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2016 IST-Africa Week Conference最新文献

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Handoff delay reduction model for heterogeneous wireless networks 异构无线网络切换时延降低模型
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530593
Topside E. Mathonsi, Okuthe P. Kogeda
The advancement of various wireless portable devices and wireless networks technologies increases the need for network services and applications, i.e., instant messaging, World Wide Web (WWW), e-Mail anywhere anytime. As a result, over the past years, we have seen an increasing number of users with the need and desire to be connected and reachable anywhere at any time. This is made possible by the existents of intersystem handoff/handover process between Heterogeneous Wireless Networks (HWNs). During the intersystem handoff process, certain applications and services are interrupted and ensuring efficiency of this process is challenging. In this paper, an Enhanced Handoff (EH) algorithm is designed by integrating enhanced fast roaming algorithm and Protocol for Carrying Authentication for Network Access (PANA) in order to lessen handoff delay in HWNs. As a result, the number of packet loss and handoff delay is minimized.
各种无线便携式设备和无线网络技术的进步增加了对网络服务和应用的需求,即即时消息、万维网(WWW)、随时随地的电子邮件。因此,在过去的几年里,我们看到越来越多的用户需要随时随地保持联系。这是由异构无线网络(hwn)之间存在的系统间切换/切换过程实现的。在系统间切换过程中,某些应用程序和服务会中断,确保该过程的效率具有挑战性。为了减少HWNs中的切换延迟,本文将增强型快速漫游算法与PANA协议相结合,设计了一种增强切换算法。因此,丢包的数量和切换延迟是最小的。
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引用次数: 15
Using a productive distance PhD program to empower women in academia 利用富有成效的远程博士课程赋予学术界女性权力
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530698
S. Muñoz-Hernández, I. Osman
The PhD degree is a mandatory requirement for promotion in academia. Many African countries have problems to offer serious PhD programs because they suffer a severe brain drain which led to a scarcity of qualified PhD supervisors. It is difficult for lecturers (holding Master degrees) at local universities, to find PhD programs and only some lucky ones travel abroad to be enrolled in foreign PhD programs. For women it is more difficult due to economic, social and family commitments. This paper describes a PhD program (particularly in Computer Science and Information Technology) of Sudan University of Science and Technology that is Internet mediated. It provides PhD supervisors from renowned universities all over the world to empower women in higher education. The program is now in its sixth year and nine women (and 2 men) have already graduated with PhDs in computer science and information technology.
博士学位是在学术界晋升的必要条件。许多非洲国家在提供严肃的博士课程方面存在问题,因为他们遭受严重的人才流失,导致合格的博士导师稀缺。当地大学的讲师(拥有硕士学位)很难找到博士课程,只有一些幸运的人才能出国攻读外国博士课程。对于妇女来说,由于经济、社会和家庭责任,这更加困难。本文描述了苏丹科技大学以互联网为媒介的博士课程(特别是计算机科学与信息技术)。它提供来自世界各地著名大学的博士导师,以赋予女性在高等教育中的权力。这个项目现在已经是第六年了,已经有9名女性(2名男性)获得了计算机科学和信息技术的博士学位。
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引用次数: 2
Critical success factors for eLearning adoption in the public health care sector in South Africa 南非公共卫生保健部门采用电子学习的关键成功因素
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530600
N. Gcora, L. Cilliers
Electronic learning (e-learning) in the health care sector is viewed as the delivery of Continued Professional Development (CPD) material via electronic media such videoconferencing, DVDs, Smartphones and other media. E-learning is recognized as one of the most important supportive practice for learning at work. Thus, an e-learning program allows the busy health care workers to access training and learning opportunities while they are also working. In South Africa, e-learning is growing at a rate of 36.2% annually, but the acceptance of this new technology is still very low. The aim of this study is to investigate the critical success factors that will help address the barriers of e-learning adoption in the public health care sector of South Africa. The study made use of a thorough literature review of peer reviewed papers in order to identify the barriers of e-learning in the South African public health sector. The Unified Theory of Acceptance and Use of Technology model was then used to develop the critical success factors that can be used to address the identified barriers. Critical success factors identified can be divided into management issues such as providing adequate finance and infrastructure as well as organisational factors including a change management programme, policies to guide e-learning programmes and training of health care workers. The study therefore recommends that the critical success factors be used to increase the adoption of e-learning in the public health care sector in order to improve service delivery.
