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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
131

Entwicklung neuer Methoden zur eindeutigen und fehlerfreien Kommunikation im Bereich der 3D-modellbasierten Arbeitsweise

Saal, Christopher 24 January 2023 (has links)
Die Digitalisierung industrieller Fertigungs- und Qualitätssicherungsprozesse hat mittlerweile in einer Vielzahl von Unternehmen Einzug gefunden und ist dort nicht mehr wegzudenken. Ausgehend von einem funktionalen 3D-CAD-Modell soll es möglich sein, nahezu alle produktbegleitenden Prozesse – von der Konstruktion bis zur Endabnahme beim Kunden – teil- oder vollautomatisiert zu steuern. Das Ziel ist die eindeutige Vergleichbarkeit konstruktiver, fertigungstechnischer und qualitätsrelevanter Daten im Produktentstehungsprozess. Gerade im Bereich der Qualitätssicherung und der abgeleiteten Messprotokollierung besteht diesbezüglich bisher nicht ausgeschöpftes Optimierungspotenzial. Die bestehende Entwicklungslücke stört die Durchgängigkeit der digitalen 3D-CAD-basierten Prozesskette und beeinträchtigt die Prozess- und Informationstransparenz innerhalb der Produktentstehung. Mit der Verwendung der Product and Manufacturing Information (PMI) im 3D-CAD-Modell wird dieser Problematik zwar entgegengewirkt, jedoch ist es bislang nur begrenzt möglich, die Produkt- und Fertigungsinformationen eindeutig und unverändert in der heterogenen CAx-Systemlandschaft innerhalb der Produktentstehung zu transferieren. Neben der fehlenden Eindeutigkeit der PMI liegt die Ursache häufig bereits bei Fehldefinitionen der Informationen im Bereich der Bauteilkonstruktion. Eine eindeutige Zuordnung der Prüfmerkmale zu den jeweiligen Geometrieelementen wird nicht gewährleistet, sodass prüftechnisch ermittelte Soll-Wert-Abweichungen aus der Qualitätssicherung nicht direkt (ohne manuelle Nach- bzw. Mehrarbeit) dem entsprechenden geometrischen Element im 3D-CAD-Modell zugeordnet werden können. Das Ziel dieser Arbeit ist daher, eine Methode zu entwickeln, mit der die 3D-CAD-Modellinformationen semantisch korrekt definiert und auf Basis einer einheitlichen Kennzeichnung eindeutig im Produktentstehungsprozess identifiziert und maschinenlesbar weiterverarbeitet werden können. Zusätzlich werden aufbauend auf der eindeutigen Identifikation der Bauteilinformationen neue Methoden im Bereich der 3D CAD-basierten Arbeitsweise entwickelt, die den Mitarbeiter im Bereich der Prüf- und Arbeitsplanung sowie bei arbeitsvorgangsspezifischen Aufgaben in der Fertigung entlasten.:1. Einleitung 2. Stand der Forschung und Technik 3. Anforderungsprofil zur Methodenentwicklung 4. Entwicklung von Methoden zur 3D-modellbasierten Arbeitsweise in der Fertigung 5. Validierung der Methode zur Erreichung eines 3D modellbasierten Fertigungsansatzes 6. Diskussion und Fazit zu den Ergebnissen im Bereich der 3D-modellbasierten Arbeitsweise 7. Zusammenfassung und Ausblick
132

Обучение иностранному языку с использованием социальных сетей студентов радиотехнических направлений подготовки : магистерская диссертация / Foreign Language Teaching with the Use of Social Networks of IT Students

