It ain't easy: using normatively motivated news diversification to facilitate policy support, tolerance, and political participation

N Mattis, PK Masur, J Moeller… - Information …, 2024 - Taylor & Francis
Proponents of 'democratic news recommender design'argue that algorithmic news
diversification may facilitate democratic participation. However, while various news …

Recommendations for the recommenders: Reflections on prioritizing diversity in the recsys challenge

L Heitz, S Vrijenhoek, O Inel - Proceedings of the Recommender …, 2024 - dl.acm.org
The RecSys Challenge 2024, co-organized by the Danish news outlet Ekstra Bladet, called
for participants to develop a news recommender system that accurately predicts which news …

A multi-factorial analysis of polarization on social media

C Treuillier, A Brun, S Castagnos - Adjunct Proceedings of the 31st ACM …, 2023 - dl.acm.org
Polarization is an increasingly worrying phenomenon within social media. Recent work has
made it possible to detect and even quantify polarization. Nevertheless, the few existing …

Gaining a better understanding of online polarization by approaching it as a dynamic process

C Treuillier, S Castagnos, C Lagier, A Brun - Scientific Reports, 2024 - nature.com
Polarization is often a cliché, its conceptualization remains approximate and no consensus
has been reached so far. Often simply seen as an inevitable result of the use of social …

It's (not) all about that CTR: A Multi-Stakeholder Perspective on News Recommender Metrics

H Vandenbroucke, A Smets - Proceedings of the 18th ACM Conference …, 2024 - dl.acm.org
Recommender systems are increasingly used by news media organizations. Existing
literature examines various aspects of news recommender systems (NRS) from a …

Deliberative Diversity for News Recommendations: Operationalization and Experimental User Study

L Heitz, JA Lischka, R Abdullah, L Laugwitz… - Proceedings of the 17th …, 2023 - dl.acm.org
News recommender systems are an increasingly popular field of study that attracts a
growing interdisciplinary research community. As these systems play an essential role in our …

How to Diversify any Personalized Recommender? A User-centric Pre-processing approach

M Slokom, L Hollink - arXiv preprint arXiv:2405.02156, 2024 - arxiv.org
In this paper, we introduce a novel approach to improve the diversity of Top-N
recommendations while maintaining recommendation performance. Our approach employs …

All Polarized but Still Different: a Multi-factorial Metric to Discriminate between Polarization Behaviors on Social Media

C Treuillier, S Castagnos, A Brun - … of the 39th ACM/SIGAPP Symposium …, 2024 - dl.acm.org
Online polarization has attracted the attention of researchers for many years. Its effects on
society are a cause for concern, and the design of personalized depolarization strategies …

IDEA–Informfully Dataset with Enhanced Attributes

L Heitz, N Mattis, O Inel, W van Atteveldt - 2024 - zora.uzh.ch
In this paper, we present the Informfully Dataset with Enhanced Attributes (IDEA) for news
article recommendations. The dataset consists of an open-source collection of user profiles …

[PDF][PDF] Classification of Normative Recommender Systems.

L Heitz - NORMalize@ RecSys, 2023 - researchgate.net
Recommender systems are a primary source for providing user-facing information in a
variety of mediums and domains, ranging from movies and news to job advertisements. The …