卫生保健部门的电子学习(e-learning)被视为通过视频会议、dvd、智能手机和其他媒体等电子媒体提供持续专业发展(CPD)材料。电子学习被认为是工作学习最重要的辅助实践之一。因此,电子学习计划使忙碌的卫生保健工作者在工作的同时也能获得培训和学习的机会。在南非,电子学习以每年36.2%的速度增长,但这种新技术的接受程度仍然很低。本研究的目的是调查有助于解决南非公共卫生保健部门采用电子学习的障碍的关键成功因素。该研究利用了对同行评议论文的全面文献审查,以确定南非公共卫生部门电子学习的障碍。然后使用技术接受和使用统一理论模型来开发关键的成功因素,这些因素可用于解决已确定的障碍。确定的关键成功因素可分为管理问题,如提供充足的资金和基础设施,以及组织因素,包括变革管理方案、指导电子学习方案的政策和卫生保健工作者的培训。因此,该研究建议利用关键的成功因素,在公共保健部门更多地采用电子学习,以改善服务的提供。
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引用次数: 4
Sustainability of ICT4D projects: Case study of mobile cinemas in rural South Africa ict - 4d项目的可持续性:南非农村移动电影院的案例研究
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530640
H. Manara, H. Gelderblom
This paper investigates if the provision of mobile technologies to micro-entrepreneurs (MEs) can lead to the development of business models that support the sustainability of these businesses. A case study was undertaken focusing on 14 MEs participating in the Mosaic2B project - a European research project aimed at developing a framework that use cloud-based applications and low-cost internet to provide entertainment media to disadvantaged communities. The MEs from the Nkangala district in South Africa were provided with technology to download and screen movies in their communities to raise an income. Mixed methods were used to collect data over six months. The data was analysed to identify business models implemented and to determine how sustainable these are. Positive factors and obstacles were identified that affected the sustainability of the business models.
本文调查了向微型企业家(MEs)提供移动技术是否可以导致支持这些企业可持续性的商业模式的发展。对参与Mosaic2B项目的14个中小企业进行了案例研究。Mosaic2B项目是一个欧洲研究项目,旨在开发一个使用基于云的应用程序和低成本互联网向弱势社区提供娱乐媒体的框架。南非Nkangala地区的中小企业获得了在社区下载和放映电影的技术,以提高收入。使用混合方法收集6个月以上的数据。对数据进行分析,以确定所实施的商业模式,并确定这些模式的可持续性。确定了影响商业模式可持续性的积极因素和障碍。
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引用次数: 1
Using Mobile Moodle to enhance Moodle LMS accessibility and usage at the University of Dar es Salaam 在达累斯萨拉姆大学使用移动Moodle增强Moodle LMS的可访问性和使用情况
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530649
J. Mtebe, Aron Kondoro
Over the last decade, there has been a remarkable increase in the adoption and use of learning management systems (LMS) in sub-Saharan Africa in a bid to improve the quality of on-campus delivery as well as increasing access to education through blended and distance learning. Despite the increased adoption of LMS in the region, their potential has not been fully exploited as relatively few users tend to use them, thereby not justifying the high infrastructure investment costs. The continued penetration and adoption of mobile phones amongst users in the region presents an opportunity to find ways of making LMS accessible to users via mobile phones. However, there are relatively few attempts to enhance accessibility and usage of LMS into users' mobile phones especially in sub-Saharan Africa. This article aims at sharing experiences of configuring and using Mobile Moodle to enhance Moodle LMS usage and accessibility via mobile phones at the University of Dar es Salaam. Through analyzing log of two selected courses, it was revealed that the majority of students used Course View and User List features to read course notes and to check for their fellow students respectively. In addition, students indicated that the Mobile Moodle was easy to use and enable them to accomplish learning activities more quickly through a questionnaire that was distributed to elicit their opinions about the Mobile Moodle. The findings from this study will enable those who are involved in LMS implementation especially in sub-Saharan Africa to widen access of LMS via mobile phones and therefore increase LMS usage.