Кочнева, В. С., Kochneva, V. S. January 2019 (has links)
Данная работа посвящена исследованию социальных сетей ВКонтакте и Инстаграм в качестве новых элементов информационно-коммуникационных технологий на занятиях английского языка в высшем учебном заведении. Особое внимание уделяется вопросам интеграции популярных социальных сетей в учебный процесс с целью дополнительной отработки учебного материала, пройденного в рамках аудиторных занятий со студентами радиотехнических направлений подготовки Уральского федерального университета. Активное и повсеместное использование мобильных устройств и социальных сетей в повседневной жизни обеспечивает актуальность их применения для студентов. Цель данного исследования разработать этапы работы с социальными сетями, определить актуальные методы использования социальных сетей в процессе обучения английскому языку. В работе представлены четыре этапа, которые необходимы для организации процесса обучения иностранному языку: организационный, подготовительный (технический), процессуальный и оценочный. В работе предлагается детализацию данных этапов на пятнадцать шагов. В зависимости от целей и задач образовательного процесса, темы, уровня группы набор предлагаемых шагов изменяется. Практика внедрения социальных сетей в процесс организации самостоятельной работы студентов Института радиоэлектроники и информационных технологий Уральского федерального университета демонстрирует возможность использования разнообразных типов заданий для решения различных учебных задач и повышение эффективности обучения английскому языку. Авторы исследования анализируют не только достоинства использования социальных сетей в обучении иностранному языку, но и недостатки, к которым, в основном, относится маркетинговый контент социальных сетей. / The thesis is devoted to the study of the social networks Vkontakte and Instagram as a new element of information and communication technologies in the classroom of the English language in higher education. Particular attention is paid to the integration of popular social networks in the educational process in order to further development of the educational material given in the classroom with students of radio engineering training areas of the Ural Federal University. Active and widespread use of mobile devices and social networks in everyday life ensures the relevance of their application for students. The purpose of this study is to develop stages of work with social networks, to determine the actual methods of using social networks in the process of learning English. The study presents four stages that are necessary for the organization of the process of learning a foreign language: organizational, preparatory (technical), procedural and evaluation. The authors of the study offer the details of these stages for fifteen steps. Depending on the goals and objectives of the educational process, topics, group level set of proposed steps changes. The practice of introduction of social networks in the process of organization of independent work of students of the Institute of radio electronics and information technology of the Ural Federal University demonstrates the possibility of using different types of tasks to solve various educational problems and improve the efficiency of English language teaching. The authors of the study analyze not only the advantages of using social networks in teaching a foreign language, but also the disadvantages, which mainly include the marketing content of social networks.
133

EXPLORING ELDERLY PATIENTS´ BEHAVIOR & NEEDS INSIDE DIGITAL HEALTHCARE PLATFORMS / Undersökning av äldre patienters beteende och behov i digitala vårdplattformar

