نتایج جستجو برای: infrastructures

تعداد نتایج: 15504  

2012
Carleton Coffrin Pascal Van Hentenryck Russell Bent

This paper considers the restoration of multiple interdependent infrastructures after a man-made or natural disaster. Modern infrastructures feature complex cyclic interdependencies and require a holistic restoration process. This paper presents the first scalable approach for the last-mile restoration of the joint electrical power and gas infrastructures. It builds on an earlier threestage dec...

Journal: :IJCIS 2009
Hafiz Abdur Rahman Konstantin Beznosov José R. Martí

Modern Communication and Information Technology Infrastructure (CITI) provides key links and services to many other critical infrastructures [1], such as telecommunication, electricity, water supply, oil and gas networks, transportation, financial services, etc. Over the years, integration of these infrastructures with CITI has become pervasive, extensive, and complex. As such, failure in CITI,...

This study aims to develop a novel methodology to prioritize the construction of new railway infrastructures for privatization. The private sector can cooperate to solve the capacity problems of railway networks, by the construction of new infrastructure. The purpose of this study is to answer the basic question that whether the capacity problems of the railway networks can be solved simply by ...

Journal: مدیریت شهری 2015
Fatemeh Mehdi Poor, Reza Rasooli,

The purpose of this study is to explore infrastructures for establishment of electronic municipality in metropolis city of Tabriz. Thisis a descriptive survey and it is an applied one in terms of goal .Total sample consisted of total number of 120 employees in Statistics and Information Technology Department of municipality as well as those working in related sections to information technolog...

2007
Felix Flentge Uwe Beyer

The implementation-service-effect (ISE) metamodel is a general framework for modeling critical infrastructures that can integrate several different perspectives. The metamodel has a technical basis and also provides the abstractions needed for risk assessment and management of critical infrastructures in complex environments. ISE supports an iterative modeling approach that continuously refines...

2012
Leonidas Lymberopoulos Mary Grammatikou Martin Potts Paola Grosso Attila Fekete Bartosz Belter Mauro Campanella Basil S. Maglaris

The EC FP7/FIRE STREP project NOVI Network Innovation over Virtualized Infrastructures explores efficient approaches to compose virtualized e-Infrastructures towards a holistic Future Internet (FI) cloud service. Resources belonging to various levels, i.e. networking, storage and processing are in principle managed by separate yet inter-working providers. In this ecosystem NOVI aspires to devel...

2004
William J. Tolone David Wilson Anita Raja E. Wray Johnson

Protecting critical infrastructures, such as electrical power grids, has become a significant concern for many nation states in recent years. Increasing attention is being given to the problem of infrastructure modeling, in order to help identify and redress potential vulnerabilities. Understanding critical infrastructure behavior involves modeling not only individual infrastructures, but also ...

2013
Benjamin Rey Jerome Tixier Aurelia Bony-Dandrieux Gilles Dusserre Laurent Munier Emmanuel Lapebie

Industrial activities are increasingly dependent on each other. Several recent events (e.g. Tsunami and earthquake in Japan in 2011) illustrate the consequences (e.g. humans, economic...) of interactions between industrial infrastructures. The state-of-the-art review focused mainly on the risk assessment and interdependencies between critical infrastructures. The aim of this paper is to present...

Journal: :Computers & Electrical Engineering 2013
Mattijs Ghijsen Jeroen van der Ham Paola Grosso Cosmin Dumitru Hao Zhu Zhiming Zhao Cees T. A. M. de Laat

This paper describes our approach to modeling computing infrastructures. Our main contribution is the Infrastructure and Network Description Language (INDL) ontology. The aim of INDL is to provide technology independent descriptions of computing infrastructures, including the physical resources as well as their network infrastructure. INDL also provides the necessary vocabulary to describe virt...

2009
Guilherme Piegas Koslovski Tram Truong Huu Johan Montagnat Pascale Vicat-Blanc Primet

With the convergence of computing and communication, and the expansion of cloud computing, new models and tools are needed to allow users to define, create, and exploit on-demand virtual infrastructures within wide area distributed environments. Optimally designing customized virtual execution-infrastructure and executing them on a physical substrate remains a complex problem. This paper presen...

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