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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.
1

The application of value co-creation in advancing solutions to sustainable consumption

Verran, Ginny Britt 23 July 2011 (has links)
The environmental sustainability challenges faced by society represent a discontinuity that requires new systemic ways of thinking and approaching problems. For business and consumers this entails finding new ways of creating value. In this respect, this study argues that an important source of value lies in efficient service co-creation between business and consumers in the consumption process. To this end, this study set out to explore the potential of business-to-consumer co-creation to advance solutions to sustainable consumption in the grocery retail setting. Exploratory qualitative research was conducted with grocery retailers and environmentally conscious consumers to gain insights into the types of initiatives that are important with respect to sustainable consumption. The willingness of business and consumers to work together to co-create solutions was gauged, and potential processes and mechanisms for co-creation were explored. The research found that both grocery retailers and consumers recognise sustainability as a systemic issue and welcomed the notion of co-creating solutions. However, the overarching narrative of the research findings with respect to the how of co-creation is that the market may not yet be ready. Retailers are driving sustainability initiatives across the supply chain, with consumers occupying a relatively passive role. This study argues that co-creation represents a fundamentally new paradigm that poses the challenge of a new orientation for the business-to-consumer relationship. / Dissertation (MBA)--University of Pretoria, 2010. / Gordon Institute of Business Science (GIBS) / unrestricted
2

Why are Gandhi and Thoreau AFK? : In Search for Civil Disobedience online

Kleinhans, Jan-Peter January 2013 (has links)
This thesis investigates if Distributed Denial-of-Service attacks constitute a valid form ofcivil disobedience online. For this purpose a multi-dimensional framework is established,drawing on Brownlee’s paradigm case and classical theory of civil disobedience. Threedifferent examples of DDoS attacks are then examined using this framework - the attacksfrom the Electronic Disturbance Theater in support of the Zapatista movement;Anonymous’ Operation Payback; Electrohippies’ attack against the World TradeOrganization. Following the framework, none of these DDoS attacks are able to constitute acivilly disobedient act online. The thesis then goes on and identifies four key issues, drawingon the results from the examples: The loss of 'individual presence', no inimitable feature ofDDoS attacks, impeding free speech and the danger of western imperialism. It concludes thatDDoS attacks cannot and should not be seen as a form of civil disobedience online. Thethesis further proposes that online actions, in order to be seen as civilly disobedient actsonline, need two additional features: An 'individual presence' of the protesters online tocompensate for the remoteness of cyberspace and an inimitable feature in order to berecognizable by society. Further research should investigate with this extended framework ifthere are valid forms of civil disobedience online.
3

Teste de robustez de uma infraestrutura confiável para arquiteturas baseadas em serviços Web / Robustness testing of a reliable infrastructure for web service-based architectures

Maja, Willian Yabusame, 1986- 19 August 2018 (has links)
Orientador: Eliane Martins / Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação / Made available in DSpace on 2018-08-19T00:06:46Z (GMT). No. of bitstreams: 1 Maja_WillianYabusame_M.pdf: 5488949 bytes, checksum: 89d142ebb211bdb6d1eec333a99c6727 (MD5) Previous issue date: 2011 / Resumo: Os sistemas baseados em serviços Web estão suscetíveis a diversos tipos de falhas, entre elas, as causadas pelo ambiente em que operam, a Internet, que está sujeita a sofrer com problemas como, atrasos de entrega de mensagem, queda de conexão, mensagens inválidas entre outros. Para que estas falhas não causem um problema maior para quem está interagindo com o serviço Web, existem soluções, como é o caso do Archmeds, que fornece uma infraestrutura confiável que melhora a confiabilidade e disponibilidade dos sistemas baseados em serviços Web. Mas, para o Archmeds ser uma solução confiável, ele também deve ser testado, pois ele também é um sistema que está sujeito a ter defeitos. Por isso, este trabalho propõe uma abordagem para teste de robustez no Archmeds e para isso, contou com o desenvolvimento de uma ferramenta de injeção de falhas chamada WSInject, que utiliza falhas de comunicação e dados de entrada inválidos nos parâmetros das chamadas aos serviços. Com isso espera-se emular as falhas do ambiente real de operação dos serviços Web e revelar os defeitos do sistema sob teste. Este trabalho também levou em conta que o Archmeds é uma composição de serviços Web, por isso também propõe uma abordagem para testar composições de serviços. Com os resultados deste estudo de caso, espera-se que esta abordagem de teste de robustez possa ser reutilizada para outros sistemas baseados em serviços Web / Abstract: Web service-based systems are subject to different types of faults, among them, the ones caused by the environment in which they work, which is the Internet. These faults could be problems like delay of message, connection loss, invalid message request, and others. To avoid that these faults do not become a bigger problem for the clients who are interacting with the Web service, a solution can be the use of a reliable infrastructure, like Archmeds, to increases the reliability and availability of the Web-service-based systems. Although Archmeds is a solution with the aim to increase the reliability of Web services, it is also subject to faults and for this reason, it should also be tested. This work proposes an approach to test the robustness of Archmeds and to reach this goal, a fault injection tool, called WSInject, was developed. It uses communication faults and invalid inputs into services calls. In order to reveal the failures, these faults aim to emulate the real ones that affect the Web services in the real operational environment. This work also took into account that Archmeds is a Web service composition and for this reason, it was created an approach to test it. With the results of this case study, it is expected that this approach can be adapted to others applications based in Web services technology / Mestrado / Ciência da Computação / Mestre em Ciência da Computação
4

