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2022 IST-Africa Conference (IST-Africa)最新文献

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Assessing Strategic Priority Factors in eHealth Policies of Four African Countries 评估四个非洲国家电子卫生政策中的战略优先因素
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845650
Dillys Larbi, K. Anthun, F. Asah, O. Debrah, Konstantinos Antypas
The use of electronic health systems is rapidly spreading in low-and middle-income countries (LLMICs). Empirical evidence shows that eHealth systems can improve access, quality, and equitable healthcare delivery, especially for the poor and vulnerable. Studies suggest that a lack of systems thinking leads to inadequate technical infrastructure, lack of interoperability, streamlining of patient-and health information sharing. This article assesses the BETTEReHEALTH strategic priority factors from four African countries: Ethiopia, Ghana, Malawi, and Tunisia. The primary data source was eHealth policies from the four countries. A document analysis was conducted, complemented by deductive, qualitative content analysis. The results show these countries have adopted and implemented eHealth policies. They have dedicated governing bodies that aim to strengthen the coordination of eHealth efforts. However, there is a need for more robust government support and regulation in creating a sustainable national eHealth environment.
电子卫生系统的使用正在低收入和中等收入国家迅速普及。经验证据表明,电子卫生系统可以改善可及性、质量和公平的卫生保健服务,特别是对穷人和弱势群体。研究表明,缺乏系统思维会导致技术基础设施不足,缺乏互操作性,以及患者和健康信息共享的流线型。本文评估了四个非洲国家(埃塞俄比亚、加纳、马拉维和突尼斯)的better - health战略优先因素。主要数据来源是这四个国家的电子保健政策。进行文献分析,辅以演绎定性内容分析。结果表明,这些国家已经采纳并实施了电子卫生政策。它们有专门的理事机构,旨在加强电子保健工作的协调。然而,在创造可持续的国家电子卫生环境方面,需要更强有力的政府支持和监管。
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引用次数: 2
Stacked Language Models for an Optimized Next Word Generation 用于优化下一代单词生成的堆叠语言模型
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845545
E. O. Aliyu, E. Kotzé
Next word prediction task is the application of a language model in natural language generation that deals with generating words by repeatedly sampling the next word conditioned on the previous choices. This paper proposes a stacked language model for optimized next word generation using three models. In stage I, the meaning of a word is captured through learn embedding and the structure of the text sequence is encoded using a stacked Long Short Term Memory (LSTM). In stage II, a Bidirectional Long Short Term Memory (Bi-LSTM) stacking on top of the unidirectional LSTM encodes the structure of the text sequences, while in stage III, a two-layer Gated Recurrent Unit (GRU) is used to capture text sequences of data. The proposed system was implemented using Python 3.7, Tensorflow 2.6.0 with Keras and a Nvidia Graphical Processing Unit (GPU). The proposed deep learning models were trained using the Pride and Prejudice corpus from the Project Gutenberg library of ebooks. The evaluation was performed by predicting the next 3 words after considering 10 sets of text sequences. From the experiment carried out, the accuracy of the two-layer LSTM model measured 83%, the accuracy of the Bi-LSTM stacking on unidirectional LSTM model measured 79%, and the accuracy of the two-layer GRU model measured 81%. Regarding predictions, the two-layer LSTM predicted the 10 sequences correctly, the Bi-LSTM stacking on unidirectional LSTM predicted 8 sequences correctly and the two-layer GRU predicted 7 sequences correctly.
