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Retrial Queues with Unreliable Servers and Delayed Feedback [PDF]

open access: yesMathematics, 2021
In this paper, models of unreliable multi-server retrial queues with delayed feedback are examined. The Bernoulli retrial is allowed upon the arrival of both primary (from outside) and feedback customers (from orbit), as well as the Bernoulli feedback ...
János Sztrik   +2 more
exaly   +4 more sources

Performance evaluation of unreliable system with infinite number of servers [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2020
In the paper, we investigate queueing system M/G/∞ with non–homogeneous customers. As non–homogenity, we mean that each customer is characterized by some arbitrarily distributed random volume.
O. Tikhonenko, M. Ziółkowski
doaj   +3 more sources

Hybrid Machine Learning-Based Fault-Tolerant Sensor Data Fusion and Anomaly Detection for Fire Risk Mitigation in IIoT Environment [PDF]

open access: yesSensors
In the oil and gas IIoT environment, fire detection systems heavily depend on fire sensor data, which can be prone to inaccuracies due to faulty or unreliable sensors. These sensor issues, such as noise, missing values, outliers, sensor drift, and faulty
Jayameena Desikan   +5 more
doaj   +2 more sources

BFLAFD: blockchain-enabled federated learning framework for adaptive fire detection in IIoT networks [PDF]

open access: yesScientific Reports
The Industrial Internet of Things (IIoT) is a network of interconnected sensors, devices, and control systems in the oil and gas sectors that has been developed to make the industries automated and continuously monitored. However, there are challenges in
Jayameena Desikan   +3 more
doaj   +2 more sources

Trust-Aware Scheduling for Edge Computing With Task Dependencies and Unreliable Servers

open access: yesIEEE Access, 2023
Volunteer Edge Computing (VEC) is a promising solution for addressing the challenge of high round-trip latency in traditional cloud computing systems. Leveraging distributed computing resources reduces latency and improves performance.
Yousef Alsenani, Abdulaziz S. Alnori
doaj   +1 more source

RPVC: A Revocable Publicly Verifiable Computation Solution for Edge Computing

open access: yesSensors, 2022
With publicly verifiable computation (PVC) development, users with limited resources prefer to outsource computing tasks to cloud servers. However, existing PVC schemes are mainly proposed for cloud computing scenarios, which brings bandwidth consumption
Zi Jiao   +3 more
doaj   +1 more source

Asymptotic Diffusion Analysis of Retrial Queueing System M/M/1 with Impatient Customers, Collisions and Unreliable Servers

open access: yesAxioms, 2022
In this paper, a retrial queueing system of the M/M/1 type with Poisson flows of arrivals, impatient customers, collisions, and an unreliable service device is considered.
Elena Danilyuk   +3 more
doaj   +1 more source

Inconsistent and incomplete retraction of published research: A cross-sectional study on Covid-19 retractions and recommendations to mitigate risks for research, policy and practice.

open access: yesPLoS ONE, 2021
BackgroundRetraction of published research can reduce the dissemination of incorrect or misleading information, but concerns have been raised about the clarity and rigor of the retraction process.
Geoff Frampton   +2 more
doaj   +2 more sources

Reputation-Aware Multi-Agent DRL for Secure Hierarchical Federated Learning in IoT

open access: yesIEEE Open Journal of the Communications Society, 2023
Aiming at protecting device data privacy, Federated Learning (FL) is a framework of distributed machine learning in which devices’ local model parameters are exchanged with a centralized server without revealing the actual data.
Noora Mohammed Al-Maslamani   +2 more
doaj   +1 more source

Analysis of an unreliable server with soft failures and working vacations and its application in a smart healthcare system

open access: yesResults in Control and Optimization, 2023
The majority of the studies on queues with failing servers focused on catastrophic failures. Catastrophic failures are actually a particular kind of server failure that causes system clearing.
B. Janani, K.V. Vijayashree
doaj   +1 more source

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