Hardebro, Veronica, Edblad, Rebecka January 2021 (has links)
Den ökande och snabba utvecklingen av informations- och kommunikationsteknik har skapat ett nytt ekosystem inom hälso- och sjukvårdssektorn bestående av digitala plattformar. Detta har gjort det möjligt för patienter att söka och ta emot vård på nya sätt som tidigare inte var möjligt. Att digitalisera patientresan har visat sig vara effektivt och underlättar självständigt boende och enkel åtkomst för uppföljningskonsultationer för de som lider av kroniska sjukdomar. Trots detta är många människor, särskilt äldre, underrepresenterade i användningen av digitala vårdplattformar. Syftet med detta examensarbete är att undersöka äldre patienters beteende inom digitala vårdplattformar för att tillgodose behoven hos den större befolkningen och minimera den digitala klyftan. För att uppnå syftet formulerades följande forskningsfrågor: Vilka är skillnaderna i användningsbeteende mellan äldre och yngre primärvårdspatienter på digitala vårdplattformar? Vilka är de viktigaste förebyggande faktorerna som påverkar äldres användningsbeteende? Denna studie följde en mixad forskningsdesign. Vi använde SPSS för att utföra one-way ANOVA följt av ett Games-Howell post hoc-test för varje variabel som möjligtvis kunde förklara en skillnad i användningsbeteende mellan yngre och äldre primärvårdspatienter. För att svara på vår andra forskningsfråga genomförde vi 17 intervjuer med respondenter i åldern 60+ som tidigare använt en digital vårdplattform. Våra resultat visar att det finns en signifikant skillnad i användningsbeteende mellan äldre och yngre primärvårdspatienter. Den äldre generationen spenderar mer tid under anamnes, onboarding och i väntekö, där de i åldern 75+ sticker ut mest på alla uppmätta variabler. Den äldre generationen tenderade också att betygsätta tjänsten något lägre, uppskatta deras hälsa högre och bli tilldelad färre antal sjukvårdsexperter i processen jämfört med den yngre generationen. De viktigaste förebyggande faktorerna som påverkar äldres användningsbeteende är den upplevda användbarheten, upplevda användarvänligheten, deras digitala mognad, förtroende, och attityd till digital vård. Denna studie bidrar till den glesa litteraturen inom digitala vårdplattformar och äldres beteende efter adoption av informations- och kommunikationsteknik. Vi tillhandahöll ny kunskap om äldres användning av digitala vårdplattformar i jämförelse till den yngre generationen och lade till en förklaring angående vilka faktorer som påverkar användningsbeteendet hos den äldre generationen. Dessutom stärker vi nuvarande teori genom att betona vikten av att undersöka de påverkande faktorerna snarare än kronologisk ålder. Våra praktiska bidrag riktar sig till både plattformsägare och vårdpersonal med syftet att ge vägledning i hur dessa två aktörer ska agera för att öka användningen bland den äldre generationen, där utformning av plattformen och information är särskilt viktigt att ta hänsyn till. / The rise and rapid development of information communication technologies have created a new ecosystem in the healthcare sector consisting of digital platforms. This has enabled patients to access, seek, and receive care in new ways which was not previously possible. Digitizing the patient journey is proven to be effective while facilitating independent living and easy access for follow-up consultations for those who live in rural areas and are suffering from chronic diseases. Yet, many people, especially elderly, are underrepresented in the usage of digital healthcare platforms. The purpose of this master thesis is to investigate elderly patients’ behavior inside the digital healthcare platforms to accommodate the needs of the greater population and minimize the digital divide. To achieve the purpose, the following research questions were formulated: What are the differences in usage behavior between elderly and younger primary care patients in digital healthcare platforms? Which are the key antecedent factors that influence the usage behavior of the elderly? This study followed a mixed method research design. We used SPSS to perform a one-way ANOVA followed by a Games-Howell post hoc test for each variable that possibly could explain a difference in usage behavior between younger and elderly primary care patients. To answer our second research question, we held 17 interviews with respondents in the age of 60+ that previously had used a digital healthcare platform. Our findings reveal that there is a significant difference in usage behavior between elderly and younger primary care patients. The elderly generation spend more time during anamnesis, onboarding, and in waiting lines, where those in the age 75+ stand out the most on all measured variables. The elderly generation also tended to rate the service slightly lower, estimate their health higher and get assigned to fewer healthcare professionals in comparison to the younger generation. The key antecedent factors that influence the usage behavior of elderly is the perceived usefulness, perceived ease of use, their digital maturity, trust, and attitudes towards digital healthcare. This study contributes to the sparsely literature within digital healthcare platforms and elderly’s behavior after adoption of ICTs. We provided new knowledge regarding elderly’s usage of digital healthcare platforms in contrast to the younger generation and added an explanation of factors that influence the usage behavior. In addition, we strengthen current theory by highlighting the importance of examining influencing factors rather than chronological age. Our practical contributions address both platform owners and healthcare professionals and aims to give direction in how these two actors should act to increase usage among the elderly generation, where design of the platform and information are especially essential to take into consideration.
134

The Influence of Gender and Ethnicity on the Use of ICT in Higher Education: A Case of Arts and Social Sciences Students in Universiti Malaya

Rathore, Animesh S. 29 December 2008 (has links)
No description available.
135

The use of information communication technology in the classroom to enhance teaching and learning at selected Secondary Schools in Limpopo Province

