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Qatar Foundation Annual Research Conference Proceedings Volume 2014 Issue 1
- Conference date: 18-19 Nov 2014
- Location: Qatar National Convention Center (QNCC), Doha, Qatar
- Volume number: 2014
- Published: 18 November 2014
301 - 320 of 480 results
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Heme Oxygenase Isoform 1 Regresses Cardiomyocyte Hypertrophy Through Regressing Sodium Proton Exchanger Isoform 1 Activity
Authors: Ahmed Sobh, Nabeel Abdulrahman, Soumaya Bouchoucha and Fatima MraicheBackground: Pathological cardiac hypertrophy is a worldwide problem and an independent risk factor that predisposes the heart to failure. Enhanced activity or expression of the sodium proton exchanger isoform 1 (NHE1) has been implicated in conditions of cardiac hypertrophy. Induction of cGMP has previously been demonstrated to reduce NHE1 activity and expression, which could be through the expression of Read More
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Qatar´s Youth Is Putting On Weight: The Increase In Obesity Between 2003 And 2009
The profound economic growth in the Arabian Gulf states over the past few decades has had a great impact on the lifestyle of the Qatari population. There has been a rapid appearance of fast food restaurants and other hallmarks of western society. These influences have been accompanied by a higher energy intake and decreased levels of physical activity. The potential impact on the younger population is parti Read More
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Effect Of Diabetes On Gastric Stem Cell Lineage In Rat Models
Authors: Ali Abdullah Al Jabri and Sheriff KaramIn 2013, it was estimated that over 382 million people throughout the world suffered from diabetes. Despite the numerous treatment approaches to manage this condition, diabetic patients continue to suffer from various symptoms and complications. These include, but are not limited to, retinopathy, nephropathy, peripheral and autonomic neuropathy, gastrointestinal, genitourinary, cardiovascular, and cerebral symptom Read More
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Electronic Library Institute-seerq (elisq)
An electronic library is a computer-managed set of collections with services tailored for its user communities. The project team—a collaboration of four universities (Qatar University - QU, Virginia Tech, Pennsylvania State University, Texas A & M University), the Qatar National Library - QNL, and consultants—focused on the two project aims for Qatar: building community and building infrastructure (i.e., collections and information Read More
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Openadn: Middleware Architecture For Cloud Based Services
Authors: Mohammed Samaka, Deval Bhamare, Aiman Erbad, Subharthi Paul and Raj JainAny global enterprise, such as, Qatar National Bank, with branches in many countries is an example of an Application Service Provider (ASP) that uses multiple cloud data centers to serve their customers. Depending upon the time of the day, the number of users at different location changes and the ASPs need to rescale their operation at each data center to meet the demand at that location. ASPs are facing a great challeng Read More
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Load Follows Generation: The New Paradigm For Future Power System Control In Presence Of High Penetration Of Variable Renewable Resources
More LessIn the 130 years since the invention of the legacy electric power system concept, electrical generation has been adjusted to match electrical consumption (i.e., the "load") as it varies throughout the time of day and seasons. This "generation follows load" paradigm is a major roadblock to the large-scale incorporation of renewable energy into the national power grid since energy sources such as wind and solar provide inco Read More
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Plate: Problem-based Learning Authoring And Transformation Environment
Authors: Mohammed Samaka, Yongwu Miao, John Imagliazzo, Disi Wang, Ziad Ali, Khulood Aldus and Mohamed AllyThe project entitled Problem-based Learning Authoring and Transformation Environment (PLATE) is housed at Qatar University. It is under the auspices of the Qatar National Priority Research Program (NPRP). The PLATE project seeks to improve student learning using innovative approaches to problem-based learning (PBL) in a cost-effective, flexible, interoperable, and reusable manner. Traditional subject-based learning that Read More
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World Cybersecurity Indicator Using Computational Intelligence
Authors: Ahmad Al Shami and Simeon ColemanThe aim of this research is to investigate the utilisation of Computational Intelligence (CI) methods for constructing a World Cybersecurity Indicator (WCI) to enable consistent and transparent assessments of the cybersecu- rity capabilities of nation's through the utilisation of Synthetic Composite Indicators (SCI's) concept for ranking their readiness and progress. SCI are assessment tools usually constructed to evaluate and contra Read More
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Residential Load Management System For Future Smart Energy Environment
Authors: Shady Samir Khalil and Haitham Abu-rubElectricity consumption has increased substantially over the last decade. According to the Gulf Research Center (2013), residential sector represents the largest portion (about 50%) of electricity consumption in the GCC region, due to substantial growth of electrical residential appliances. Therefore, we present a novel online smart residential load management system that is used to monitor and control power Read More
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Using Social Computing For Knowledge Translation: Exploiting Social Network And Semantic Content Analyses To Facilitate Online Knowledge Translation Within An Online Social Community Of Medical Practitioners
Authors: Samuel Stewart and Syed Sibte Raza AbidiSocial computing has led to new approaches for Knowledge Translation (KT) by overcoming the temporal and geographical barriers experienced in face-to-face KT settings. Social computing based discussion forums allow the formulation of communities of practice whereby a group of professionals disseminate their knowledge and experiences through online discussions on specialized topics. In order to successfully buil Read More
