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A Multi-Model Approach for Simulation-Based Digital Twin in Resilient Services
2021
WSEAS transactions on systems and control
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The current work presents a multi-model approach for simulation-based digital twins as a formal and technological foundation for the analysis and improvement of resilient services. ...
sources and storages, to manage operations in real-time, as well as to enable collaboration between the users in an integrated web platform. ...
The activity diagram shows that the implementation of the DT simulator is possible in such simulation paradigms as discrete-event system simulation and discrete time system simulation. ...
doi:10.37394/23203.2021.16.10
fatcat:dlm6bh3zrfbs5pw6z7lgmargra
Co-Transformation to Cloud-Native Applications - Development Experiences and Experimental Evaluation
2018
Proceedings of the 8th International Conference on Cloud Computing and Services Science
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Experimental results demonstrate that the proposed methodology is capable to effectively guide a transformation process, resulting in elastic and resilient cloud-native applications. ...
This work thus introduces a co-transformation methodology and validates it through the migration of a prototypical music identification and royalty collection application. ...
The thread T b reads the music of the first document d b,1 , and the amount of blocks q m of that music, previously stored in Musics table and defined by its duration, then search's for a match in the ...
doi:10.5220/0006790305960607
dblp:conf/closer/SpillnerBBL18
fatcat:uvpd5wqeyrcuvlhcxuwyulybfu
A Cloud-Enabled Application Framework for Simulating Regional-Scale Impacts of Natural Hazards on the Built Environment
2020
Frontiers in Built Environment
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In this paper, the modular architecture of the computational workflow models is described and illustrated through testbed applications to evaluate regional building damage under an earthquake and a hurricane ...
By integration of multi-fidelity and multi-resolution models to assess natural hazard impacts on buildings, infrastructure systems and other constructed facilities, the approach enables the engineering ...
framework to facilitate the integration and sharing of models and data for comprehensive analyses of natural hazards and their effects on the built environment. ...
doi:10.3389/fbuil.2020.558706
fatcat:ol5nzrznpnhdbiuez6xtrxkmhi
A flexible framework for accurate simulation of cloud in-memory data stores
2015
Simulation modelling practice and theory
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To cope with the issue of predicting/analysing the behavior of different configurations of cloud in-memory data stores, in this article we present a flexible simulation framework offering skeleton simulation ...
Besides its flexibility, another peculiar aspect of the framework lies in that it integrates simulation and machine-learning (black-box) techniques, the latter being used to capture the dynamics of the ...
The adequacy of the framework, and of its model instances, in predicting the dynamics of data grid systems hosted in cloud environments is a result of the combination of the discrete event simulative approach ...
doi:10.1016/j.simpat.2015.05.011
fatcat:j7n7bmawmjbg7bzq32frvedkim
Supply chain disruptions and resilience: a major review and future research agenda
2021
Annals of Operations Research
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Our review also examines the most popular modeling approaches on the topic with indicative examples and the IT tools that enhance resilience and reduce disruption risks. ...
The content analysis of these studies synthesized existing information about the types of disruptions, their impact on supply chains, resilience methods in supply chain design and recovery strategies proposed ...
Simulation techniques such as discrete-event simulation, system dynamics, agent-based modeling, optimization-based simulation and graph theory-based simulation have been applied to describe and model the ...
doi:10.1007/s10479-020-03912-1
pmid:33437110
pmcid:PMC7792559
fatcat:x2ce77z4lval7ifffhit6bhnvm
Validated 3D Spatial Stepwise Quantitative Hazard, Risk and Resilience Analysis and Management of Explosive Events in Urban Areas
2018
European Journal for Security Research
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Furthermore, along the presentation a set of quality requirements regarding explosive event risk and resilience analyses are provided as collected over the years from the in-field, user group and engineering ...
The paper shows a refined process how to systematically improve resilience when using the tool, in particular through barriers at explosive sites and at exposed sites of various geometries. ...
The authors gratefully acknowledge early contributions to the assessment process and method foundations and validations relevant for the civil security domain, in parts also to early first text ...
doi:10.1007/s41125-018-0035-y
fatcat:f6z3hsggmre57kqkp76vkhcp7u
The CACTOS Vision of Context-Aware Cloud Topology Optimization and Simulation
2014
2014 IEEE 6th International Conference on Cloud Computing Technology and Science
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ACKNOWLEDGEMENTS The authors extend their gratitude to Dr. Laura Moore of SAP Global Research and Business Incubation Belfast, Belfast, Northern Ireland for work related to this research. ...
This work is funded by the European Union's Seventh Framework Programme under grant agreement 610711. ...
Simulation. Discrete-event simulation techniques are used to model, simulate, and evaluate software and hardware resources in large-scale, heterogeneous data center environments. ...
doi:10.1109/cloudcom.2014.62
dblp:conf/cloudcom/OstbergGWBNSKATESKDHBSMPWRP14
fatcat:n3sv2ynetrbuzegh5dkbt72wne
Cyber-Physical Power System (CPPS): A Review on Modelling, Simulation, and Analysis with Cyber Security Applications
2020
IEEE Access
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The individual domain of the CPPS can be modelled and simulated by continuous-time based power system simulation tools and discrete-event based cyber system simulation tools, as listed in Table 5 . ...
