A hybrid approach to scheduling real-time IoT workflows in fog and cloud environments

GL Stavrinides, HD Karatza - Multimedia Tools and Applications, 2019 - Springer
In this paper, we propose a hybrid fog and cloud-aware heuristic for the dynamic scheduling
of multiple real-time Internet of Things (IoT) workflows in a three-tiered architecture. In …

An energy-efficient, QoS-aware and cost-effective scheduling approach for real-time workflow applications in cloud computing systems utilizing DVFS and …

GL Stavrinides, HD Karatza - Future Generation Computer Systems, 2019 - Elsevier
Green cloud computing attracts significant attention from both academia and industry. One of
the major challenges involved, is to provide a high level of Quality of Service (QoS) in a cost …

A comparative analysis of resource allocation schemes for real-time services in high-performance computing systems

MS Qureshi, MB Qureshi, M Fayaz… - International …, 2020 - journals.sagepub.com
An efficient resource allocation scheme plays a vital role in scheduling applications on high-
performance computing resources in order to achieve desired level of service. The major …

Dynamic scheduling of bags-of-tasks with sensitive input data and end-to-end deadlines in a hybrid cloud

GL Stavrinides, HD Karatza - Multimedia Tools and Applications, 2021 - Springer
As organizations with existing on-premise infrastructure investments shift to the hybrid cloud
computing paradigm, it is imperative to address the various challenges involved. One of the …

Energy-aware scheduling of real-time workflow applications in clouds utilizing DVFS and approximate computations

GL Stavrinides, HD Karatza - … on future internet of things and …, 2018 - ieeexplore.ieee.org
As cloud services become more ubiquitous, green cloud computing attracts significant
attention from both academia and industry. Towards this direction, in this paper we propose …

How much workload is a 'good'workload for human beings to meet the deadline: human capacity zone and workload equilibrium

M Zhao, D Qiu, Y Zeng - Journal of Engineering Design, 2023 - Taylor & Francis
When given a 'good'workload, human participants can efficiently complete the assigned task
within the time limit, while they may fail to complete it due to low efficiency when given a …

Orchestration of real-time workflows with varying input data locality in a heterogeneous fog environment

GL Stavrinides, HD Karatza - 2020 Fifth International …, 2020 - ieeexplore.ieee.org
As fog computing continues to gain momentum, the effective orchestration of Internet of
Things (IoT) workloads on such heterogeneous environments is an open challenge. In order …

Performance evaluation of a SaaS cloud under different levels of workload computational demand variability and tardiness bounds

GL Stavrinides, HD Karatza - Simulation Modelling Practice and Theory, 2019 - Elsevier
As the paradigm shift toward Software as a Service (SaaS) continues to gain momentum,
there is a growing focus on the performance of SaaS clouds from both academia and …

Scheduling linear workflows with dynamically adjustable exit tasks on distributed resources

GL Stavrinides, HD Karatza - 2023 IEEE 15th International …, 2023 - ieeexplore.ieee.org
In this study, we propose and investigate a scheduling technique for linear workflow (LW)
jobs with dynamically adjustable exit tasks in a distributed system. The proposed approach …

Workload scheduling in fog and cloud environments: emerging concepts and research directions

GL Stavrinides, HD Karatza - … : A Book Honoring Professor Mohammad S …, 2022 - Springer
In recent years, we have been witnessing the growing adoption of infrastructure
virtualization technologies and cloud computing. A wide range of applications has been …