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Innovative Data Collection And Dissemination In V2x Networks
Authors: Wassim Drira and Fethi FilaliThe emergence of V2X (Vehicle-to-Vehicle and Vehicle-to-Infrastructure) networks lends a significant support for the Intelligent Transportation Systems to improve many applications for different purposes such as safety, traffic efficiency and added-value services. Typically, such environment is distinguished by its mobility and topology dynamics over space and time. Moreover, these applications need to collect an Read More
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Maximum Power Transfer Of Pv-fed Inverter-based Distributed Generation With Improved Voltage Regulation Using Flywheel Energy Storage Systems
Authors: Hisham El Deeb, Ahmed Massoud, Ahmed Abbas, Shehab Ahmed, Ayman Abdel-khalik and Mohamed DaoudOne of the main issues accompanied with the high penetration of PV distributed generation (DG) systems in low voltage (LV) networks is the overvoltage challenge. The amount of injected power to the grid is directly related to the voltage at the point of common coupling (PCC), which necessitates limiting the amount of injected power to the grid to conservative values compared to the available capacity from the PV pa Read More
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Enhancing Rpl Resilience Against Packet Dropping Insider Attacks
Authors: Karel Heurtefeux, Ochirkhand Erdene-ochir, Nasreen Mohsin and Hamid MenouarTo gather and transmit data, low cost wireless devices are often deployed in open, unattended and possibly hostile environment making them particularly vulnerable to physical attacks. Resilience is needed to mitigate such inherent vulnerabilities and risks related to security and reliability. In this work, Routing Protocol for Low-Power and Lossy Networks (RPL) is studied in presence of packet dropping malicious compromised Read More
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Transformation Of Online Social Networks And Communication Tools: A Technological Point Of View
More LessOnline social networks and online real time communication tools gained large popularity in the last years. In the Arab spring they emerged as one of the main tools to exchange ideas and to organize activities. Many users were unaware that their communication and their interaction patterns are traced. After the Arab spring and after the information demystified by Edward Snowden, users are becoming security aware and loo Read More
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Data Science at QCRI
Authors: Divy Agrawal, Laure Berti, Hossam Hammady, Prasenjit Mitra, Mourad Ouzzani, Paolo Papotti, Jorge Quiane Ruiz, Nan Tang, Yin Ye, Si Yin and Mohamed Zaki"The Data Analytics group at QCRI has embarked on an ambitious endeavor to become a premiere world-class research group in Data Science by tackling diverse research topics related to information extraction, data quality, data profiling, data integration, and data mining. We will present our ongoing projects to overcome different challenges encountered in Big Data Curation, Big Data Fusion, and Big Data Analytics. (1) Big Dat Read More
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Up & Away: A Visually-controlled Easy-to-deploy Uav Cyber Physical Testbed
Authors: Ahmed Saeed, Azin Neishaboori, Khaled Harras and Amr MohamedCyber-Physical Systems (CPS) rely on advancements in fields such as robotics, mobile computing, sensor networks, controls, and communications, to advance complex real-world applications including aerospace, transportation, factory automation, and intelligent systems. The multidisciplinary nature of effective CPS research, diverts specialized researchers' efforts towards building expensive and complex testbeds for realistic e Read More
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قياس فاعلية بناء وتطوير برنامج محوسب لإدارة وتحليل الاستشهادات المرجعية العربية
Authors: Saleh Alzeheimi and Akram Zekiإن من المؤشرات العلمية التي خرجت بها بعض الدراسات حول أسباب ضعف الانتاج الفكري العربي وضعف المحتوى الرقمي في قواعد البيانات العالمية هو غياب البرامج المحوسبة التي تعنى بتحليل المراجع والاستشهادات المرجعية (العربية) الورادة في هذا الانتاج، وانعدام البرامج الآلية التي تقدم مؤشرات احصائية (ببليومترية) تبرز التوجه البحثي العربي، وتعين صناع القرار في المؤسسات البحثية والأكاديمية والباحثين أيضا في توجيه مسار البحث العلمي العربي ومعرفة نقاط القوة والضعف في التخصصات العربية المبحوث فيها، Read More
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Energy Storage As An Enabling Technology For The Smart Grid
Authors: Omar Ellabban and Haitham Abu-rubIn today's world, the need for more energy seems to be ever increasing. The high cost and limited sources of fossil fuels, in addition to the need to reduce greenhouse gasses, have made renewable energy sources (RES) attractive in today's world economy. However, the fluctuating and intermittent nature of these RES causes variations of power flow that can significantly affect the stability and operation of the electrical Read More
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A Novel Solution For Addressing Network Firewall Issues In Remote Laboratory Development
Authors: Ning Wang, Xuemin Chen, Michael Ho, Hamid Parsaei and Gangbing SongThe increased use of remote laboratories for online education has made network security issues ever more critical. To defend against numerous new types of potential attacks, the complexity of network firewalls has been significantly increased. Consequently, the network firewall will inevitably limit the real time remote experimental data transmission. To solve the issue of traversing network firewalls, we designed and Read More
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Power System Stabilizer Design Based On Honey-bee Mating Optimization Algorithm
Authors: Abolfazl Halvaei Niasar, Dariush Zamani and Hassan MoghbeliPower system stability is one of the main factors in performance of electrical system. A control system must retain frequency and voltage size under any distortion such as sudden increase in load, to leave a generator from circuit or cut off a transmission line in a constant level. In this paper, Honey-Bee Mating Optimization (HBMO) algorithm has been used to design power system stabilizer. It is based on the mating bet Read More
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