  • Article
  • Open Access
38 Citations
5,414 Views
23 Pages

A New Individual-Based Model to Simulate Malware Propagation in Wireless Sensor Networks

  • Farrah Kristel Batista,
  • Angel Martín del Rey and
  • Araceli Queiruga-Dios

13 March 2020

Wireless Sensor Networks (WSNs) are a set of sensor devices deployed in a given area that form a network without a pre-established architecture. Recently, malware has increased as a potential vulnerability for the Internet of Things, and consequently...

  • Article
  • Open Access
3 Citations
4,405 Views
20 Pages

A PLC Channel Model for Home Area Networks

  • Xinyu Fang,
  • Ning Wang and
  • Thomas Aaron Gulliver

30 November 2018

Smart meters (SMs) are key components of the smart grid (SG) which gather electricity usage data from residences and businesses. Home area networks (HANs) are used to support two-way communications between SMs and devices within a building such as ap...

  • Article
  • Open Access
16 Citations
5,513 Views
17 Pages

29 December 2022

The explosive evolution of the internet has paved the path for the rise of social networks, which can help people connect remotely. Currently, social networks are commonly used for sharing thoughts, feelings, information, and personal life, which var...

  • Article
  • Open Access
24 Citations
3,782 Views
15 Pages

A Stochastic Model Approach for Copper Heap Leaching through Bayesian Networks

  • Manuel Saldaña,
  • Javier González,
  • Ricardo I. Jeldres,
  • Ángelo Villegas,
  • Jonathan Castillo,
  • Gonzalo Quezada and
  • Norman Toro

7 November 2019

Multivariate analytical models are quite successful in explaining one or more response variables, based on one or more independent variables. However, they do not reflect the connections of conditional dependence between the variables that explain th...

  • Article
  • Open Access
8 Citations
3,404 Views
15 Pages

Water utilities are like arteries for the urban environment and, in order to satisfy water demand, extensive design and operation work applying modeling tools is required. An effective tool can be operated but only if the input, such as real-world co...

  • Article
  • Open Access
19 Citations
7,637 Views
19 Pages

The determination of the optimal interventions to execute on rail infrastructure networks is a challenging task, due to the many types of objects (e.g., bridges, tracks, and switches), how the objects work together to provide service, and the possibl...

  • Article
  • Open Access
8 Citations
2,765 Views
15 Pages

Towards Model-Free Pressure Control in Water Distribution Networks

  • Thapelo C. Mosetlhe,
  • Yskandar Hamam,
  • Shengzhi Du,
  • Eric Monacelli and
  • Adedayo A. Yusuff

26 September 2020

Pressure control in water distribution networks (WDNs) is one of the interventions commonly employed to improve the reliability and sustainability of water supply. Various approaches have been proposed to solve the problem of pressure control. Howeve...

  • Article
  • Open Access
21 Citations
8,217 Views
16 Pages

Integrating Artificial Neural Networks into the VIC Model for Rainfall-Runoff Modeling

  • Changqing Meng,
  • Jianzhong Zhou,
  • Muhammad Tayyab,
  • Shuang Zhu and
  • Hairong Zhang

19 September 2016

A hybrid rainfall-runoff model was developed in this study by integrating the variable infiltration capacity (VIC) model with artificial neural networks (ANNs). In the proposed model, the prediction interval of the ANN replaces separate, individual s...

  • Article
  • Open Access
1,824 Views
16 Pages

Cultural Dissemination on Evolving Networks: A Modified Axelrod Model Based on a Rewiring Process

  • Yuri Perez,
  • Fabio Henrique Pereira and
  • Pedro Henrique Triguis Schimit

17 April 2025

In this paper, we investigate the classical Axelrod model of cultural dissemination under an adaptive network framework. Unlike the original model, we place agents on a complex network, where they cut connections with any agent that does not share at...

  • Article
  • Open Access
8 Citations
4,384 Views
28 Pages

Fast Motion Model of Road Vehicles with Artificial Neural Networks

  • Ferenc Hegedüs,
  • Péter Gáspár and
  • Tamás Bécsi

Nonlinear optimization-based motion planning algorithms have been successfully used for dynamically feasible trajectory planning of road vehicles. However, the main drawback of these methods is their significant computational effort and thus high run...

