420,461 research outputs found
The 64-bit .NET e-portal applications for e-Learning and e-Science
No full textThis is one of the first comprehensive 64-bit .NET research to be completed in a British University. The objective is to investigate (1) the techniques to develop 64-bit applications; and (2) how 64-bit computing can be used for e-Learning and e-Science communities. This paper is focused on an emerging technology for e-Learning and e-Science communities -- a 64-bit .NET e-portal application, and its functionality, development and technical implementation are described. Currently, additional troubleshooting is required to make .NET Framework 1.1 working in stable ways on 64-bit Windows operating systems. After stabilizing .NET environment, the next step is the application development, which is a dynamic repository with functions such as registration, download, login-logout, product submissions, database storage and statistical reports. The technology is based on Visual Studio .NET 2003, .NET 1.1 Framework with Service Pack 1, SQL Server 2000 with Service Pack 4 and IIS Server 6.0 on the Windows Server 2003 Enterprise x64 platform with Service Pack 1. The 64-bit .NET e-portal integrates further with Java Web Services, and a demonstration described in this paper can show how different types of services can work in harmony. Furthermore, the interdisciplinary area between e-Learning and e-Science has been investigated and in the process of further integrations. As an example for such integration, the 64-bit .NET e-portal is also an illustration for (1) the methods of technical implementations and (2) cost-effectiveness; and these two issues are also among the current research interests in e-Learning. Finally, the new insights identified by this paper have also achieved the two objectives: (1) learning about emerging technology and (2) understanding how Web Services can complete jobs
Measuring and analyzing German and Spanish customer satisfaction of using the iPhone 4S Mobile Cloud service
Get PDFThis paper presents the customer satisfaction analysis for measuring popularity in the Mobile Cloud, which is an emerging area in the Cloud and Big Data Computing. Organizational Sustainability Modeling (OSM) is the proposed method used in this research. The twelve-month of German and Spanish consumer data are used for the analysis to investigate the return and risk status associated with the ratings of customer satisfaction in the iPhone 4S Mobile Cloud services. Results show that there is a decline in the satisfaction ratings in Germany and Spain due to economic downturn and competitions in the market, which support our hypothesis. Key outputs have been explained and they confirm that all analysis and interpretations fulfill the criteria for OSM. The use of statistical and visualization method proposed by OSM can expose unexploited data and allows the stakeholders to understand the status of return and risk of their Cloud strategies easier than the use of other data analysis
Time Resolved Two Dimensional X-Ray Densitometry of a Two Phase Flow Downstream of a Ventilated Cavity
Get PDFTo measure the void fraction distribution in gas-liquid flows, a two-dimensional x-ray densitometry system was developed. This system is capable of acquiring a two-dimensional projection with a 225 cm2 area of measurement through 21 cm of water. The images can be acquired at rates on the order of 1 kHz. Common sources of error in x-ray imaging, such as x-ray scatter, image distortion, veiling glare, and beam hardening were considered, and mitigated. The measured average void fraction was compared success fully to that of a phantom target and found to be within 1%. To evaluate the performance of the new system, the flow in and downstream of a ventilated nominally two-dimensional partial cavity was investigated and compared to measurements from dual tip fiber optical probes and high speed video. The measurements were found to have satisfactory agreement for void fractions above 5% of the selected void fraction measurement range.Office of Naval Research under grant N00014-10-1-097
Brain Segmentation ? A Case study of Biomedical Cloud Computing for Education and Research
No full textMedical imaging is widely adopted in Hospitals and medical institutes, and new ways to improve existing medical imaging services are regularly exploited. This paper describes the adoption of Cloud Computing is useful for medical education and research, and describes the methodology, results and lesson learned. A working Bioinformatics Cloud platform can demonstrate computation and visualisation of brain imaging. The aim is to study segmentation of brains, which divides the brain into ten major regions. The Cloud platform has these two functions: (i) it can highlight each region for ten different segments; and (ii) it can adjust intensity of segmentation to allow basic study of brain medicine. Two types of benefits are reported as follows. Firstly, all the medical student participants are reported to have 20% improvement in their learning satisfaction. Secondly, 100% of volunteer participants are reported to have positive learning experience
Use of Diagnosis-Based Risk Adjustment Models to Predict Individual Health Care Expenditure under the National Health Insurance System in Taiwan
No full textLimitations of Forehead Infrared Body Temperature Detection for Fever Screening for Severe Acute Respiratory Syndrome
No full textLetter from Ray E. Carr, Associated Civic Clubs of Southern Utah to Carl Hayden
No full textLetter from Ray E. Carr to Carl Hayden with an invitation to celebrate the crossing of L.D.S. pioneers at Lee's Ferry
Letter from Paul M. Roca on behalf of Carl Hayden to Ray E. Carr, Associated Civic Clubs of Southern Utah
No full textLetter from Paul M. Roca to Ray E. Carr on behalf of Carl Hayden politely declining his invitation
Ray Chang
No full textDr. Ray Chang spent six years in the New Taipei City Fire Department in Taiwan as a Fire Battalion Captain. He was in charge of developing emergency operation plans for a 13-km tunnel and organizing an urban search and rescue team. He also contributed to the 2005 Taiwan National Firefighter’s Handbook. Dr. Chang earned his Ph.D. from University of Delaware in Disaster Science and Management and his master’s degree from Arizona State University in Fire Service Administration. His research interests are in disaster response and fire service administration-related topics. His goal is to develop the theoretical foundation and integrate his working experience in both Taiwanese and American fire departments for the Incident Command System (ICS) in order to strengthen its practical applications. By combining his educational training with his practical background, Dr. Chang hopes to bridge the gap between academics and practitioners, and believes his Asian heritage and cross-cultural training will benefit disaster management systems in the United States and around the world.https://commons.erau.edu/ntas-bios/1154/thumbnail.jp
New insights on accretion in supergiant fast X-ray transients from XMM-Newton and INTEGRAL observations of IGR J17544-2619
No full textXMM–Newton observations of the supergiant fast X-ray transient IGR J17544?2619 are reported and placed in the context of an analysis of archival INTEGRAL/IBIS data that provide a refined estimate of the orbital period at 4.9272?±?0.0004?d. A complete outburst history across the INTEGRAL mission is reported. Although the new XMM–Newton observations (each lasting ?15 ks) targeted the peak flux in the phase-folded hard X-ray light curve of IGR J17544?2619, no bright outbursts were observed, the source spending the majority of the exposure at intermediate luminosities of the order of several 1033?erg?s?1 (0.5–10 keV) and displaying only low level flickering activity. For the final portion of the exposure, the luminosity of IGR J17544?2619 dropped to ?4?×?1032?erg?s?1 (0.5–10 keV), comparable with the lowest luminosities ever detected from this source, despite the observations being taken near to periastron. We consider the possible orbital geometry of IGR J17544?2619 and the implications for the nature of the mass transfer and accretion mechanisms for both IGR J17544?2619 and the supergiant fast X-ray transients (SFXTs) population. We conclude that accretion under the ‘quasi-spherical accretion’ model provides a good description of the behaviour of IGR J17544?2619 and suggests an additional mechanism for generating outbursts based upon the mass accumulation rate in the hot shell (atmosphere) that forms around the neutron star under the quasi-spherical formulation. Hence, we hope to aid in explaining the varied outburst behaviours observed across the SFXT population with a consistent underlying physical model
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