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< Back Platforms and Exposure Diversity: Towards a Framework to Assess Policies to Promote Exposure Diversity Ranaivoson, H. R., & Domazetovikj, N. (2023). Platforms and Exposure Diversity: Towards a Framework to Assess Policies to Promote Exposure Diversity. Media and Communication , 11 (2), 379-391. https://doi.org/10.17645/mac.v11i2.6401 The fragmentation of consumption and algorithms’ increasing impact on how content is recommended and displayed makes it even more important to analyse and promote exposure diversity, i.e., the extent to which audiences are exposed to, discover, and engage with diverse content. Although there is a growing literature addressing how to define media diversity in the context of the challenges posed by platformisation, this article translates the normative dimensions into a framework for operationalising exposure diversity into a tangible policy goal, taking into account datafication and its consequences in terms of increasing data requirements towards platforms. The main objective of this study is to analyse initiatives to assess exposure diversity in the platform era and to discuss how such assessment could be improved, particu‐ larly for policy initiatives. This involves addressing several challenges of existing approaches for the assessment of exposure diversity related to defining an appropriate frame of reference, determining the degree of diversity required, dealing with data transparency issues, and promoting user autonomy. To achieve this, we propose a framework for analysing initiatives aimed at assessing and promoting exposure to media diversity. Our framework is composed of four key features: measures (type of initiative), metrics (quantifying exposure diversity), data collection methods, and data requirements. We apply this framework to a set of 13 initiatives and find that policy initiatives can benefit from adopting metrics based on distances and experimenting with data collection methods. Platforms Previous Read the article Next

< Back Challenges and requirements for implementing due prominence: aligning stakeholder interests in Flanders Van der Elst, P., Afilipoaie, A., & Raats, T. (2025). Challenges and requirements for implementing due prominence: aligning stakeholder interests in Flanders. Frontiers in Communication, 10. https://doi.org/10.3389/fcomm.2025.1569132 Since the introduction of Article 7a in the Audiovisual Media Services Directive (AVMSD), which enables Member States to impose measures that ensure prominence of general interest services on user interfaces, discussions within media policy on the need of these measures have increased markedly. In Member States such as Germany, France, Italy and Ireland, commitments were already imposed on players offering user interfaces to audiovisual—and in some cases also audio—media services and content of general interest. This article presents the findings of a study examining the desirability and feasibility of implementing due prominence measures in Flanders (Belgium). The research adopts a media policy analytical approach and examines the (i) positions of the different stakeholders on the desirability and feasibility of a revised prominence regime, (ii) the extent to which interests across different stakeholders can be aligned and (iii) the considerations governments need to take into account when developing due prominence measures in Member States. The research is based on a stakeholder consultation conducted with broadcasters, television distributors, streaming services and hardware manufacturers operating in the Flemish market. The research is complemented with interviews with representatives of different market actors. The study identifies considerable oppositional logics between broadcasters and hardware manufacturers and raises challenges in defining the scope of ‘general interest’, the addressees of prominence measures, contextual factors such as markets size and path-dependency in media policy, and the commensurability between different existing legal frameworks at the national and EU level. The authors argue for clearer, more explicit guidelines at the EU level regarding the interpretation of Article 7a. Stakeholders Previous Read the article Next

< Back Public Service Media in the Age of Platforms PSM-AP Public service media (PSM) organizations have to compete with global streaming services (e.g. Netflix and YouTube), for audiences, revenue and talent. They have had to develop new on-demand services and online content that can only be delivered through the online systems owned by global platforms such as Google, Apple and Amazon. The PSM-AP project asks how PSM organisations, and the regulators and policymakers that legislate for and enforce their remits, are adapting to this new platform age, and how their responses might be altering the social and cultural values of PSM and its ability to operate in the public interest. It focuses on television, which remains at the heart of PSM. It asks how the new environment within which PSM organisations are operating might affect the values that underpin the production and distribution of TV programmes by PSM organizations, and the policy debates and regulatory structures that shape the remits and structures within which PSM organizations operate. The project will compare data gathered within and across six countries and 12 PSM organizations: Belgium (RTBF, VRT), Canada (CBC), Denmark (DR, TV 2), Italy (RAI), Poland (TVP), UK (BBC, Channel 4, S4C, ITV, Channel 5). Researchers on this project Catalina Iordache Guest Professor Tim Raats Associate Professor Consortium partners Aarhus University University of Leeds University of Warsaw Aarhus University 1/5 Tags Platforms, Media Policy Previous Next