在过去十年中,撒哈拉以南非洲地区在采用和使用学习管理系统(LMS)方面有了显著的增长,目的是提高校园教学的质量,并通过混合学习和远程学习增加受教育的机会。尽管该地区越来越多地采用LMS,但它们的潜力尚未得到充分利用,因为相对较少的用户倾向于使用它们,因此无法证明高基础设施投资成本是合理的。移动电话在该地区用户中的持续普及和采用为寻找使用户通过移动电话访问LMS的方法提供了机会。然而,在用户的移动电话中增加LMS的可及性和使用的尝试相对较少,特别是在撒哈拉以南非洲地区。本文旨在分享配置和使用Mobile Moodle的经验,以通过达累斯萨拉姆大学的移动电话增强Moodle LMS的使用和可访问性。通过对所选两门课程的日志进行分析,发现大多数学生分别使用Course View和User List功能来阅读课程笔记和查看其他同学。此外,学生们通过发放问卷来询问他们对Mobile Moodle的看法,表示Mobile Moodle易于使用,使他们能够更快地完成学习活动。这项研究的结果将使那些参与LMS实施的人,特别是在撒哈拉以南非洲地区,通过移动电话扩大LMS的使用范围,从而增加LMS的使用。
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引用次数: 36
Teleweaver: An architectural overview of a customised application server for rurality Teleweaver:对农村定制应用服务器的体系结构概述
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530616
Mosiuoa Tsietsi, A. Terzoli, Sibukele Gumbo
The Siyakhula Living Lab in the rural Eastern Cape province of South Africa has been in existence for over a decade now. In this time, several software artefacts have been developed by students and partners with the aim of providing contextually-relevant services to the rural community. However, reliance on different platforms and paradigms has meant that the deployment of such services would be difficult to implement and maintain reliably in actual practice. What is required is a single software platform that can act as a docking station for multiple applications, as well as a routing substrate for applications living inside and outside the platform. A candidate platform to enable this is currently being integrated under the codename Teleweaver and is built from a free, open source J2EE application server and integrates with other software components. This paper provides an architectural overview of the platform and demonstrates how it provides a sustainable context for application development going forward.
位于南非东开普省农村的Siyakhula生活实验室已经存在了十多年。在此期间,学生和合作伙伴开发了几个软件工件,目的是为农村社区提供与上下文相关的服务。然而,对不同平台和范例的依赖意味着这些服务的部署将难以在实际实践中可靠地实现和维护。所需要的是一个单一的软件平台,它可以作为多个应用程序的对接站,以及一个位于平台内外的应用程序的路由基板。目前正在集成一个候选平台来实现这一点,其代号为Teleweaver,它是由一个免费的、开源的J2EE应用服务器构建的,并与其他软件组件集成在一起。本文提供了该平台的体系结构概述,并演示了它如何为应用程序开发提供可持续的环境。
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引用次数: 2
Smart under-five health care system 智能五岁以下儿童医疗保健系统
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530674
Tawachi Nyasulu
Internet of Things based health care systems promise a significant contribution towards improvement of medical information systems through automation of routine monitoring of patients and real-time transmission of medical records. However, digitisation of identification, tracking and monitoring of patients remains a challenge in rural areas of Africa, not to mention of associated power and internet connectivity constraints. This paper proposes a general architecture for monitoring of growth and vital parameters of under-five children. The system alerts medical personnel in real time about under-weight cases or abnormal readings of vital parameters in order to take further medical diagnosis. Furthermore, the system saves the child's personalised measurements to a cloud-based data store in real time. Preliminary tests of network performance of the IoT application design resulted in an average latency of 1.7s and system availability of 99.96%, thus validating its usability.
基于物联网的医疗保健系统通过对患者的日常监测自动化和医疗记录的实时传输,有望对医疗信息系统的改进做出重大贡献。然而,在非洲农村地区,患者识别、跟踪和监测的数字化仍然是一个挑战,更不用说相关的权力和互联网连接限制了。本文提出了一个监测五岁以下儿童生长和重要参数的一般架构。该系统实时提醒医务人员体重过轻或重要参数读数异常,以便进行进一步的医疗诊断。此外,该系统将孩子的个性化测量数据实时保存到基于云的数据存储中。初步测试物联网应用设计的网络性能,平均延迟1.7s,系统可用性99.96%,验证了其可用性。
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引用次数: 7
Contribution of mobile messaging applications to improve citizen security 移动通讯应用程序对提高公民安全的贡献
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530688
Paul Dayang
Mobile technologies are nowadays perceived as the most reliable technologies in the context of developing countries. Getting acquainted and trained, users may enhance their livelihoods by adopting new technological approaches. The main motivation for adopting new technologies evolved from their use in own environment by solving daily problems. Therefore, users need to be convinced that the technology will work in their best interests, for instance for controlling and improving security issues among a given population. As security issues are important, also in Cameroon, the evident existence of mobile devices all over the land even in remote villages without electricity and drivable roads, is something we shall rely on. The overall existing mobile infrastructure is an established precondition for building and creating local adapted mobile services. Stuck to their devices, how can mobile users efficiently contribute to enhance security in own locality? In this paper, we suggest a software architectural model for the development of a system for collecting and dispatching security data amount a giving population. The proposed model resulted from the analysis of existing messaging applications and a survey conducted in the city of Ngaoundere in Cameroun by interviewing 46 qualified mobile users.
