12,614 research outputs found

    Web Service Testing and Usability for Mobile Learning

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    Based on the summary of recent renowned publications, Mobile Learning (ML) has become an emerging technology, as well as a new technique that can enhance the quality of learning. Due to the increasing importance of ML, the investigation of such impacts on the e-Science community is amongst the hot topics, which also relate to part of these research areas: Grid Infrastructure, Wireless Communication, Virtual Research Organization and Semantic Web. The above examples contribute to the demonstrations of how Mobile Learning can be applied into e-Science applications, including usability. However, there are few papers addressing testing and quality engineering issues – the core component for software engineering. Therefore, the major purpose of this paper is to present how Web Service Testing for Mobile Learning can be carried out, in addition to re-investigating the influences of the usability issue with both quantitative and qualitative research methods. Out of many mobile technologies available, the Pocket PC and Tablet PC have been chosen as the equipment; and the OMII Web Service, the 64-bit .NET e-portal and the GPS-PDA are the software tools to be used for Web Service testing

    TechNews digests: Jan - Nov 2005

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    TechNews is a technology, news and analysis service aimed at anyone in the education sector keen to stay informed about technology developments, trends and issues. TechNews focuses on emerging technologies and other technology news. TechNews service : digests september 2004 till May 2010 Analysis pieces and News combined publish every 2 to 3 month

    Commercial Free and Open Source Software: Knowledge Production, Hybrid Appropriability, and Patents

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    Open source ERP for SMEs.

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    For the last decade or so, the biggest category of the IT investment has unarguably been Enterprise Resource Planning (ERP). Most of the bigger corporations in the developed countries have implemented ERP systems with an aim to achieving competitive edge in their respective business areas. Now that the top end of the ERP market has been saturated, the main interest has moved to non-commercial sectors such as universities and small and medium-sized enterprises (SMEs). These organisations have not been able benefit directly from the ERP revolution because an ERP implementation requires huge resources and entails high risks. Over the same period, the concept of Open Source Software (OSS) has been enthusiastically adopted by the software engineering community. OSS has excelled in many systems software domains, for example, operating systems with Linux and web servers with Apache. Having observed these successes, the software industry has been showing interest in application domains such as enterprise information systems, more specifically ERP systems, as the next OSS candidates. In this paper, we outline the challenges as well as opportunities of OSS ERP development

    Automation of the Continuous Integration (CI) - Continuous Delivery/Deployment (CD) Software Development

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    Continuous Integration (CI) is a practice in software development where developers periodically merge code changes in a central shared repository, after which automatic versions and tests are executed. CI entails an automation component (the target of this project) and a cultural one, as developers have to learn to integrate code periodically. The main goal of CI is to reduce the time to feedback over the software integration process, allowing to locate and fix bugs more easily and quickly, thus enhancing it quality while reducing the time to validate and publish new soIn traditional software development, where teams of developers worked on the same project in isolation, often led to problems integrating the resulting code. Due to this isolation, the project was not deliverable until the integration of all its parts, which was tedious and generated errors. The Continuous Integration (CI ) emerged as a practice to solve the problems of traditional methodology, with the aim of improving the quality of the code. This thesis sets out what is it and how Continuous Integration is achieved, the principles that makes it as effective as possible and the processes that follow as a consequence, to thus introduce the context of its objective: the creation of a system that automates the start-up and set-up of an environment to be able to apply the methodology of continuous integration

    A Minimum-Cost Flow Model for Workload Optimization on Cloud Infrastructure

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    Recent technology advancements in the areas of compute, storage and networking, along with the increased demand for organizations to cut costs while remaining responsive to increasing service demands have led to the growth in the adoption of cloud computing services. Cloud services provide the promise of improved agility, resiliency, scalability and a lowered Total Cost of Ownership (TCO). This research introduces a framework for minimizing cost and maximizing resource utilization by using an Integer Linear Programming (ILP) approach to optimize the assignment of workloads to servers on Amazon Web Services (AWS) cloud infrastructure. The model is based on the classical minimum-cost flow model, known as the assignment model.Comment: 2017 IEEE 10th International Conference on Cloud Computin
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