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Now showing items 1275-1294 of 53129
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A preemptive bound for the Resource Constrained Project Scheduling Problem
( Springer US , 2014 , Article)The Resource Constrained Project Scheduling Problem is one of the most intensively investigated scheduling problems. It requires scheduling a set of interrelated activities, while considering precedence relationships, and ... -
A preliminary checklist of the ants (Hymenoptera: Formicidae) of Qatar
( Qatar University Press , 2020 , Poster)The State of Qatar is a small peninsula located in the northeastern part of the Arabian Peninsula. It is classified as a subtropical desert with a very extreme harsh climatic conditions in summer and mild winter. Information ... -
A Privacy Scheme for Digital Images Based on Quantum Particles
( Springer , 2019 , Article)Quantum processing inspired every field of science and technology. Quantum digital content privacy schemes usually employs photons to communicate a key. In this article, we are utilizing different states which correspond ... -
A privacy-preserving traffic monitoring scheme via vehicular crowdsourcing
( MDPI AG , 2019 , Article)The explosive number of vehicles has given rise to a series of traffic problems, such as traffic congestion, road safety, and fuel waste. Collecting vehicles’ speed information is an effective way to monitor the traffic ... -
A Probabilistic Approach for Maximizing Travel Journey WiFi Coverage Using Mobile Crowdsourced Services
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)A public transport journey planning service often yields multiple alternative journeys plans to get from a source to a destination. In addition to journey preferences, such as connecting time and walking distance, passengers ... -
A probabilistic multi-tenant model for virtual machine mapping in cloud systems
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)A novel probabilistic multi-tenant model is developed to characterize the service performance of cloud systems. The model considers essential cloud-system characteristics including virtualization, multi-tenancy and ... -
A Probabilistic Source Location Privacy Protection Scheme in Wireless Sensor Networks
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)With the recent developments of wireless sensor networks (WSNs), computing and communication have experienced huge advancement. Meanwhile, security has not received the same attention to go along with such developments. ... -
A problem-oriented approach to represent and manage knowledge in PBL
( Asia-Pacific Society for Computers in Education , 2015 , Conference Paper)In traditional subject-based learning knowledge is well-structured and prepared in advance by the teachers before transferring in the form of a lecture presentation. However, the knowledge learned in problem-based learning ... -
A process design approach to manage the uncertainty of industrial flaring during abnormal operations
( Elsevier Ltd , 2018 , Article)Flare management challenges are related to the flaring uncertainty during abnormal situations. In this work, a multi-objective optimization framework is upgraded with multi-period optimization and Monte Carlo simulation ... -
A process for CO2 capture and brine salinity reduction through reaction with potassium hydroxide: A multi-stage evaluation
( Elsevier B.V. , 2022 , Article)Solvay and modified Solvay processes are facing a major challenge in reducing brine salinity to a level suitable for agriculture and industry. This challenge arises as a result of competing reactions and mixing limits ... -
A Process Model for Customisation of Software in Multi-tenant SaaS Model
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)This paper outlines a generic process framework for customisation of software in cloud computing. The flexibility for client-specific customisation of the software offered by software-as-a-service (SaaS) is limited. The ... -
A process-integration framework for Abnormal Situation Management (ASM): A systematic approach with application to Qatar's industrial needs and opportunities
( AIChE , 2013 , Conference Paper)Qatar is a leading producer of a variety of gas products including LNG, GTL and a wider spectrum of petrochemical intermediates and specialty chemicals. The country is blessed with the third largest natural gas reserve ... -
A Profile of Journalists in Qatar: Traits, Attitudes and Values
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The Qatari media system is emerging rapidly to cater for the rapid socio-economic change and sustainable development the country is witnessing since its independence in December 18th, 1997. Since the accession of H.H Sheikh ... -
A profile of journalists in Qatar: traits, attitudes and values
( Taylor and Francis , 2016 , Article)This study draws a portrait of media practitioners in Qatar in terms of educational background, working conditions, and professional orientations. The main research tool of this study is the survey method. An 88-item ... -
A program evaluation reporting student perceptions of early clinical exposure to primary care at a new medical college in Qatar
( BioMed Central Ltd , 2021 , Article)Background: Though common practice in Europe, few studies have described the efficacy of early clinical exposure (ECE) in the Middle East. The barriers to clinical learning experienced by these novice medical students have ... -
A program for obese youth at-risk for diabetes in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Article)Background: Obesity is an international public health problem well documented in Qatar among children and adolescents and contributes to diabetes, a disease already highly prevalent in the country. We describe an intervention ... -
A Promising Electrochemical Sensor Platform for the Detection of Dopamine Using CuO-NiO/rGO Composite
( John Wiley and Sons Inc , 2023 , Article)Dopamine plays a significant role in the proper functioning of the central nervous system. Hence, the ability to sense levels of dopamine is pivotal in diagnosis and treatment procedures. For sensing dopamine, a mixed metal ... -
A promising non-orthogonal multiple access based networking architecture: Motivation, conception, and evolution
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Since it can offer higher spectral efficiency by granting the served data to share the same spectrum resource synchronously, NOMA is considered as a bright multiple access technique for future wireless networks. Accommodating ... -
A proportional power sharing method through a local control for a low-voltage islanded microgrid
( Elsevier Ltd , 2022 , Article)In this paper, the proportional power sharing is focused through proposing a modified reverse droop control (RDC) scheme in a low-voltage (LV) islanded microgrid. The power is shared proportionally among parallel ... -
A prospective concept on the fabrication of blend pes/peg/dmf/nmp mixed matrix membranes with functionalised carbon nanotubes for co2/n2 separation
( MDPI AG , 2021 , Article Review)With an ever-increasing global population, the combustion of fossil fuels has risen immensely to meet the demand for electricity, resulting in significant increase in carbon dioxide (CO2 ) emissions. In recent years, CO2 ...