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    Université de Fribourg

    A Fuzzy-Based User Privacy Framework and Recommender System : Case of a Platform for Political Participation

    Kaskina, Aigul ; Meier, Andreas (Dir.)

    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...

    Université de Fribourg

    SmartParticipation : a fuzzy-based recommender system for political community-building

    Terán, Luis ; Meier, Andreas (Dir.)

    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....

    Université de Fribourg

    Inductive fuzzy classification in marketing analytics

    Kaufmann, Michael ; Meier, Andreas (Dir.)

    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)...

    Université de Fribourg

    Web Analytics : explorative Analyse zu Einsatz, Nutzen und Problemen

    Zumstein, Darius ; Meier, Andreas (Dir.)

    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...

    Université de Fribourg

    The FORA frame-work : a fuzzy grassroots ontology for online reputation management

    Portmann, Edy ; Meier, Andreas (Dir.)

    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...

    Université de Fribourg

    Modellierung, Entwicklung und Nutzung eines Data Warehouse für medizinische Communication Centers

    Ionas, Andreea ; Meier, Andreas (Dir.) ; Teufel, Stephanie (Codir.)

    Thèse de doctorat : Université de Fribourg, 2008.

    Das heutige Gesundheitssystem wird von den vielen Akteuren, den komplexen Beziehungen, den anspruchsvollen Patienten sowie dem veränderten Gesundheitsbewusstsein geprägt. Medizinische Communication Centers können als zentraler Kontaktpunkt zwischen Gesundheitssystem und Bevölkerung dienen. Durch die verschiedenen angebotenen medizinischen Dienstleistungen und die permanente Erreichbarkeit...