下一个单词预测任务是一种语言模型在自然语言生成中的应用,它处理的是在前一个选择的条件下,通过重复采样下一个单词来生成单词。本文提出了一种基于三个模型的层叠语言模型,用于优化下一代词的生成。在第一阶段,通过学习嵌入捕获单词的含义,并使用堆叠长短期记忆(LSTM)对文本序列的结构进行编码。在阶段II中,在单向LSTM之上叠加双向长短期记忆(Bi-LSTM)编码文本序列的结构,而在阶段III中,使用两层门控循环单元(GRU)捕获数据的文本序列。该系统使用Python 3.7, Tensorflow 2.6.0与Keras和Nvidia图形处理单元(GPU)实现。所提出的深度学习模型使用来自古腾堡计划电子书库的傲慢与偏见语料库进行训练。在考虑了10组文本序列后,通过预测接下来的3个单词来进行评估。从所进行的实验来看,两层LSTM模型的准确率为83%,双向LSTM叠加在单向LSTM模型上的准确率为79%,两层GRU模型的准确率为81%。在预测方面,双层LSTM正确预测了10个序列,在单向LSTM上叠加的Bi-LSTM正确预测了8个序列,双层GRU正确预测了7个序列。
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引用次数: 2
Towards a Cybersecurity Culture Framework for Mobile Banking in South Africa 迈向南非移动银行网络安全文化框架
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845633
Thembakazi.M. Kangapi, E. Chindenga
Mobile banking has become the most preferred banking method globally due to the prevalence and popularity of mobile technology. The widespread adoption and usage of mobile devices for banking has attracted a lot of cybercrime. Despite the national government gazetting NCPF to standardise cybersecurity efforts in South Africa, it is not adequately regulated as cybercrime continues to rise. This paper surveyed the literature to develop a cybersecurity culture framework to mitigate cybersecurity challenges in the South African mobile banking sector. The socio-technical systems theory was adopted as the underlying research theory of this paper. A literature survey was conducted, and the outcomes were thematically interpreted. Findings revealed that critical components of a successful cybersecurity culture framework should incorporate support, cybersecurity collaboration, policy, and monitoring and evaluation. The proposed framework may help to secure mobile banking communities from ever-evolving cyberattacks.
由于移动技术的普及和普及,手机银行已成为全球最受欢迎的银行方式。移动设备在银行业务中的广泛采用和使用吸引了大量的网络犯罪。尽管国家政府在宪报上发布了NCPF,以规范南非的网络安全工作,但由于网络犯罪持续上升,它并没有得到充分的监管。本文调查了文献,以制定网络安全文化框架,以减轻南非移动银行部门的网络安全挑战。本文采用社会技术系统理论作为基础研究理论。进行了文献调查,并对结果进行了主题解释。研究结果显示,成功的网络安全文化框架的关键组成部分应包括支持、网络安全协作、政策以及监测和评估。拟议的框架可能有助于保护移动银行社区免受不断演变的网络攻击。
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引用次数: 1
Design of an AMR Using Image Processing and Deep Learning for Monitoring Safety Aspects in Warehouse 基于图像处理和深度学习的仓库安全监控系统设计
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845559
Nabeelah Pooloo, Wafiik Aumeer, Rajeev Khoodeeram
The latest spinoffs in the field of Autonomous Vehicles have paved way for a revolution in mobility and transportation; particularly in the warehousing and distribution sector. AMRs, Autonomous Mobile Robots, are being deployed to assist in warehousing activities as they present multiple advantages. In this paper, an AMR coupled with image processing and deep learning is introduced as a novel approach to solve a two-fold problem: surveillance and disinfection. Deep learning will make use of real-time data collected by the AMR’s camera as a smart surveillance method for abnormal event detection. YOLOv4 is used to train a custom dataset for object detection on five different classes. The latter obtained a 74.40% accuracy. The vehicle will also be used to diffuse disinfecting agents as a mean to sanitize the stores and stocks against Covid-19. Moreover, autonomous navigation of the AMR will be based on image processing techniques for path track detection.
