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Università della Svizzera italiana

Text mining for online mental health state and personality assessment

Ríssola, Esteban A. ; Crestani, Fabio (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2021 ; 2021INFO009.

Advances on psycho-linguistics have evidenced that the ways in which people use words could act as a reliable source to assess a wide array of behaviours. Language use acts as an indicator of the individuals’ current mental state, personality and even personal values. In this thesis, we focus on language analysis to study two closely related processes which encompass integral components of...

Université de Fribourg

Wiki2Prop : A Multimodal Approach for Predicting Wikidata Properties from Wikipedia

Luggen, Michael ; Audiffren, Julien ; Difallah, Djellel Eddine ; Cudré-Mauroux, Philippe

In: The Web Conference 2021, Ljubljana, Slovenia, April 12-23, 2021, 2021, p. 1-10

Wikidata is rapidly emerging as a key resource for a multitude of online tasks such as Speech Recognition, Entity Linking, Question Answering, or Semantic Search. The value of Wikidata is directly linked to the rich information associated with each entity – that is, the properties describing each entity as well as the relationships to other entities. Despite the tremendous manual and...

Université de Fribourg

Peer Grading the Peer Reviews : A Dual-Role Approach for Lightening the Scholarly Paper Review Process

Arous, Ines ; Yang, Jie ; Khayati, Mourad ; Cudré-Mauroux, Philippe

In: The Web Conference 2021, Ljubljana, Slovenia, April 12-23, 2021, 2021, p. 1-12

Scientific peer review is pivotal to maintain quality standards for academic publication. The effectiveness of the reviewing process is currently being challenged by the rapid increase of paper submissions in various conferences. Those venues need to recruit a large number of reviewers of different levels of expertise and background. The submitted reviews often do not meet the conformity...

Université de Fribourg

ORBITS : Online Recovery of Missing Values in Multiple Time Series Streams

Khayati, Mourad ; Arous, Ines ; Tymchenko, Zakhar ; Cudré-Mauroux, Philippe

In: Proceedings of the VLDB Endowment, 2020, vol. 14, no. 3, p. 294-306

With the emergence of the Internet of Things (IoT), time series streams have become ubiquitous in our daily life. Recording such data is rarely a perfect process, as sensor failures frequently occur, yielding occasional blocks of data that go missing in multiple time series. These missing blocks do not only affect real-time monitoring but also compromise the quality of online data analyses....

Université de Fribourg

Japanese City Pop abroad : findings from an online music community survey

Sommet, Moritz ; Kato, Ken

City Pop is a loosely defined musical genre that first emerged in Japan in the late 1970s. Having undergone several recontextualizations and revivals in its country of origin, the genre has recently gained an international following among young Internet users. The most enthusiastic of City Pop’s new fans meet in social media groups and online forums; as of late 2020, a dozen fan communities...

Université de Fribourg

The effects of anti-corruption videos on attitudes toward corruption in a Ukrainian online survey

Denisova-Schmidt, Elena ; Huber, Martin ; Prytula, Yaroslav

In: Eurasian Geography and Economics, 2019, p. 304-332

This paper presents the outcomes of an anti-corruption educational intervention among Ukrainian students based on an online experiment. More than 3,000 survey participants were randomly assigned to one of three different videos on corruption and its consequences (treatment groups) or a video on higher education (control group). The data suggest a high level of academic dishonesty and...

Haute école de gestion de Genève

French-speaking Swiss coffee consumer habits and coffee farmers’ living conditions

Dupont-Wuillemin, Fanny ; Shepherd, Mark (Dir.)

Mémoire de bachelor : Haute école de gestion de Genève, 2020 ; TDIBM 75.

The coffee industry and particularly coffee producers are facing difficult and challenging times. For years coffee prices have been falling and therefore producers have seen their revenue shrinking. This situation can be somewhat counterintuitive for French-speaking Swiss coffee consumers who have seen the selling price of their caffeine intake increase over time. However, the drop in coffee...

Haute école de gestion de Genève

The digital privacy paradox

Zurbirggen, Gina ; Markus, Gabor (Dir.)

Mémoire de bachelor : Haute école de gestion de Genève, 2020 ; TDIBM 76.

Over the past 10 years, numerous scandals involving personal data shocked the world. In 2013, the whistle blower Edward Snowden came forward and disclosed various worldwide government surveillance programs (Jill Lepore, 2019). In 2018 the Cambridge Analytica scandal erupted, revealing that the so-called behavior changing agency had without consent harvested the personal data of millions of...

Haute école de gestion de Genève

How to harness the potential of short food supply chains in Vaud ?

Di Vita, Jonas ; Depetris Chauvin, Nicolas (Dir.)

Mémoire de bachelor : Haute école de gestion de Genève, 2020 ; TDIBM 79.

This study aimed at analyzing the demand side of short food supply chains in the canton of Vaud to provide local farmers with recommendations about how to organize, market and promote the sale of local fruits and vegetables. While many elements in the analysis confirmed the findings of the existing literature, others brought a new understanding of consumers in Vaud. The consumer analysis led to...