Bejrajh, Viloshni January 2022 (has links)
Thesis (Ph.D. (Curriculum Studies)) -- University of Limpopo, 2022 / This study explored the use of information communication technology (ICT) to enhance teaching and learning in selected schools in Limpopo Province of South Africa. The study examined how ICT could be used to the advantage of the educator and learners in the classroom. The research is important because of the need to shift from teacher centred to learner centred approaches through using technology in the classroom. In addition, today’s learners are different from those of 20 years ago in that they are inquisitive and want to discover knowledge on their own. In the past twentyfive years that the researcher has been a teacher, she has seen a significant change in the learners’ attitude towards education. The current learners are energetic, enjoy change and are opposed to traditional teaching approaches that focus on rote learning. This qualitative research implemented the principle of life-long learning to increase a variety of educational mediums and promote the learners’ technology literacy. The research also sought to encourage the culture of learning through the development of learning skills. To achieve the study objectives, a case study design which is an aspect of qualitative research, was adopted. This led to a naturalistic inquiry which allowed the researcher to collect data by interacting with selected individuals in their everyday setting. The study exploits the constructive-interpretivist paradigm because this enabled the researcher to critically explore the use of ICT in enhancing teaching and learning at secondary schools. Data was collected through interviews with participants. Subsequently, the data was analysed to gain in-depth understanding about how educators implement and ensure quality teaching and learning through the use of ICT in the classroom. Data was transcribed verbatim and then grouped according to different themes. The research findings indicate that the use of ICT in the classroom promotes teaching and learning. ICT is an innovative tool which also allows diverse perspectives to emerge, enabling learners to develop a group identity.
136

Creating Supply Chain Resilience with Information Communication Technology

Glassburner, Aaron 05 1900 (has links)
Supply chain resilience refers to the capability of a supply chain to both withstand and adapt to unexpected disturbances. In today's turbulent business environment, firms are continually seeking to create more resilience within their supply chain through increased information communication technology use and enhanced business-to-business relationships. The focus of this dissertation is the investigation of how information communication technology creates resilience at the differing process levels of supply chain operations. Past research into information communication technology use within supply chains has often been conducted at the macro-level of supply chain phenomena. As such, there is still much to understand about how decision-makers interact with information communication technology at the micro-level of supply chain decision-making. A more in-depth, broad coverage of this interaction will provide both practitioners and academics a better understanding of how to leverage information communication technology in achieving supply chain resilience. To meet this aim, this dissertation contains three essays that re-orient conceptual thinking about supply chain phenomenon, explore how advances in information communication technology influence business-to-business relationships, and identify how information communication technology effects the decision-making of supply chain managers.
137

An investigation of information security policies and practices in Mauritius

Sookdawoor, Oumeshsingh 30 November 2005 (has links)
With the advent of globalisation and ever changing technologies, the need for increased attention to information security is becoming more and more vital. Organisations are facing all sorts of risks and threats these days. It therefore becomes important for all business stakeholders to take the appropriate proactive measures in securing their assets for business survival and growth. Information is today regarded as one of the most valuable assets of an organisation. Without a proper information security framework, policies, procedures and practices, the existence of an organisation is threatened in this world of fierce competition. Information security policies stand as one of the key enablers to safeguarding an organisation from risks and threats. However, writing a set of information security policies and procedures is not enough. If one really aims to have an effective security framework in place, there is a need to develop and implement information security policies that adhere to established standards such as BS 7799 and the like. Furthermore, one should ensure that all stakeholders comply with established standards, policies and best practices systematically to reap full benefits of security measures. These challenges are not only being faced in the international arena but also in countries like Mauritius. International researches have shown that information security policy is still a problematic area when it comes to its implementation and compliance. Findings have shown that several major developed countries are still facing difficulties in this area. There was a general perception that conditions in Mauritius were similar. With the local government's objective to turn Mauritius into a "cyber-island" that could act as an Information Communication & Technology (ICT) hub for the region, there was a need to ensure the adoption and application of best practices specially in areas of information security. This dissertation therefore aims at conducting a research project in Mauritius and assessing whether large Mauritian private companies, that are heavily dependent on IT, have proper and reliable security policies in place which comply with international norms and standards such as British Standard Organisation (BSO) 7799/ ISO 17799/ ISO 27001. The study will help assess the state of, and risks associated with, present implementation of information security policies and practices in the local context. Similarities and differences between the local security practices and international ones have also been measured and compared to identify any specific characteristics in local information security practices. The findings of the study will help to enlighten the security community, local management and stakeholders, on the realities facing corporations in the area of information security policies and practices in Mauritius. Appropriate recommendations have been formulated in light of the findings to improve the present state of information security issues while contributing to the development of the security community / Computing / M.Sc. (Information Systems)
138