Hostel redevelopment programme of the Kagiso Hostel in the Mogale City Local Municipality

Ubisi, Salphinah Vuloyimuni 17 March 2014 (has links)
Hostels are a product of the migrant labour system that originated in the copper mining industry in Namaqualand in the 1850s. The migrant labour compounds were used to accommodate migrant labour workers in the urban areas. However, these compounds also meant that migrant labour workers were denied the right of access to permanent accommodation and residential space in the urban areas. After the repeal of the influx control and segregative laws in South Africa in 1986, some of the hostel dwellers brought their relatives and friends to live in the hostels and this resulted in problems such as overcrowding which were exacerbated by poor management and control of the hostels. The living conditions of the hostel dwellers deteriorated during the 1990s. After the announcement of the unbanning of all liberation movements and political parties in South Africa in the 1990s, hostel violence broke out. This hostel violence left many hostel blocks vandalised and without basic municipal services such as electricity, water and waste removal. The hostel violence was primarily between the Inkata Freedom Party (IFP) aligned hostel dwellers and the African National Congress (ANC) aligned township and informal settlement residents. The hostel violence has catalysed the public housing challenges faced by the democratic government since its inception in 1994. Nevertheless, since 1994 the democratic government has introduced various housing programmes in an effort to provide adequate houses for all South African citizens. One such housing programme is the hostel redevelopment programme. The hostel redevelopment programme was adopted by the democratic government after 1994 with the aim of, among other things, upgrading public hostels, redeveloping and converting the rooms in public hostels into family rental units in order to improve the living conditions of the hostel dwellers and introducing hostel dwellers to family life. The Mogale City Local Municipality (MCLM) is one of the municipalities in Gauteng province that is participating in the hostel redevelopment programme. The findings of this study have revealed that the upgrading of the Kagiso hostel involved the following two processes: During the first process, the MCLM upgraded the Kagiso hostel by fixing broken windows and doors, repairing toilets and providing basic municipal services such as electricity, water, and waste removal in order to improve the living conditions of the hostel dwellers. The second process involved demolishing the hostel blocks and converting them into family units in order to address the public housing challenges relevant to the Kagiso hostel. In this study, the hostel redevelopment programme is called process 1 and the community residential units (CRU) programme is called process 2. / Public Administration & Management / M. Tech. (Public Management)
5

Hostel redevelopment programme of the Kagiso Hostel in the Mogale City Local Municipality

Ubisi, Salphinah Vuloyimuni 17 March 2014 (has links)
Hostels are a product of the migrant labour system that originated in the copper mining industry in Namaqualand in the 1850s. The migrant labour compounds were used to accommodate migrant labour workers in the urban areas. However, these compounds also meant that migrant labour workers were denied the right of access to permanent accommodation and residential space in the urban areas. After the repeal of the influx control and segregative laws in South Africa in 1986, some of the hostel dwellers brought their relatives and friends to live in the hostels and this resulted in problems such as overcrowding which were exacerbated by poor management and control of the hostels. The living conditions of the hostel dwellers deteriorated during the 1990s. After the announcement of the unbanning of all liberation movements and political parties in South Africa in the 1990s, hostel violence broke out. This hostel violence left many hostel blocks vandalised and without basic municipal services such as electricity, water and waste removal. The hostel violence was primarily between the Inkata Freedom Party (IFP) aligned hostel dwellers and the African National Congress (ANC) aligned township and informal settlement residents. The hostel violence has catalysed the public housing challenges faced by the democratic government since its inception in 1994. Nevertheless, since 1994 the democratic government has introduced various housing programmes in an effort to provide adequate houses for all South African citizens. One such housing programme is the hostel redevelopment programme. The hostel redevelopment programme was adopted by the democratic government after 1994 with the aim of, among other things, upgrading public hostels, redeveloping and converting the rooms in public hostels into family rental units in order to improve the living conditions of the hostel dwellers and introducing hostel dwellers to family life. The Mogale City Local Municipality (MCLM) is one of the municipalities in Gauteng province that is participating in the hostel redevelopment programme. The findings of this study have revealed that the upgrading of the Kagiso hostel involved the following two processes: During the first process, the MCLM upgraded the Kagiso hostel by fixing broken windows and doors, repairing toilets and providing basic municipal services such as electricity, water, and waste removal in order to improve the living conditions of the hostel dwellers. The second process involved demolishing the hostel blocks and converting them into family units in order to address the public housing challenges relevant to the Kagiso hostel. In this study, the hostel redevelopment programme is called process 1 and the community residential units (CRU) programme is called process 2. / Public Administration and Management / M. Tech. (Public Management)

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