Thèse de doctorat : Università della Svizzera italiana, 2005.
The quality of web sites (or more in general interactive applications) may be improved taking into account the activity of usability evaluation, in which the quality for the endusers is defined and established. One of the most serious problems related to usability field is that usability evaluation methods often were not defined to be effectively reused by the people who did not invent them. The...
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Thèse de doctorat : Università della Svizzera italiana, 2005 ; 2005COM004.
A common opinion in the Requirements Traceability field is that solution design, i.e. the design of the application solutions, may be derived directly from requirements refinement; according to current industrial practices and to some specific experiences, this dissertation proposes a different thesis: the design process is not a fully rational and explicit sequence of actions; designers keep...
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Thèse de doctorat : Université de Fribourg, 2006.
The software industry has become a key industry in many developing countries because of the application of information technology in business, manufacturing and many other sectors. Software development produces higher value addition compared to other industries with more skilled human resources. Software project management is an interesting issue of both researchers and managers. Software...
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Thèse de doctorat : Università della Svizzera italiana, 2006 ; 2006COM002.
Communication is virtually impossible when interlocutors lack the ability to negotiate meanings. The intended semantics of the language used by a sender should be perceived and mastered by its receiver/s. For this reason the sender should always vision and identify himself in the receiver in order to design the most clear and proper signs with respect to her/his knowledge. Web sites are complex...
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In: Proceedings of EDMEDIA 2004, Lugano, Switzerland, 2004, vol. 1, p. 4398
This paper presents a proven and reusable methodology (MiLE) for performing a cost-effective usability evaluation of an e-learning web application. MiLE is a scenario-driven inspection technique which is based on the concepts of user profile, user goal, scenario, and usability attribute. Mitigating the drawbacks and merging the respective benefits of state-of-the-art methods for usability...
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In: Proceedings of EDMEDIA 2005, Montreal, Canada, 2005, vol. 1, p. 1104
The Edukalibre development approach described here offers libre educational tools based on open development model. The paper presents a development-oriented evaluation approach comprising three phases. Phase 1 focused on rapid and distributed usability inspections producing development-oriented feedback for designers, and was built around a usability inspection framework. Phase 2 was conducted...
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Thèse de doctorat : Université de Fribourg, 2004 ; no 1458.
Les mondes virtuels distribués sont des applications multi-utilisateurs fonctionnant sur plusieurs machines reliées par un réseau. Ils vont au-delà du "World Wide Web" traditionnel basé sur les documents car plusieurs utilisateurs, évoluant au sein d'un espace commun et conscients de leur présence mutuelle, peuvent y interagir. L'enseignement à distance, la télemédecine, les jeux...
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Thèse de doctorat : Université de Fribourg, 2002 ; no 1393.
This dissertation addresses three fundamental problems, which have to be handled in application domains like ubiquitous computing and Web services. The three problems heterogeneity, static configuration, and dynamic configuration are not only considered to persist during the near future but to increase, as similar application domains will emerge. The heterogeneity problem is defined and examples...
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Thèse de doctorat : Università della Svizzera italiana, 2003.
Web application development still needs to employ effective methods to accommodate some distinctive aspects of the requirements analysis process: capturing high-level communication goals, considering several user profiles and stakeholders, defining hypermedia-specific requirements (concerning navigation, content, information structure and presentation aspects), and reusing requirements for an...
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Thèse de doctorat : Università della Svizzera italiana, 2004 ; 2004COM001.
The World Wide Web provides great opportunities for creating virtual classrooms of learners and instructors involved in distance education. Many software environments take advantage of the client-server communication on the Internet and support open and distance learning. Using environments called Course Management Systems (CMS), instructors can distribute information to students, produce content...
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