Explanipedia

A bias-reduced estimator for generalized Poisson regression with application to carbon dioxide emission in Canada Open

Fatimah M. Alghamdi, Ahmed M. Gemeay, Gamal A. Abd-Elmougod, Ehab M. Almetwally, M. A. El-Qurashi , et al. · 2025

The generalized Poisson regression model (GPRM) provides a flexible framework for modeling count data, especially those exhibiting over- or underdispersion. Although the generalized Poisson maximum likelihood estimator is considered the st…

Development of the generalized ridge estimator for the Poisson-Inverse Gaussian regression model with multicollinearity Open

Fatimah A. Almulhim, Ali Hammad, M. E. Bakr, Oluwafemi Samson Balogun, Alexis Habineza , et al. · 2025

New Modified Liu Estimators to Handle the Multicollinearity in the Beta Regression Model: Simulation and Applications Open

Ali Hammad, E. H. Hafez, Usman Shahzad, Elif Yıldırım, Ehab M. Almetwally , et al. · 2025

The beta regression model (BRM) is widely used for analyzing bounded response variables, such as proportions, percentages. However, when multicollinearity exists among explanatory variables, the conventional maximum likelihood estimator (M…

New two parameter hybrid estimator for zero inflated negative binomial regression models Open

Fatimah A. Almulhim, Michael Nagy, Ali Hammad, Ahmed Hamdi Mansi, Getachew Tekle Mekiso , et al. · 2025

The zero-inflated negative binomial regression (ZINBR) model is used for modeling count data that exhibit both overdispersion and zero-inflated counts. However, a persistent challenge in the efficient estimation of parameters within ZINBR …

Neural oscillations and pain modulation following invasive procedures: A review of EEG based insights Open

Ali Hammad, Ahmed Abdel Rahman Hashem, Mohamed Mokhtar Nagy, Mohamed Mohamed Elashiry · 2025

Pragmatics in Iraqi University Communications and Official Announcements Open

Ali Hammad · 2025

This research aims to study the official discourse of Iraqi universities from a pragmatic perspective, represented by its four theories: speech acts, deixis, conversational implicature, and presupposition, and the impact these theories hav…

A novel robust estimator for addressing multicollinearity and outliers in Beta regression: simulation and application Open

Ali Hammad, Ibrahim Elbatal, Ehab M. Almetwally, M. M. Abd El‐Raouf, M. A. El-Qurashi , et al. · 2025

Neural oscillations and pain modulation following invasive procedures: A review of EEG based insights Open

Ali Hammad, Ahmed Abdel Rahman Hashem, Mohamed Mokhtar Nagy, Mohamed Mohamed Elashiry · 2025

Modified Two-Parameter Liu Estimator for Addressing Multicollinearity in the Poisson Regression Model Open

Mahmoud M. Abdelwahab, Mohamed R. Abonazel, Ali Hammad, Amera M. El-Masry · 2024

This study introduces a new two-parameter Liu estimator (PMTPLE) for addressing the multicollinearity problem in the Poisson regression model (PRM). The estimation of the PRM is traditionally accomplished through the Poisson maximum likeli…

GMO/GMF on Social Media in China: Jagged Landscape of Information Seeking and Sharing Behavior through a Valence View Open

Rongting Zhou, Dong Wang, Ahmad Nabeel Siddiquei, Muhammad Anwar, Ali Hammad , et al. · 2019

The study examines the critical factors affecting Chinese social media (SM) users’ intentions and behavior to seek and share information on genetically modified organisms/ genetically modified food (GMO/GMF). The proposed framework was con…

Virtualisation of optical networks utilising squeezing protection: the exact formulation Open

K. D. R. Assis, Leonardo A. J. Mesquita, Raul C. Almeida, Helio Waldman, Ali Hammad , et al. · 2019

Elastic optical network (EON) is a new technology used for virtualisation of optical networks. In this Letter, a new linear formulation with protection is proposed for the design of EON networks with several virtual optical networks (VONs)…