A situational analysis of national information policy, with special reference to South Africa

Arnold, Anna-Marie 02 1900 (has links)
This thesis reviews trends and developments concerning national information policy both internationally and nationally and inform the understanding of the situation in South Africa. Three research questions are investigated in this study, namely: (a) what are the main trends relevant to national information policy development worldwide, based on relevant literature, (b) what are the main trends and developments in other countries, and (c) what are the implications of the current global and national developments regarding national information policy for South Africa, based on the findings of the study? The methodology for this study involved a qualitative textual analysis, addressing these three research questions, and the selection of theoretical frameworks to define the scope of the research. The study discussed the main aspects of concern regarding the following information-related issues: access to information; access to government information; literacy levels; computer literacy levels; levels of education and skills; information society development; the North-South Divide (including the digital divide); information content and industrial competitiveness; other issues such as e-commerce; telecommunication issues; copyright issues; industrial property rights; freedom of speech; censorship; information ownership; library services and archives; the value of information and the flow of information in the public domain in South Africa. The multiplicity of issues reviewed demonstrated the complexity regarding access to information and related issues in the country. The study concludes with a situational analysis of developments relevant to national information policy for South Africa. The findings indicate that the South African government needs to take into account the unevenness of past developments and the challenges created by the emergent global information policy regime. The Government needs to develop a national information policy to address and balance two realities, namely: (a) the technocratic and capitalist values of globalisation pushing global information policy development from outside the country, and (b) national economic, social and cultural developmental needs inside the country. Both these realities are relevant and need to be addressed in a national information policy, as the Government needs to take into account the unevenness of past developments and the challenges created by the emergent global information policy regime. / Information Science / D. Litt. et Phil. (Information Science)
139

資通訊科技(ICT)服務業客戶滿意度之跨國比較- 以亞太地區市場為例 / Customer Satisfaction of Information Communication Technology (ICT) Services- The Comparison in Asia Pacific Countries

