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Università della Svizzera italiana

Hard and soft EM in bayesian network learning from incomplete data

Ruggieri, Andrea ; Stranieri, Francesco ; Stella, Fabio ; Scutari, Marco

In: Algorithms, 2020, vol. 13, no. 12, p. 17

Incomplete data are a common feature in many domains, from clinical trials to industrial applications. Bayesian networks (BNs) are often used in these domains because of their graphical and causal interpretations. BN parameter learning from incomplete data is usually implemented with the Expectation-Maximisation algorithm (EM), which computes the relevant sufficient statistics (“soft EM”) ...

Université de Fribourg

Cooperation and Mistrust in Relational Contracts

Herz, Holger ; Schmutzler, Armin ; Volk, André

In: Journal of Economic Behavior and Organization, 2019, vol. 166, p. 366-380

Work and trade relationships are often governed by relational contracts, in which incentives for cooperative action today stem from the prospective future benefits of the relationship. In this paper, we study how a lack of hard information about the costs of providing quality, and therefore about the financial consequences of actions, affects relational contracts in buyer-seller...

Haute école de gestion de Genève

Impacts of the technology on the workforce in the banking industry in Switzerland

Ravalimanana, Lova ; Cognasse, Yvan (Dir.)

Mémoire de bachelor : Haute école de gestion de Genève, 2020 ; TDIBM 88.

This research intends to understand the current environment of banks in Switzerland including the regulatory changes, the arrival of aggressive competitors and the changes in the clients’ consumption patterns. These ongoing changes have enforced banks to reinvent themselves by leveraging digital. This study is examining the direct impacts of the exploitation of technology on the workforce...

Haute école de gestion de Genève

A decision-supporting framework for job automation and soft skills development, with job criticality as a linchpin

Riva, Goga

Mémoire de bachelor : Haute école de gestion de Genève, 2020 ; TDIBM 101.

The Fourth Industrial Revolution represents both challenges and opportunities for companies, but more importantly, it raises questions about what decisions should be made and what their implications would be. There are two dimensions to this new era of economic disruption that can be seen as opposed or complementary: job automation and soft skill development for humans. Often, discussing...

Université de Fribourg

Dental anomaly in a middle Miocene fossil of the genus Spermophilinus (Rodentia, Sciuridae) from southern Germany

Prieto, Jérôme ; Rummel, Michael ; Peláez-Campomanes, Pablo ; Vasilyan, Davit

In: Fossil Imprint, 2020, vol. 76, no. 1, p. 174-180

The maxillary presented in this work has been excavated in the middle Miocene karst filling Petersbuch 136 (Germany, Bavaria) and shows the oldest evidence of dental anomaly in a sciurid. The aberrant morphology, probably hyperdontia or no replacement of roots of deciduous teeth, affects the area of the P3, a tooth that is generally not well documented in the Spermophilinus record.

Université de Fribourg

Pathways and challenges towards a complete characterization of microgels

Scheffold, Frank

In: Nature Communications, 2020, vol. 11, no. 1, p. 4315

Due to their controlled size, sensitivity to external stimuli, and ease-of-use, microgel colloids are unique building blocks for soft materials made by crosslinking polymers on the micrometer scale. Despite the plethora of work published, many questions about their internal structure, interactions, and phase behavior are still open. The reasons for this lack of understanding are the...

Université de Fribourg

Fish, amphibian and reptilian assemblage from the middle Miocene locality Gračanica—Bugojno palaeolake, Bosnia and Herzegovina

Vasilyan, Davit

In: Palaeobiodiversity and Palaeoenvironments, 2020, vol. 100, no. 2, p. 437–455

This paper presents the first fossil fish, amphibian and reptilian fauna from Bosnia and Herzegovina Dinarides. The fauna of ectothermic vertebrates of the Bugojno palaeolake, dated to 15.2–14.0 Ma, composes of killifishes (Cyprinodontiformes indet.), a barb (Barbini indet. (aff. Barbus), a crocodile newt (Chelotriton sp.), a painted frog (Latonia sp.) and a crocodile (Alligatoroidea indet....

Université de Fribourg

Soft, implantable bioelectronic interfaces for translational research

Schiavone, Giuseppe ; Fallegger, Florian ; Kang, Xiaoyang ; Barra, Beatrice ; Vachicouras, Nicolas ; Roussinova, Evgenia ; Furfaro, Ivan ; Jiguet, Sébastien ; Seáñez, Ismael ; Borgognon, Simon ; Rowald, Andreas ; Li, Qin ; Qin, Chuan ; Bézard, Erwan ; Bloch, Jocelyne ; Courtine, Grégoire ; Capogrosso, Marco ; Lacour, Stéphanie P.

In: Advanced Materials, 2020, vol. 32, no. 17, p. 1906512

The convergence of materials science, electronics, and biology, namely bioelectronic interfaces, leads novel and precise communication with biological tissue, particularly with the nervous system. However, the translation of lab‐ based innovation toward clinical use calls for further advances in materials, manufacturing and characterization paradigms, and design rules. Herein, a ...