Amr Mohamed
YOU?
Author Swipe
View article: Prevalence and factors associated with undernutrition among HIV positive children aged 6 months to 12 years attending antiretroviral treatment clinics in Bushenyi district, Uganda: A cross sectional study
Prevalence and factors associated with undernutrition among HIV positive children aged 6 months to 12 years attending antiretroviral treatment clinics in Bushenyi district, Uganda: A cross sectional study Open
Background Undernutrition remains a major public health concern among HIV-positive children. Despite advancements in antiretroviral therapy (ART) effectiveness in managing HIV, these children still face nutritional challenges that impact t…
View article: Generative AI for Sustainable Project Management in the Built Environment: Trends, Challenges, and Future Directions
Generative AI for Sustainable Project Management in the Built Environment: Trends, Challenges, and Future Directions Open
Generative Artificial Intelligence (GAI) is gaining increasing attention as a catalyst for advancing sustainability within project management for buildings and infrastructure. This paper systematically reviews 173 peer-reviewed publication…
View article: Spontaneous Passage of an Accidentally Ingested Metallic Bullet Casing in an Adolescent: A Case Report
Spontaneous Passage of an Accidentally Ingested Metallic Bullet Casing in an Adolescent: A Case Report Open
Background Accidental ingestion of foreign objects is common and can lead to severe complications. While frequently encountered in children and certain high-risk adult populations, such occurrences remain rare in healthy adolescents withou…
View article: Medical Education Amidst Conflict: A National Assessment of Sudanese Medical Students’ Perceptions Using the DREEM Tool
Medical Education Amidst Conflict: A National Assessment of Sudanese Medical Students’ Perceptions Using the DREEM Tool Open
Background The ongoing conflict in Sudan has severely disrupted medical education, urging the need to assess the educational environment experienced by medical students across the country. Methods A cross-sectional study was conducted betw…
View article: Beliefs, misconceptions, and practices related to epilepsy among adults in Sudan: A large‐scale cross‐sectional study
Beliefs, misconceptions, and practices related to epilepsy among adults in Sudan: A large‐scale cross‐sectional study Open
Objective This study explored the most prevalent misconceptions about epilepsy among Sudanese individuals, focusing on knowledge, attitude, and practices in Sudan. Methods A community‐based, cross‐sectional study was conducted in the safe …
View article: A Secure Cloud Model for Malaysian SMEs
A Secure Cloud Model for Malaysian SMEs Open
View article: Nile-Chat: Egyptian Language Models for Arabic and Latin Scripts
Nile-Chat: Egyptian Language Models for Arabic and Latin Scripts Open
We introduce Nile-Chat-4B, 3x4B-A6B, and 12B, a collection of LLMs for Egyptian dialect, uniquely designed to understand and generate texts written in both Arabic and Latin scripts. Specifically, with Nile-Chat-3x4B-A6B, we introduce a nov…
View article: Lost in the Mix: Evaluating LLM Understanding of Code-Switched Text
Lost in the Mix: Evaluating LLM Understanding of Code-Switched Text Open
Code-switching (CSW) is the act of alternating between two or more languages within a single discourse. This phenomenon is widespread in multilingual communities, and increasingly prevalent in online content, where users naturally mix lang…
View article: Beyond Random Sampling: Efficient Language Model Pretraining via Curriculum Learning
Beyond Random Sampling: Efficient Language Model Pretraining via Curriculum Learning Open
Curriculum learning has shown promise in improving training efficiency and generalization in various machine learning domains, yet its potential in pretraining language models remains underexplored, prompting our work as the first systemat…
View article: RL-Driven Security-Aware Resource Allocation for UAV-Assisted O-RAN in SAR Operations
RL-Driven Security-Aware Resource Allocation for UAV-Assisted O-RAN in SAR Operations Open
The integration of Unmanned Aerial Vehicles (UAVs) into Open Radio Access Networks (O-RAN) enhances communication in disaster management and Search and Rescue (SAR) operations by ensuring connectivity when infrastructure fails. However, SA…
View article: Electrical properties of BixSe100-x chalcogenide glass
Electrical properties of BixSe100-x chalcogenide glass Open
The electrical and structural characteristics of BixSe100-x glasses (where x=5, 10, 15, and 25 at. %) were systematically investigated. Using the traditional Quenching of melts process, the amorphous BixSe100-x materials were created. Thin…
View article: Federated Learning of Low-Rank One-Shot Image Detection Models in Edge Devices with Scalable Accuracy and Compute Complexity
Federated Learning of Low-Rank One-Shot Image Detection Models in Edge Devices with Scalable Accuracy and Compute Complexity Open
This paper introduces a novel federated learning framework termed LoRa-FL designed for training low-rank one-shot image detection models deployed on edge devices. By incorporating low-rank adaptation techniques into one-shot detection arch…
View article: Nutritional Status of Patient with Pulmonary Tuberculosis: Health Education for Health Support
Nutritional Status of Patient with Pulmonary Tuberculosis: Health Education for Health Support Open
View article: Efficient Resource Management for Secure and Low-Latency O-RAN Communication
Efficient Resource Management for Secure and Low-Latency O-RAN Communication Open
Open Radio Access Networks (O-RAN) are transforming telecommunications by shifting from centralized to distributed architectures, promoting flexibility, interoperability, and innovation through open interfaces and multi-vendor environments…
View article: Healthcare accessibility, utilization, and quality of life among internally displaced people during the Sudan war: a cross-sectional study
Healthcare accessibility, utilization, and quality of life among internally displaced people during the Sudan war: a cross-sectional study Open
