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Université de Fribourg

Unsupervised and Parameter-Free Clustering of Large Graphs for Knowledge Exploration and Recommendation

Lutov, Artem ; Cudré-Mauroux, Philippe (Dir.)

Thèse de doctorat : Université de Fribourg, 2020 ; no. 2192.

We live in an Information Age, facing a rapid increase in the amount of information that is exchanged. This permanently growing amount of data makes the ability to store, analyze, and act upon information a primary concern (in addition to the obvious privacy, legal and ethical issues that are related), raising the question: “How can one consume Big Data and transformit into actionable...

Université de Neuchâtel

The foraging ecology of two neighbouring chimpanzee communities from Budongo Forest

Villioth, Jakob ; Newton-Fisher, Nicholas E. (Dir.) ; Zuberbühler, Klaus (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

Chimpanzees (Pan troglodytes) often serve as a model species to test socio-ecological theories of foraging behaviour. Due to a high degree of fission-fusion dynamics, essential foraging variables, such as group size, patch size and travel distance, are expected to be more closely linked in chimpanzees than in animals that forage in cohesive groups. While it has been clearly established...

Université de Neuchâtel

An electroencephalographic approach to the processing of ambiguous stimuli under social influence : the role of perception, attention, emotion and metacognition

Zanesco, Julie ; Clément, Fabrice (Dir.) ; Pegna, Alan J. (Codir.) ; Maurer, Roland (Codir.) ; Krummenacher, Joseph (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

Humans, as social beings, are susceptible to social influence in their judgements, beliefs and behaviours. Over the last 70 years, a great wealth of data from experimental social psychology has demonstrated that social knowledge affects the way humans perceive and interpret their environment, giving rise to cognitive, perceptual, attentional and motivational biases. Already in the 1950’s,...

Université de Neuchâtel

Memories of the "liberation of Kosovo" among Albanian-speaking activists in Switzerland : narrating transnational belonging to the nation

Farquet, Romaine ; Dahinden, Janine (Dir.) ; Duijzings, Ger (Codir.) ; Schwander-Sievers, Stephanie (Codir.) ; Lacroix, Thomas (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

The Albanian-speaking population living in Switzerland mobilised massively on behalf of the national cause in Kosovo in the 1990s. After the end of the conflict, that saw the departure of the Serbian forces from Kosovo (1999), some of the Albanian-speaking activists from Switzerland returned to their homeland. Many others remained in Switzerland, where they largely diminished or terminated their...

Université de Neuchâtel

Persistance de processus de Markov déterministes par morceaux

Strickler, Edouard Antoine ; Benaïm, Michel (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

This thesis is devoted to the study of the long-term behaviour of Piecewise Deterministic Markov Processes (PDMP). That is, a process (Xt,It)t≥0 living in ℝd × E with E a finite space, where X is continuous and evolves between the jumps of I as dXt / dt = FIt (Xt),...

Université de Neuchâtel

Leaving Sri Lanka again ? : migration intentions of Sri Lankans being back from Switzerland

Stuber, Lea ; Piguet, Etienne (Dir.)

Mémoire de master : Université de Neuchâtel, 2019.

Many Sri Lankan nationals live in places outside Sri Lanka, among other reasons, due to the long-standing civil war. As the conflict ended in 2009, some of them decided ‘freely’ to return to Sri Lanka. However, others were forced to return to Sri Lanka as they weren’t granted asylum anymore. In the case of Switzerland and Sri Lanka, there exists no particular research on the social...

Université de Neuchâtel

Groundwater recharge dynamics by snowmelt

Meeks, Jessica ; Hunkeler, Daniel (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2018.

Understanding the recharge mechanisms for karst aquifers is of great importance because these aquifers are relied upon by a quarter of Earth’s population, and because their recharge and discharge dynamics are often strongly coupled. Given this coupling, karst groundwater resources are inherently susceptible to surface processes such as climate, where the timing and volume of water infiltration...

Université de Neuchâtel

Oxidative stress as a life history constraint : pespectives from a bat species with alternative reproductive tactics

Meniri, Magali ; Helfenstein, Fabrice (Dir.) ; Fasel, Nicolas (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2018.

In this thesis, I investigated the role of oxidative stress (OS) as a constraint for life history traits, using Seba’s short-tailed bats (Carollia perspicillata) as a model species. In this species, males exhibit three alternative reproductive tactics having unequal pay-offs, and whose acquisition could be impacted by early life conditions. First, I studied the effect of OS as a...

Université de Neuchâtel

Ethnic discrimination in the Swiss labour market - Ethnic hierarchies in correspondence test results

Zschirnt, Eva ; D'Amato, Gianni (Dir.) ; Bonoli, Giuliano (Codir.) ; Haagensen, Arnfinn (Codir.) ; Rich, Judy (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2018.

As a part of the NCCR on the move’s individual project on “Discrimination as an obstacle to social cohesion”, this dissertation focuses on the discrimination of ethnic minorities in the Swiss labour market. Since discrimination is no longer an overt and thus easily observable phenomenon, research on discrimination, and especially on discrimination in hiring decisions has become more...

Université de Neuchâtel

Evolution of moonwort ferns ("Botrychium", Ophioglossaceae) on local to global scales

Dauphin, Benjamin ; Grant, Jason (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2017.

Plants have long fascinated biologists by their ability to form cryptic species, hybrids between distinct species, large and stable genome sizes, and a wide variety of mating systems among taxa that have driven to the current plant biodiversity. More than 450 million year ago, vascular plants emerged and colonized the land. Rapidly, they dispersed to explore new habitats and diversified in...