It includes the hybrid data fusion of cyber and physical systems to monitor the stability of CPPS. Analysing the impact of the integration of renewable energy systems and electric vehicles in CPPS. ...
doi:10.1109/access.2020.3016826
fatcat:caax2ubyyrclhj37g5ynvlm66q
Synchronization methods in parallel and distributed discrete-event simulation
2013
Simulation modelling practice and theory
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This requires a precise and accurate synchronization of all the LPs in the system since data and computation distribution may result in different errors related to the concurrent processing of the simulation ...
In discrete-event simulation, the operation of a system is represented as an ordered sequence of events, where each event occurs at an instant in time. ...
a b s t r a c t This work attempts to provide insight into the problem of executing discrete event simulation in a distributed fashion. ...
doi:10.1016/j.simpat.2012.08.003
fatcat:azaynxjyingybamdj2whgo5bme
Practical Adoption of Cloud Computing in Power Systems- Drivers, Challenges, Guidance, and Real-world Use Cases
[article]
2022
arXiv
pre-print
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It follows with the discussion of the challenges and risks of migrating power grid utility workloads to the cloud. ...
We hope that the information in this paper will serve as helpful guidance for the development of NERC guidelines and standards relevant to cloud adoption in the industry. ...
The authors would like to thank a group of Task Force members for providing the facts about how they use cloudbased solutions to address their specific business needs. ...
arXiv:2108.00303v5
fatcat:sr7n5gelfbcgdcm2l56c5ahcza
Smart Flood Resilience: Harnessing Community-Scale Big Data for Predictive Flood Risk Monitoring, Rapid Impact Assessment, and Situational Awareness
[article]
2021
arXiv
pre-print
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2021 pre-print arXiv:2111.06461v1 fatcat:chmhag5flzailk2gqq62tmzn2e
Smart resilience is the beneficial result of the collision course of the fields of data science and urban resilience to flooding. ...
Fourth, we leverage location-based and credit card transaction data in spatial analyses to proactively evaluate the recovery of communities and the impacts of floods on businesses. ...
The authors would also like to acknowledge INRIX, Inc. and SafeGraph for providing data. ...
arXiv:2111.06461v2
fatcat:2ugdb6geivdsjp5ypzkspvldey
Identity-based Provable Data Possession for Multicloud Storage with Parallel Key-Insulation
2021
KSII Transactions on Internet and Information Systems
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The PKI-based PDP schemes in [8] [9] [10] [11] [12] [13] audit the data stored in a single cloud and are resilient to the exposure of the audit key. ...
Auditing schemes are used to ascertain the integrity of cloud data. Of these schemes, only the Provable Data Possession schemes (PDP) are resilient to key-exposure. ...
University for their advice and encouragement which were very helpful in improving the quality of this work. ...
doi:10.3837/tiis.2021.09.013
fatcat:2hhsolgtqzeejkrsjmkex45lbq
Fatality risk estimation for industrialized urban areas considering multi-hazard domino effects triggered by earthquakes
2020
Reliability Engineering & System Safety
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These models are then coupled with the Monte Carlo method to estimate the annual probability of fatality for an individual who is continuously standing in a location of interest and to estimate fatality ...
Thus it is considered that fatalities can be caused: a) as a direct consequence of seismic damage to a unit b) as a direct physical and/or chemical consequence due to the loss of containment of hazardous ...
Acknowledgement This research is part of the XP-RESILIENCE project, which is funded by the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement ...
doi:10.1016/j.ress.2020.107287
fatcat:bzmiweykljfxjmiatnyh5dsgxa
A Survey on Cloud Computing Simulation and Modeling
2020
SN Computer Science
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Cloud Computing (CC) has attracted a massive amount of research and investment in the previous decade. ...
Alternatively, others tools are made to provide a platform and the necessary building blocks to model any desired sub-component (application/ network model, energy consumption, scheduling and Virtual Machine ...
MDCSim Multi-tier DC Simulation Platform [50] (MDCSim) is a commercial cloud simulator built upon CSIM [51] , which is a discrete event simulator that was made to analyse interactions between the components ...
doi:10.1007/s42979-020-00273-1
fatcat:buaqip6emrhyvjia67bwga6iiy
Implementing Remote Data Integrity Checking Protocol for Secured Storage Services with Data Dynamics and Public Verifiability In Cloud Computing
2012
IOSR Journal of Engineering
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Recently many works focus on providing data dynamics and/or public verifiability to the protocols checking the remote integrity with the help of third party verifiers. In this paper, Seb´e et al.' ...
The proposed scheme is highly efficient and resilient against the malicious data modification attack, server clouding attacks and failure. ...
Data owners store data in the cloud and send every share of data entries to the service providers. ...
doi:10.9790/3021-0203496500
fatcat:2uo277xsfrcoto5fgxkrrmukvm
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