Background The ongoing war in Sudan has triggered a massive displacement crisis, leaving internally displaced people (IDP) struggling to access healthcare services. This study aimed to investigate healthcare access, utilization, and the qu…
View article: LLM as a Broken Telephone: Iterative Generation Distorts Information
LLM as a Broken Telephone: Iterative Generation Distorts Information Open
As large language models are increasingly responsible for online content, concerns arise about the impact of repeatedly processing their own outputs. Inspired by the "broken telephone" effect in chained human communication, this study inve…
View article: Stability Results of Positive Weak Solution for a Class of Chemically Reacting Systems
Stability Results of Positive Weak Solution for a Class of Chemically Reacting Systems Open
This paper aims to study the existence and non-existence results of positive weak solution to the quasilinear elliptic system: \[ \begin{cases} -\Delta_p u = \lambda a(x) \left[ f(u,v) - \dfrac{1}{u^\alpha} \right], & x \in \Omega, \\ -\De…
View article: LLM as a Broken Telephone: Iterative Generation Distorts Information
LLM as a Broken Telephone: Iterative Generation Distorts Information Open
View article: Toward AI-Native 6G: Unveiling Online Optimization and Deep Reinforcement Learning for Autonomous Network Slicing
Toward AI-Native 6G: Unveiling Online Optimization and Deep Reinforcement Learning for Autonomous Network Slicing Open
View article: O-Cloud Security: A Comprehensive Survey of Threats, Mitigation Strategies, and Future Directions
O-Cloud Security: A Comprehensive Survey of Threats, Mitigation Strategies, and Future Directions Open
The Open Radio Access Network (O-RAN) represents a groundbreaking evolution in next-generation (NGN) communication systems, offering an open, flexible, and vendor-agnostic approach that disaggregates traditional network functions. Central …
View article: Nile-Chat: Egyptian Language Models for Arabic and Latin Scripts
Nile-Chat: Egyptian Language Models for Arabic and Latin Scripts Open
View article: Uniqueness of weak solution for nonlocal \((p,q)\)-Kirchhoff system
Uniqueness of weak solution for nonlocal \((p,q)\)-Kirchhoff system Open
The paper aims to investigate the existence and uniqueness of weak solution, using the Browder Theorem method, for the nonlocal \((p,q)\)-Kirchhoff system: \[\begin{cases} -K_{1}\big(\int_{\Omega}|\nabla \phi|^{p}\big)\Delta_{p}\phi+\lambd…
View article: Learn to Slice, Slice to Learn: Unveiling Online Optimization and Reinforcement Learning for Slicing AI Services
Learn to Slice, Slice to Learn: Unveiling Online Optimization and Reinforcement Learning for Slicing AI Services Open
In the face of increasing demand for zero-touch networks to automate network management and operations, two pivotal concepts have emerged: "Learn to Slice" (L2S) and "Slice to Learn" (S2L). L2S involves leveraging Artificial intelligence (…
View article: PDSR: Efficient UAV Deployment for Swift and Accurate Post-Disaster Search and Rescue
PDSR: Efficient UAV Deployment for Swift and Accurate Post-Disaster Search and Rescue Open
This paper introduces a comprehensive framework for Post-Disaster Search and Rescue (PDSR), aiming to optimize search and rescue operations leveraging Unmanned Aerial Vehicles (UAVs). The primary goal is to improve the precision and availa…
View article: Slicing for AI: An Online Learning Framework for Network Slicing Supporting AI Services
Slicing for AI: An Online Learning Framework for Network Slicing Supporting AI Services Open
The forthcoming 6G networks will embrace a new realm of AI-driven services that requires innovative network slicing strategies, namely slicing for AI, which involves the creation of customized network slices to meet Quality of service (QoS…
View article: Atlas-Chat: Adapting Large Language Models for Low-Resource Moroccan Arabic Dialect
Atlas-Chat: Adapting Large Language Models for Low-Resource Moroccan Arabic Dialect Open
We introduce Atlas-Chat, the first-ever collection of LLMs specifically developed for dialectal Arabic. Focusing on Moroccan Arabic, also known as Darija, we construct our instruction dataset by consolidating existing Darija language resou…
View article: Object Depth and Size Estimation using Stereo-vision and Integration with SLAM
Object Depth and Size Estimation using Stereo-vision and Integration with SLAM Open
Autonomous robots use simultaneous localization and mapping (SLAM) for efficient and safe navigation in various environments. LiDAR sensors are integral in these systems for object identification and localization. However, LiDAR systems th…
View article: Optimized Federated Multitask Learning in Mobile Edge Networks: A Hybrid Client Selection and Model Aggregation Approach
Optimized Federated Multitask Learning in Mobile Edge Networks: A Hybrid Client Selection and Model Aggregation Approach Open
We propose clustered federated multitask learning to address statistical challenges in non-independent and identically distributed data across clients. Our approach tackles complexities in hierarchical wireless networks by clustering clien…
View article: Multi-agent reinforcement learning for privacy-aware distributed CNN in heterogeneous IoT surveillance systems
Multi-agent reinforcement learning for privacy-aware distributed CNN in heterogeneous IoT surveillance systems Open
Although Deep Neural Networks (DNN) have become the backbone technology of several Internet of Things (IoT) applications, their execution in resource-constrained devices remains challenging. To cater for these challenges, collaborative dee…
View article: A Blockchain-Based Reliable Federated Meta-Learning for Metaverse: A Dual Game Framework
A Blockchain-Based Reliable Federated Meta-Learning for Metaverse: A Dual Game Framework Open
The metaverse, envisioned as the next digital frontier for avatar-based\nvirtual interaction, involves high-performance models. In this dynamic\nenvironment, users' tasks frequently shift, requiring fast model\npersonalization despite limi…