王宏任, Wang, Benjamin Unknown Date (has links)
立足台灣,前瞻兩岸,放眼全球已經不再是台灣企業的未來策略方針了,而是台灣企業已陸續進入目標市場,進行開發和建立成長的階段中。近年來,全球貿易經濟加速全球化,跨國企業無不把握市場脈動,提早卡位捷足先登。台灣的企業也由製造、貿易、行銷到服務的轉型過程,提升自有品牌的附加價值,以便在握有許多產品的供應鏈優勢上,建造一條更順利又長遠的成長到路。尤其在高科技的資通訊產品,台灣有具有重要的全球地位。從代工到研發創新的轉變,使台灣的品牌,在激烈的全球化競爭下,已漸漸戴上的一道光環,那就是市場價值。 當進入到世界市場的行銷競爭時,如何掌握客戶的行為模式,達成最佳的產品最終使用者滿意度,往往過去都將焦點注目於消費性產品的市場研究居多,較少投入產業性產品與服務的研究,而對於以資通訊產品占出口相當大比例的台灣廠商,若能進一步研究探討各國產業市場的行為模式,相信對於產品的研發設計有所助益,並將擴大在全球市場的成長機會。 在拓展全球市場的同時,如何在起步較晚的狀況下,超越歐美、日本的國際企業,開創出新一代的優勢競爭模式,取得市場先機,強化企業組織效能,網羅培育各地人才,提供滿意的顧客服務品質,創立長遠的品牌價值。在Ben Q併購西門子的經驗,莫不是台灣企業整體的學費成本,在國際化的競合腳步快速邁向前的科技網路時代,如何培養更多的國內外人才來迎接這個台灣優勢,順利去延展我們的國際市場,相信對於國際市場的研究,台灣應該有更多的用心與重視。今年初,在美國航空公司JetBlue的誤點意外,對客戶滿意度造成衝擊的案例,引起媒體大眾和政府的關注,這對於在國際上正在開疆闢土的台灣企業,應該引以為戒,並在相關的國際市場顧客行為研究,應該同時給予相對的投入與支持。 吾人希望藉對於資通訊服務業在國際市場的客戶滿意度比較研究,探討相關在產業市場對科技服務的客戶行為,同時選擇一個全球型的國際企業,並且擁有各國子公司的資通訊科技的系統整合服務業者進行相關的個案研究,而調查訪談的對象,屬於跨國企業(MNCs)的經營模式超過一半,分布於不同產業。考慮如何透過提供資通訊的科技軟硬體產品與服務,經由銷售、解決方案、諮詢、設計、專案管理、安裝建置、維護到客服服務的各項服務功能,對於亞太地區13國家200個的主要客戶,進行客戶滿意度的調查和研究。預期從這些相關的分析探討,深一層比較研究各國的客戶在滿意度是否有差異?而藉此訪談的過程,收集分析影響客戶滿意度的因素為何? 本研究共計分為五章,包含第一章 緒論、第二章 文獻探討、第三章 研究方法與架構、第四章 資料分析和第五章 結論與建議。期望這份研究,對於個案公司、相關業者和後續學術研究,都能提供一定的幫助。 / Today, the rapid movement towards globalization has forced enterprises in Taiwan to transform from manufacturing, trading, and marketing type of business model to a more services oriented one. During the process of transformation, enterprises realize that increasing the value of private brand could bring them more competitive advantages in the supply chain, and ultimately create the market value which allows them to stand out in the severe competition of the global marketplace. In recent years, customer satisfaction has become an important index to evaluate whether a product or commodity is being successful in the market. However, not many researches are focusing the satisfaction studies of the services or products provided by the Information and Communication Technology (ICT) industry. As Taiwan has been the major export country of ICT products, a case study in the Asia Pacific market will help us understand more about the industry and provide more insights for Taiwan companies. The paper will use a multinational company in the ICT industry to examine the key factors that impact the client satisfaction survey. Result shows that the gap between clients’ perceptions and expectations of service quality will vary based on products, services, level of usage, personal experience and organization. This fulfils the concept of P.Z.B. model and the theory of DeLone and McLean model of information systems success. Also cultural difference plays a significant role in the survey result and could lead to diverse interpretation of service quality. It is hoped that this paper could be a reference for ICT companies in Taiwan to understand clients in different countries, making them to gain better market value in today’s competitive global market.
140

Knowledge sharing in Nkangala district municipality

Makhanya, Lungile 11 1900 (has links)
The purpose of the study was to investigate knowledge practices in Nkangala District Municipality (NDM), situated in the Mpumalanga Province, South Africa. The objective of the study was to discover NDM managers’ level of understanding participation and establish any challenges of knowledge sharing in NDM. This study employed qualitative research method. An interview guide was designed to collect data through in-depth interviews. To determine the number of participants for the interview, stratified and purposive sampling methods were used. The study established that there is little knowledge and understanding of the knowledge sharing concept by NDM managers, hence, it is not formally recognised by the institution. However, managers acknowledged that knowledge sharing could play a huge role in improving service delivery. The study recommends that NDM should consider introducing the knowledge sharing concept, through the establishment of a knowledge sharing section. A culture of knowledge sharing could be developed through the development of knowledge sharing policies, which should be aligned to the Integrated Development Planning (IDP) process of NDM. In addition, the study recommends an upgrade on the existing ICT infrastructure and internet connection, especially in rural municipalities. This will ensure that ICT fully supports knowledge sharing activities. The study suggested that an additional study is conducted to establish knowledge sharing practices among the lower level staff members of NDM. / Information Science / M.A.(Information Science)

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