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36 results for “S. N. Daoud”
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Research ArticleOpen accessIn the author namesUsing Both a Probabilistic Evolutionary Graph and the Evidence Theory for Color Scene AnalysisNassim Ammour, Abderrezak Guessoum, Daoud BerkaniIn this research, we introduce a new color images segmentation algorithm. The color scene analytic method is based on the progress of a probabilistic evolutionary graph. The strategy consists in making grow an evolutionary graph, which presents the scene elements in an unsupervised segmented image. The graph evolution development is based on the computation of the belonging probabilities to the … …American Journal of Applied Sciences, Vol. 5, Issue 12 · 31 Dec 2008 · 7,018 accessesView PDFCite
Research ArticleOpen accessIn the author namesA New Quantum key Distribution ProtocolEssam Al-DaoudA new quantum key distribution protocol is proposed. The suggested protocol has two advantages. First: whenever an eavesdropper is present, the error rate increases obviously. Second, the eavesdropper can get only 2/n from the total information for an arbitrary n. Hence, eavesdropper has less information and can be detected easier. Moreover, the new protocol effectiveness is discussed and shown to … …American Journal of Applied Sciences, Vol. 5, Issue 2 · 28 Feb 2008 · 6,735 accessesView PDFCite
Research ArticleOpen accessIn the author namesSemantics of Lazy Evaluation using the Two-Level GrammarMahmoud A. AbouGhaly, Sameh S. Daoud, Azza A. Taha, Salwa M. AlyWe have formalized the semantics of lazy evaluation for the lambda calculus using the two-level grammar formalism. The resulting semantics enjoys several properties, e.g., there is a sharing in the recursive computation, there is no α conversion, the heap is automatically reclaimed, an attempt to evaluate an argument is done at most once and there is a sharing in the … …Journal of Computer Science, Vol. 4, Issue 1 · 31 Jan 2008 · 6,759 accessesView PDFCite
Research ArticleOpen accessIn the author namesOperational Semantics for Lazy EvaluationMahmoud A. Abou Ghaly, Sameh S. Daoud, Azza A. Taha, Salwa M. AlyAn operational semantics for lazy evaluation of a calculus without higher order functions was defined. Although it optimizes many aspects of implementation, e.g. there is a sharing in the recursive computation, there is no α conversion, the heap is automatically reclaimed, and an attempt to evaluate an argument is done at most once. It is still suitable for reasoning about … …Journal of Computer Science, Vol. 3, Issue 8 · 31 Aug 2007 · 6,710 accessesView PDFCite
Research ArticleOpen accessIn the author namesA Web-Based E-Learning System Using Semantic Web FrameworkFayed F.M. Ghaleb, Sameh S. Daoud, Ahmad M. Hasna et al.E-learning is being increasing viewed as an important activity in the field of distance and continuing education. Web-based courses offer obvious advantages for learners by making access to educational resource very fast, just-in-time and relevant, at any time or place. In this study, based on our previous work, we present a framework for our web-based e-learning system using the Semantic … …Journal of Computer Science, Vol. 2, Issue 8 · 31 Aug 2006 · 6,920 accessesView PDFCite
Research ArticleOpen accessIn the author namesSpirulina protects against cadmium-induced hepatotoxicity in ratsAmr Amin, Alaaeldin A. Hamza, Sayel Daoud, Waleed HamzaCadmium (Cd) is an environmental and industrial cumulative pollutant that most affects many organs specially the liver. The protective effect of Spirulina, filamentous blue green algae, on Cd – induced oxidative stress and hepatotoxicity was evaluated in male rats. Oral administration of water extract of Spirulina for seven days followed by an acute toxic dose of Cd (3.5 mg kg … …American Journal of Pharmacology and Toxicology, Vol. 1, Issue 2 · 30 Jun 2006 · 11,537 accessesView PDFCite
Research ArticleOpen accessIn the author namesFactors Associated with Death in Patients COVID-19 at the Epidemic Treatment Center of the Fann National University Hospital, DakarViviane Marie Pierre Cisse, Khardiata Diallo Mbaye, Ndèye Maguette Fall et al.The aim of this study was to identify the factors associated with death in patients monitored for COVID-19 at the Epidemic Treatment Center (ETC) of the Fann National University Hospital (FNUH). This was a cross-sectional, retrospective, descriptive, and analytical study of patients hospitalized for COVID-19 during the period from 1 July 2021 to 31 March 2022. Patients aged 16 years … …American Journal of Infectious Diseases, Vol. 20, Issue 2 · 4 Nov 2024 · 4,263 accessesView PDFCite
Research ArticleOpen accessIn the author namesImprovement of Moroccan Dialect Sentiment Analysis Using Arabic BERT-Based ModelsGhizlane Bourahouat, Manar Abourezq, Najima DaoudiThis study addresses the crucial task of sentiment analysis in natural language processing, with a particular focus on Arabic, especially dialectal Arabic, which has been relatively understudied due to inherent challenges. Our approach centers on sentiment analysis in Moroccan Arabic, leveraging BERT models that are pre-trained in the Arabic language, namely AraBERT, QARIB, ALBERT, AraELECTRA, and CAMeLBERT. These models are … …Journal of Computer Science, Vol. 20, Issue 2 · 27 Dec 2023 · 6,549 accessesView PDFCite
Research ArticleOpen accessIn the author namesBulk and Interface Configuration on the Performances of Perovskite Solar CellsSankara Issiaka, Soumaïla Ouédraogo, Daouda Oubda et al.The ongoing search for energy conversion technologies that are more efficient, affordable, and sustainable than traditional solar cells have led researchers to look at other technologies. Among these technologies, perovskite-based solar cells seem increasingly credible, as they have the potential to achieve high energy conversion efficiencies that rival or even surpass those of silicon solar cells, which currently dominate the … …American Journal of Applied Sciences, Vol. 20, Issue 1 · 7 Nov 2023 · 6,024 accessesView PDFCite
Research ArticleOpen accessIn the author namesImpact of Strategic Initiatives on the Adaptation of Enterprise ArchitectureWissal Daoudi, Kawtar Imgharene, Karim Doumi, Laila KjiriNowadays, companies are immersed in disruptive environments. To thrive in the ‘new normal’, they drive strategic initiatives resulting in changes with unpredictable frequencies and extents. These changes impact different elements of the company, which makes them a crucial matter for enterprise architecture. However, the traditional management operating models have become overstrained, which leads to existential threats. Therefore, the adaptation of … …Journal of Computer Science, Vol. 19, Issue 11 · 19 Sep 2023 · 5,726 accessesView PDFCite