自动驾驶汽车领域的最新衍生产品为移动和运输领域的革命铺平了道路;尤其是在仓储和配送领域。自主移动机器人amr被用于协助仓储活动,因为它们具有多种优势。本文介绍了一种结合图像处理和深度学习的AMR,作为解决双重问题的新方法:监测和消毒。深度学习将利用AMR摄像头收集的实时数据,作为异常事件检测的智能监控方法。YOLOv4用于在五个不同的类上训练用于对象检测的自定义数据集。后者获得了74.40%的准确率。该车辆还将用于扩散消毒剂,作为对商店和库存进行Covid-19消毒的手段。此外,AMR的自主导航将基于路径跟踪检测的图像处理技术。
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引用次数: 0
Application of Convolutional Neural Networks to the Quantification of Tick Burdens on Cattle Using Infrared Thermographic Imaging 卷积神经网络在牛蜱病红外热成像定量研究中的应用
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845623
Fhulufhelo Mudau, Terence L van Zyl, A. Molotsi, Patrik Waldmann, K. Dzama, M. C. Marufu
Ticks and tick-borne diseases (TTBDs) are one of the biggest economic threats to livestock production systems in the world endangering approximately 80% of the global cattle population, especially in the sub- and tropical regions. It remains a challenge to effectively control ticks with acaricides due to the ability of ticks to develop resistance against acaricides. Algorithms for a cheap, rapid, and accurate method of quantifying tick burdens on cattle using infrared thermographic imaging technology could mitigate the danger of TTBDs in cattle. Tick counts were conducted once a month under natural challenge over a six-month period on 19 Bonsmara and 36 Nguni cattle located at ARC Roodeplaat and Loskop farms throughout both warmer climates and cooler climates. Thermographic images of both engorged & unfed females and males ticks were taken from cattle from February 2021 until July 2021. The deep learning models with architectures: “ConvNet” and “MobileNet” were trained on a dataset of 1124 “thermograms” to detect ticks on cattle. ConvNet model achieved a training and validation accuracy of $sim 90$ and 60%, respectively. Whereas MobileNet scored a training and validation accuracy of $sim 95$ and 75%, respectively. Finally, deep learning was successfully used to detect ticks on cattle using pretrained convolutional neural networks (CNNS).
蜱和蜱传疾病(ttbd)是世界畜牧业生产系统最大的经济威胁之一,危及全球约80%的牛群,特别是在亚热带和热带地区。由于蜱虫对杀螨剂产生抗药性,用杀螨剂有效防治蜱虫仍然是一个挑战。利用红外热成像技术,建立一种廉价、快速、准确的方法来量化牛的蜱虫负担,可以减轻牛TTBDs的危险。在六个月的时间里,在温暖气候和凉爽气候下,对ARC Roodeplaat和Loskop农场的19头Bonsmara牛和36头Nguni牛在自然挑战下每月进行一次蜱虫计数。从2021年2月至2021年7月,从牛身上采集了充盈和未喂食的雌性和雄性蜱虫的热成像图像。具有“ConvNet”和“MobileNet”架构的深度学习模型在1124个“热像图”数据集上进行训练,以检测牛身上的蜱虫。卷积神经网络模型的训练和验证准确率分别为90%和60%。而MobileNet的训练和验证准确率分别为95美元和75%。最后,使用预训练卷积神经网络(cnn)成功地将深度学习用于检测牛身上的蜱虫。
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引用次数: 0
Case Study on Data Collection of Kreol Morisien, a Low-Resourced Creole Language 低资源克里奥尔语Kreol Morisien数据收集案例研究
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845658
David Joshen Bastien, Vijay Prakash Chumroo, Johan Patrice Bastien
This case study focuses on laying down the foundations for the development of Kreol Morisien NLP (KreMoN) which is a series of Natural Language Processing tools to be used to process Mauritian Creole. While most of the works done so far focuses on detailing the Machine Learning algorithms, this work focuses on the first steps needed for any low resourced language which is the collection of data. We present a process currently being used to collect audio and textual data for a low resourced language like Mauritian Creole. This data will be used to develop a speech-to-text system as well as an Information Extractor for Mauritian Creole. As part of the case study, we detail some of the works made using existing textual data in Non standardized Mauritian Creole where an NLP pre-processing pipeline adapted for low resourced languages have been developed.