Ascendants That Influence the Adoption of E-government Services among Citizen of Pakistan Open

Ali Hammad, Intikhab Ahmad, Syed Muhammad Sikander, Md Amjad Hossain Reyad, Syed Mazahir Kazmi · 2019

In this research study, the author seeks to discover the predecessors of e-government services adoption among the citizen of Pakistan. To study the e-government adoption, researcher integrates extended TAM and theory of planned behaviour. …

SLA Formulation for Squeezed Protection in Elastic Optical Networks Considering the Modulation Format Open

K. D. R. Assis, Raul C. Almeida, Helio Waldman, Alex Ferreira dos Santos, Marcelo Sampaio de Alencar , et al. · 2019

In spectrum-sliced elastic optical path networks (SLICE), the lightpath bandwidth is variable, and the virtual topology overlay on a physical topology shall be designed to optimize the spectrum utilization. Under static traffic, SLICE netw…

Impact of Internal Cognitive Factors on Social Entrepreneurial Intention Open

Syed Mazahir Kazmi, Ali Hammad, Arslan Ahmed, Salman Zulfiqar · 2019

This aim of the study is to recognize the social entrepreneurial intention among youth who are the business undergraduate, graduate and professional students in Pakistan and China using the theory of planned behavior. 355 respondents from …

Knowledge mapping of GMO/GMF research in social sphere Open

Wang Dong, Muhammad Anwar, Muhammad Nawaz, Rongting Zhou, Fahad Asmi , et al. · 2019

The document examined the intellectual development, evolution, and progress in the field of “Genetically Modified Food” (GMF) and “Genetically Modified Organisms” (GMO) by adopting the approach of bibliometric analysis. The total of 1,045 …

Bike-Sharing and Public Acceptance in Bangladesh: An Empirical View of Religiosity as an Obstacle for Women’s Intention toward Bike-Sharing Open

Md Amjad Hossain Reyad, Leaksmy Chhay, Rathny Suy, Ali Hammad, Mohammed Mahin Uddin , et al. · 2019

This study aims to assess the impact of religiosity on female citizens based on the Theory of Planned Behavior (TPB) that finds the factors influencing the behavioral intention of them toward bike-sharing in Comilla, a city corporation in …

Location-Aware Energy Efficient Virtual Network Embedding in Software-Defined Optical Data Center Networks Open

Yue Zong, Yanni Ou, Ali Hammad, Koteswararao Kondepu, Reza Nejabati , et al. · 2018

To overcome the Internet ossification, network virtualization has been proposed as a promising method because of its advantages (e.g., on-demand and efficient resource allocation). Virtual network embedding (VNE) is one of the main challen…

Determination of Residues Levels of Seven Pesticides in Tomatoes Samples Taken from Three Markets in Khartoum State, Sudan Open

Azhari Omer Abdelbagi, ABD EL-AZIZ E. ABD EL-AZIZ, S Ishag, Asma Ahmed, Mark Laing , et al. · 2017

A total of 9 fresh tomato samples were collected from domestic markets in Khartoum State, Sudan and analyzed for the presence of seven pesticide residues.Sample collection and preparation were carried out using standard procedures.The conc…

Network Virtualization Over Elastic Optical Networks With Different Protection Schemes Open

K. D. R. Assis, Shuai Peng, Raul C. Almeida, Helio Waldman, Ali Hammad , et al. · 2016

With network virtualization, the physical infrastructure can be partitioned into multiple parallel virtual networks for sharing purpose. However, different transport technologies or Quality of Service (QoS) levels may impact in both the re…

Transport Network Orchestration For End-To-End Multi-Layer Provisioning Across Heterogeneous Sdn/Openflow And Gmpls/Pce Control Domains Open

Raül Muñoz, Ricard Vilalta, Ramon Casellas, Ricardo Martínez, Frederic Francois , et al. · 2015

A multidomain optical transport network composed of heterogeneous optical transport technologies (e.g., flexi/fixed-grid optical circuit switching and optical packet switching) and control plane technologies (e.g., centralized OpenFlow or …

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