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Ahmed Zekri
Researcher at Beirut Arab University
Publications - 33
Citations - 231
Ahmed Zekri is an academic researcher from Beirut Arab University. The author has contributed to research in topics: Cloud computing & Virtual machine. The author has an hindex of 8, co-authored 33 publications receiving 153 citations. Previous affiliations of Ahmed Zekri include Alexandria University & University of Aizu.
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Journal ArticleDOI
Factors Influencing SMEs’ Adoption of Cloud Computing Services in Lebanon: An Empirical Analysis Using TOE and Contextual Theory
TL;DR: The technology–organization–environment (TOE) framework and the Contextual Theory are deployed to empirically examine the determinants of cloud computing service adoption in a developing country, namely Lebanon and results indicate that technological and organizational factors are positively related to the decision to adopt cloud computing services.
Journal ArticleDOI
Type-aware virtual machine management for energy efficient cloud data centers
TL;DR: A distributed approach to an energy-efficient dynamic virtual machine consolidation mechanism that determines, based on novel algorithms, which virtual machines to migrate, and when, and the results of the performance evaluation demonstrate that the proposed new algorithms are able to enhance the energy efficiency in cloud data centers.
Journal ArticleDOI
Power management in virtualized data centers: state of the art
TL;DR: This survey is a valuable guide for researchers in the field of power efficiency in virtualized data centers following the cloud computing model.
Proceedings ArticleDOI
Orbital Algorithms and Unified Array Processor for Computing 2D Separable Transforms
TL;DR: A novel formulation and a highly-parallel implementation of the frequently required matrix data alignment and manipulation is introduced by using MMA operations on the same array processor so that no additional circuitry is needed.
Journal ArticleDOI
Enhancing the matrix transpose operation using intel avx instruction set extension
TL;DR: This paper presents a novel vector-based matrix transpose algorithm and its optimized implementation using AVX instructions, and demonstrates a 2.83 speedup over the standard sequential implementation, and a maximum of 1.53 speed up over the GCC library implementation.