  • Article
  • Open Access
11 Citations
7,662 Views
21 Pages

A Cloud Theory-Based Trust Computing Model in Social Networks

  • Fengming Liu,
  • Xiaoqian Zhu,
  • Yuxi Hu,
  • Lehua Ren and
  • Henric Johnson

28 December 2016

How to develop a trust management model and then to efficiently control and manage nodes is an important issue in the scope of social network security. In this paper, a trust management model based on a cloud model is proposed. The cloud model uses a...

  • Article
  • Open Access
1 Citations
3,729 Views
14 Pages

Decision Making in Networks: A Model of Awareness Raising

  • Federico Bizzarri,
  • Alessandro Giuliani and
  • Chiara Mocenni

27 January 2023

This work investigates how interpersonal interactions among individuals could affect the dynamics of awareness raising. Even though previous studies on mathematical models of awareness in the decision making context demonstrate how the level of aware...

  • Article
  • Open Access
31 Citations
5,234 Views
17 Pages

10 October 2018

A computer-based simulation model was developed to quantify the seismic damage that may occur in water supply networks and to suggest restoration strategies after such events. The model was designed to produce probabilistic seismic events and determi...

  • Article
  • Open Access
3 Citations
1,509 Views
17 Pages

3 July 2024

To characterize the complex creep behavior of steel slag–asphalt mixture influenced by both stress and temperature, predictive models employing Back Propagation (BP) and Long Short-Term Memory (LSTM) neural networks are described and compared i...

  • Article
  • Open Access
41 Citations
9,172 Views
18 Pages

A Model of Perception of Privacy, Trust, and Self-Disclosure on Online Social Networks

  • Lili Nemec Zlatolas,
  • Tatjana Welzer,
  • Marko Hölbl,
  • Marjan Heričko and
  • Aida Kamišalić

7 August 2019

Online Social Networks are used widely, raising new issues in terms of privacy, trust, and self-disclosure. For a better understanding of these issues for Facebook users, a model was built that includes privacy value, privacy risk, trust, privacy con...

  • Review
  • Open Access
28 Citations
5,424 Views
33 Pages

17 November 2020

Link prediction is the most basic and essential problem in complex networks. This study analyzes the observed topological, time, attributive, label, weight, directional, and symbolic features and auxiliary information to find the lack of connection a...

  • Article
  • Open Access
4 Citations
2,993 Views
16 Pages

22 April 2021

The degree distribution has attracted considerable attention from network scientists in the last few decades to have knowledge of the topological structure of networks. It is widely acknowledged that many real networks have power-law degree distribut...

  • Article
  • Open Access
2 Citations
1,346 Views
14 Pages

In this article, a new analytical model is proposed for a limited-availability group serving a mixture of multiservice BPP (Binomial, Poisson, Pascal) traffic. The model assumes that the different traffic classes belonging to this traffic mixture hav...

  • Article
  • Open Access
85 Citations
6,988 Views
17 Pages

14 November 2018

This study applied a GR4J model in the Xiangjiang and Qujiang River basins for rainfall-runoff simulation. Four recurrent neural networks (RNNs)—the Elman recurrent neural network (ERNN), echo state network (ESN), nonlinear autoregressive exoge...

  • Article
  • Open Access
10 Citations
3,533 Views
24 Pages

Nonlinear Unmixing via Deep Autoencoder Networks for Generalized Bilinear Model

  • Jinhua Zhang,
  • Xiaohua Zhang,
  • Hongyun Meng,
  • Caihao Sun,
  • Li Wang and
  • Xianghai Cao

15 October 2022

Hyperspectral unmixing decomposes the observed mixed spectra into a collection of constituent pure material signatures and the associated fractional abundances. Because of the universal modeling ability of neural networks, deep learning (DL) techniqu...

  • Article
  • Open Access
8 Citations
2,512 Views
26 Pages

30 April 2023

Quick and accurate detection of inside packet drop attackers is of critical importance to reduce the damage they can have on the network. Trust mechanisms have been widely used in wireless sensor networks for this purpose. However, existing trust mod...

  • Article
  • Open Access
3 Citations
3,548 Views
32 Pages

4 March 2025

The rapid expansion of satellite networks has enabled the widespread deployment of satellite-based services across various sectors. However, these networks often prioritize cost-effectiveness over security considerations, leading to inherent architec...

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