本案例研究的重点是为开发Kreol Morisien NLP (KreMoN)奠定基础,kreon是一系列用于处理毛里求斯克里奥尔语的自然语言处理工具。虽然到目前为止所做的大部分工作都集中在详细介绍机器学习算法上,但这项工作的重点是任何低资源语言所需的第一步,即数据收集。我们提出了一个过程,目前被用于收集音频和文本数据为低资源的语言,如毛里求斯克里奥尔语。这些数据将用于开发毛里求斯克里奥尔语的语音转文本系统以及信息提取器。作为案例研究的一部分,我们详细介绍了使用非标准化毛里求斯克里奥尔语现有文本数据所做的一些工作,其中已经开发了适合资源匮乏语言的NLP预处理管道。
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引用次数: 0
Assessment of Regional Attractiveness for Tourism 区域旅游吸引力评估
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845524
O. Čerba, Viktorie Sloupová, J. Macura, Sarah Velten
Despite the severe impacts of the COVID-19 pandemic on the tourism industry, tourism has become a key sector for economic development in the African continent. Nevertheless, the tourism sector in Africa is still in its early stages and much of its touristic potential remains untapped. To harness this potential, rational and wise tourism planning and management are key. These need to be based on an assessment of the tourism attractiveness of the different territories. In this paper we introduce a method of assessing tourism attractiveness in Africa on a regional level and ways to present the results of such assessments in an easily interpretable way. For these purposes, we calculate a regional tourism attractiveness index and to determine clusters of regions with similar tourism attractiveness profiles. We show how the results of these assessments can be visualized both in static maps and in a web mapping application.
尽管2019冠状病毒病大流行对旅游业造成严重影响,但旅游业已成为非洲大陆经济发展的关键部门。然而,非洲的旅游部门仍处于早期阶段,其大部分旅游潜力仍未得到开发。要发挥这一潜力,合理和明智的旅游规划和管理是关键。这些需要以对不同地区的旅游吸引力的评估为基础。在本文中,我们介绍了一种在区域层面上评估非洲旅游吸引力的方法,以及以易于解释的方式呈现此类评估结果的方法。为此,我们计算了区域旅游吸引力指数,并确定了具有相似旅游吸引力概况的区域集群。我们展示了如何在静态地图和web地图应用程序中可视化这些评估的结果。
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引用次数: 0
The Benefits of Digital Transformation addressing the Hindrances and Challenges of e-Government Services in South Africa: A Scoping Review 数字化转型的好处:解决南非电子政务服务的障碍和挑战:范围审查
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845641
Keneilwe Maremi, Tumiso Thulare, M. Herselman
The objective of this paper is to provide insight into how the successful implementation of Digital Transformation (DT) can help address the challenges and hindrances in South Africa’s e-Government. It is essential to aid South Africa’s seamless transition to e-Government. A scoping review was conducted to identify how the benefits of digital transformation can be aligned with addressing the hindrances and challenges of e-Government services in South Africa. A study was also conducted at 12 prioritised South African government departments through expert interviews to identify hindrances in implementing e-Government services. The study found that the main hindrances to e-Government were the lack of governance between departments, the integration of legacy systems, insufficient funding for e-Government projects, and various systems and applications across government. The paper recommends that the government should consider factors hindering the implementation of e-Government from realising the benefits of DT.
