Thèse de doctorat : Université de Fribourg, 2018 ; no. 2098.
When entering a new era of digital societies, a vast number of digital footprints left by users becomes a new source of the economic good. A heavy exploitation of Big data, artificial intelligence, cognitive computing, amongst others, makes the data more valuable implying that the risk to people’s privacy will be ever-increasing. Especially, when their privacy decisions are confronted with...
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Thèse de doctorat : Université de Fribourg, 2017.
In one of his publications Aristotle states ”All human beings by their nature desire to know” [Kraut 1991]. This desire is initiated the day we are born and accompanies us for the rest of our life. While at a young age our parents serve as one of the principle sources for knowledge, this changes over the course of time. Technological advances and particularly the introduction of the Internet,...
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Thèse de doctorat : Université de Fribourg, 2014 ; no. 1822.
As the use of the Internet proliferates, so does the amount of information available. With the introduction of Web 2.0, which includes users as content generators, finding relevant information is even more complex. To tackle this problem of information overload, a number of different techniques have been introduced, including search engines, Semantic Web, and recommender systems, among others....
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Thèse de doctorat : Université de Fribourg, 2013.
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Thèse de doctorat : Université de Fribourg, 2012 ; Nr. 1751.
“Inductive fuzzy classification” (IFC) is the process of assigning individuals to fuzzy sets for which membership functions are based on inductive inferences. In this thesis, different methods for membership function induction and multivariate aggregation are analyzed. For univariate membership function induction, the current thesis proposes the normalized comparisons (ratios and differences)...
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Thèse de doctorat : Université de Fribourg, 2012.
In the Internet economy and information society, corporate websites have become an essential instrument of information, communication and business transactions. With the increasing Web usage and shift of transactions to the Web, analysing and controlling website usage and e-business – Web analytics – is increasingly being recognized as an important task for website operators and e-business...
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Thèse de doctorat : Université de Fribourg, 2012.
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Thèse de doctorat : Université de Fribourg, 2012 ; no. 1742.
Online reputation management deals with monitoring and influencing the online record of a person, an organization or a product. The Social Web offers increasingly simple ways to publish and disseminate personal or opinionated information, which can rapidly have a disastrous influence on the online reputation of some of the entities.This dissertation can be split into three parts: In the first...
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Thèse de doctorat : Université de Fribourg, 2010.
The public health sector contains a multitude of actors, each with particular requirements. Nowadays, the information flow between these actors bases often on oral and paper-based communication. Especially between patients and their treating doctors electronic media is used seldomly. The resulting problems are obvious: the error rate is higher, the speed of communication considerably lower and...
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Thèse de doctorat : Université de Fribourg, 2010.
Der Gedanke der prozessorientierten Sicht reicht viele Jahrzente zurück, hat sich aber erst in jüngerer Zeit unter dem Gesichtspunkt von Kunden- und Resultatausrichtung, Qualitätssicherung, Supply Chain Management, Effizienzsteigerung und damit Wettbewerbsfähigkeit durchgesetzt. Der Wechsel von einer Aufbau- hin zu einer Prozessorganisation erfolgt initial im Entwurf und in der Umsetzung des...
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