移动技术如今被认为是发展中国家最可靠的技术。通过熟悉和培训,用户可以通过采用新的技术方法来改善他们的生计。采用新技术的主要动机是通过在自己的环境中解决日常问题而发展起来的。因此,需要让用户相信,这项技术将符合他们的最大利益,例如,在特定人群中控制和改善安全问题。由于安全问题很重要,在喀麦隆,即使在没有电力和道路的偏远村庄,到处都有移动设备,这是我们应该依靠的东西。现有的移动基础设施是建立和创建适合本地的移动服务的先决条件。移动用户在使用自己的设备时,如何有效地为加强本地的保安作出贡献?在本文中,我们提出了一个软件架构模型,用于开发一个针对特定人群的安全数据采集和调度系统。提出的模型来自对现有消息应用程序的分析,以及在喀麦隆恩oundere市进行的一项调查,该调查采访了46名合格的移动用户。
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引用次数: 0
Women in ICT: Barriers to career advancement and strategies for improvement 信息通信技术中的妇女:职业发展的障碍和改进策略
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530588
Ursula Sekoaila, F. Adebesin
Women are generally under-represented in the technology, or ICT, industry. Their numbers dwindle as they advance to senior management, with only 19% of senior posts assumed by women [1]. This paper looked at barriers to career advancement of women in ICT, strategies to bridge them and the strategies seen as the most effective by study participants. Data was collected through online questionnaire from 50 women occupying ICT posts in Gauteng Province, South Africa. We analysed the data using a combination of descriptive statistics and coding. The most prevalent career advancement barriers identified were the male-dominated nature of the sector, lack of empowerment and work-life imbalance. Participants believe that the use of quota systems for gender diversity, transparent performance reviews and opportunities for women, will be effective to bridge these barriers. Our findings mirror typical trends in the male-dominated ICT industries across the globe.
女性在技术或信息通信技术行业的代表性普遍不足。当她们晋升到高级管理层时,她们的人数就会减少,只有19%的高级职位是女性。本文研究了信息通信技术领域女性职业发展的障碍、消除障碍的策略以及研究参与者认为最有效的策略。数据通过在线问卷从南非豪登省从事信息通信技术工作的50名妇女中收集。我们使用描述性统计和编码相结合的方法分析数据。确定的最普遍的职业发展障碍是该部门的男性主导性质、缺乏授权和工作与生活的不平衡。与会者认为,利用性别多样性配额制度、透明的业绩审查和妇女机会将有效地消除这些障碍。我们的研究结果反映了全球男性主导的ICT行业的典型趋势。
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引用次数: 2
Ubiquitous traffic management with fuzzy logic — Case study of Maseru, Lesotho 利用模糊逻辑进行无所不在的交通管理--莱索托马塞卢案例研究
Pub Date : 2016-05-11 DOI: 10.1109/ISTAFRICA.2016.7530680
Tumisang Sechocha Liphoto, M. Masinde
Maseru is the capital city of Lesotho and is a relatively small city with roughly 67 vehicles registered each day. Traffic lights are used with the intension of effectively managing vehicular traffic at junctions. These traffic lights follow a predetermined sequence usually based on historic data. As a result of this design, they inherently fail to efficaciously manage traffic flow when it is abnormal. Vehicles on one side have to wait even though there are no cars on other sides of the road. The consequences of this include increased congestion and atmospheric air pollution. Technological advancements have resulted in the now widely researched Internet of Things paradigm with one of its applications being vehicular traffic management. The focus of this paper is the design of a prototype reactive system based on Internet of Things whose functionality includes traffic lights that are capable of reacting to prevailing conditions. The system makes use of Radio Frequency IDentifier technology and mobile tools to ubiquitously collect traffic data and disseminate value added traffic information.
马塞卢是莱索托的首都,也是一个相对较小的城市,每天大约有 67 辆汽车登记。使用交通信号灯的目的是为了有效管理路口的车辆交通。这些交通信号灯通常根据历史数据按照预先确定的顺序运行。由于这种设计,当交通流量出现异常时,交通信号灯本身就无法有效地管理交通流量。即使道路其他两侧没有车辆,一侧的车辆也必须等待。这样做的后果包括加剧交通拥堵和大气空气污染。技术的进步催生了现在被广泛研究的物联网模式,其应用之一就是车辆交通管理。本文的重点是设计一个基于物联网的反应式系统原型,其功能包括能够对当前状况做出反应的交通信号灯。该系统利用射频识别器技术和移动工具,无处不在地收集交通数据并传播增值交通信息。
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引用次数: 2
期刊
2016 IST-Africa Week Conference
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