本文的目的是深入了解数字化转型(DT)的成功实施如何帮助解决南非电子政务中的挑战和障碍。帮助南非无缝过渡到电子政府是至关重要的。进行了范围审查,以确定如何将数字化转型的好处与解决南非电子政务服务的障碍和挑战相结合。我们亦透过专家访谈,在12个南非政府优先部门进行研究,找出推行电子政府服务的障碍。研究发现,电子政府的主要障碍是部门之间缺乏管治、遗留系统的整合、电子政府项目的资金不足,以及政府各部门的系统和应用不同。本文建议政府应考虑阻碍电子政务实施的因素,以实现电子政务的效益。
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引用次数: 1
Towards Developing a Broadband Infrastructure Dashboard Framework 建立宽带基础设施仪表板框架
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845521
Nosipho Mthethwa, M. Masonta, Sifiso Dlamini, Lwando Ngcama
Broadband mapping is used in several countries to monitor and fast track broadband deployment to ensure internet connectivity for citizens. Literature review revealed that many European countries already have implemented broadband infrastructure mapping and broadband services mapping. Studies on broadband and infrastructure mapping shows that there are four different types of broadband mapping, namely: broadband infrastructure mapping, broadband service mapping, broadband demand mapping and broadband investment and funding mapping. In this paper, a framework for developing a broadband infrastructure mapping dashboard is proposed. More specifically, three broadband infrastructure mapping frameworks are being presented, which are: interoperability framework, readiness framework and usability framework. Based on these three frameworks, we go further to present an envisaged broadband infrastructure dashboard as a prototype. Broadband infrastructure mapping is critical in closing the internet access gap in the most cost-effective manner.
一些国家使用宽带测绘来监测和快速跟踪宽带部署,以确保公民的互联网连接。文献综述显示,欧洲许多国家已经实施了宽带基础设施测绘和宽带服务测绘。宽带与基础设施测绘研究表明,宽带测绘有四种不同类型,分别是:宽带基础设施测绘、宽带业务测绘、宽带需求测绘和宽带投融资测绘。本文提出了一种开发宽带基础设施映射仪表板的框架。更具体地说,提出了三个宽带基础设施测绘框架,即:互操作性框架、就绪性框架和可用性框架。在这三个框架的基础上,我们进一步提出了一个设想的宽带基础设施仪表板的原型。宽带基础设施测绘对于以最具成本效益的方式缩小互联网接入差距至关重要。
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引用次数: 0
Intent to Use a Smartphone App as a University-Engagement Tool by Kabarole Farmers in Uganda 乌干达卡巴罗尔农民打算使用智能手机应用程序作为大学参与工具
Pub Date : 2022-05-16 DOI: 10.23919/IST-Africa56635.2022.9845532
Alice Nanyanzi, Chang Zhu, Justice Kintu Mugenyi, Ivo De Pauw, A. Mugenyi, Ilse Marien, L. Audenhove
Smartphone apps are promising tools for engagement between universities and external stakeholders like dairy farmers. However, there is limited evidence of dairy farmers’ intent to use apps. We use the Technology Acceptance Model to assess dairy farmers’ intent to use a co-created application. A survey of 100 farmers in the Kabarole district-Uganda was conducted, which focused on variables predicting farmers’ intention to use the app. Data were analysed using SPSS and Smart PLS 3 software. Findings show that hedonistic and utilitarian benefits drive farmers’ perceived ease of use and perceived usefulness of the app. Also, the intent to use the app is driven by both types of attitudes. Furthermore, self-belief affects the perceived usefulness but was insignificant on intent to use the app. The findings contribute to practical knowledge of the factors predicting the intent to use digital tools. Future research should focus on the actual usage of the app.
智能手机应用程序是大学与外部利益相关者(如奶农)之间互动的有前途的工具。然而,有有限的证据表明奶农打算使用应用程序。我们使用技术接受模型来评估奶农使用共同创建的应用程序的意图。对乌干达Kabarole地区的100名农民进行了调查,重点关注预测农民使用该应用程序意图的变量。数据使用SPSS和Smart PLS 3软件进行了分析。研究结果表明,享乐主义和功利主义的利益驱动了农民对应用程序的易用性和实用性的感知。此外,使用应用程序的意图是由这两种态度驱动的。此外,自信影响感知有用性,但对使用应用程序的意图不显著。研究结果有助于了解预测使用数字工具意图的因素。未来的研究应该关注应用的实际使用情况。
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引用次数: 0
期刊
2022 IST-Africa Conference (IST-Africa)
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