Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO003.
Being developed with a single language in mind, namely Java, the Java Virtual Machine (JVM) nowadays is targeted by numerous programming languages. Automatic memory management, Just-In-Time (JIT) compilation, and adaptive optimizations provided by the JVM make it an attractive target for different language implementations. Even though being targeted by so many languages, the JVM has been tuned...
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Thèse de doctorat : Università della Svizzera italiana, 2019 ; 2019INFO008.
The main goal of a static type system is to prevent certain kinds of errors from happening at run time. A type system is formulated as a set of constraints that gives any expression or term in a program a well-defined type. Besides detecting these kinds of errors, a static type system can be an invaluable maintenance tool, can be useful for documentation purposes, and can aid in generating ...
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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 : Université de Fribourg, 2012.
Im Internetzeitalter ist der Webauftritt eines Unternehmens ein unverzichtbares Instrument der Information, Kommunikation und Transaktion geworden. Mit der stark steigenden Nutzung und der Abwicklung des Geschäfts über das Internet wird die Analyse und das Controlling der Website-Nutzung und des elektronischen Geschäfts – das Web Analytics – für Website-Betreiber eine wichtige Aufgabe....
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Thèse de doctorat : Università della Svizzera italiana, 2020 ; 2020INFO013.
Computational Geometry is a subfield of Algorithm Design and Analysis with a focus on the design and analysis of algorithms related to discrete geometric objects. The Voronoi diagram is one of the most important structures in Computational Geometry providing proximity information, which is applicable to many different fields of science. For a given set of points in the plane – called sites...
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Thèse de doctorat : Università della Svizzera italiana, 2015 ; 2015INFO007.
Voronoi diagrams and their numerous variants are well-established objects in computational geometry. They have proven to be extremely useful to tackle geometric problems in various domains such as VLSI CAD, Computer Graphics, Pattern Recognition, Information Retrieval, etc. In this dissertation, we study generalized Voronoi diagram of line segments as motivated by applications in VLSI Computer...
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Thèse de doctorat : Université de Fribourg, 2006 ; no. 1529.
Cette thèse porte sur le développement d’un système complet pour l’indexation automatique, centrée sur le document (DocMIR), de données multimédias issues d’environnements multimodaux tels que réunions, conférences, etc. Tant des méthodes de traitement d’images que de segmentation vidéo et d’analyse de document sont utilisées pour mettre en relation les données temporelles...
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Thèse de doctorat : Université de Fribourg, 2008 ; Nr. 1613.
This thesis describes general concepts of network management and the prototype implementation of a network management system software. The aim of the project Verinec (Verified Network Configuration) is to improve security and reliability in large, heterogeneous networks, while at the same time facilitate their administration. Using a centralised database of the entire network and services...
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Thèse de doctorat : Università della Svizzera italiana, 2011 ; 2011INFO010.
This thesis explores the phenomenon of user participation in peer production communities. In large-scale collaboration communities such as wikis, open source software development teams, and file-sharing groups, members are, in general, not remunerated for contributing to the digital common, so the incentives to participate in these projects are usually construed in terms of extrinsic benefits...
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Thèse de doctorat : Université de Fribourg, 2020 ; no. 2192.
Nous vivons une ère où la quantité d’informations échangées augmente rapidement. Cette quantité croissante de données fait que la capacité de stocker, d’analyser et d’agir sur les informations une préoccupation principale (en plus des problèmes apparents de confidentialité, juridiques et éthiques qui y sont liés), soulevant la question : “Comment peut-on consommer des...
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