< Back 10 trends in streaming market 1 Mar 2024 Report of the Living Lab project Discover the first deliverable of the Streaming Affordances for Small Media Markets living Lab project, in which the research team outlines 10 key trends in the international streaming market that have an impact on developments in the Flemish market (the report is in Dutch). The 10 trends highlight a diversification of genre and payment modules, and a quest of streamers for revenue and profit rather than market dominance and number of subscribers. Trendrapport voor 'proeftuin Streaming Affordances for Small Media Markets .pdf Download PDF • 3.74MB Previous Next

< Back Not One News Recommender To Fit Them All: How Different Recommender Strategies Serve Various User Segments Vandenbroucke, H., Maes, U., Michiels, L., & Smets, A. (2025). Not One News Recommender To Fit Them All: How Different Recommender Strategies Serve Various User Segments. In 19th ACM Conference on Recommender Systems Proceedings . ACM. Many news recommender systems (NRS) adopt a one-recommender-for-all approach, overlooking that users engage with news in fundamentally different ways. In this work, we identify user clusters based on various engagement metrics that go beyond clicks by employing cluster analysis on two real-world datasets: EB-NeRD and Adressa. Next to that, we evaluate the performance of common rec-ommender strategies: popularity, collaborative filtering (EASE and ItemKNN), and a content-based model across these user clusters, which exhibit varying reading behaviors and information needs. Our findings show that different recommender strategies are effective to varying degrees depending on the user cluster. This study contributes to NRS research by providing a grounded clustering of users derived from real-world datasets and emphasizes the importance of user-centered evaluations for understanding how NRS strategies serve audiences with varying levels of news engagement. Recommender Systems Previous Read the article Next

< Back What is Serendipity? An Interview Study to Conceptualize Experienced Serendipity in Recommender Systems Binst, B. , Michiels, L. & Smets, A. , 2025, (Accepted/In press).What is Serendipity? An Interview Study to Conceptualize Experienced Serendipity in Recommender Systems. Proceedings of the 33rd ACM Conference on User Modeling, Adaptation and Personalization Serendipity has been associated with numerous benefits in the context of recommender systems, e.g., increased user satisfaction and consumption of long-tail items. Despite this, serendipity in the context of recommender systems has thus far remained conceptually ambiguous. This conceptual ambiguity has led to inconsistent operationalizations between studies, making it difficult to compare and synthesize findings. In this paper, we conceptualize the user’s experience of serendipity. To this effect, we interviewed 17 participants and analyzed the data following the grounded theory paradigm. Based on these interviews, we conceptualize experienced serendipity as a user experience in which a user unintentionally encounters content that feels fortuitous, refreshing, and enriching. We find that all three components—fortuitous, refreshing and enriching—are necessary and together are sufficient to classify a user’s experience as serendipitous. However, these components can be satisfied through a variety of conditions. Our conceptualization unifies previous definitions of serendipity within a single framework, resolving inconsistencies by identifying distinct flavors of serendipity. It highlights underexposed flavors, offering new insights into how users experience serendipity in the context of recommender systems. By clarifying the components and conditions of experienced serendipity in recommender systems, this work can guide the design of recommender systems that stimulate experienced serendipity in their users, and lays the groundwork for developing a standardized operationalization of experienced serendipity in its many flavors, enabling more consistent and comparable evaluations. Recommender Systems Previous Read the article Next

< Back Join ALGEPI's workshop on Epistemic Welfare! 21 Mar 2024 What are the conditions under which the use of algorithms can contribute to, or threaten, epistemic welfare? “Epistemic Welfare“ stands as a cornerstone concept for understanding how individuals and groups interact with knowledge in today’s digital society. How do we define it? What is the conceptual and methodological framework for the concept? ALGEPI is organising its first annual workshop on the 12th of April 2024 from 10:00h to 13:00h CET to discuss what are the conditions under which the use of algorithms can contribute to, or threaten, epistemic welfare and how can we translate this into actionable parameters or metrics. Join us in the discussion! 🕙 Time: 10:00h to 13:00h CET. 🗓️ Date: 12th of April 2024 📍 Venue: Collegium Veteranorum (109-20) – Sint-Michielsstraat 2-4 , 3000 Leuven ( 02.10 – MGR. O. ROMEROZAAL ). Are you planning to attend? Places are limited and will be allocated on a first come first served basis so please let us know by sending us an email ! Registrations will close on the 5th April 2024. In the meantime, if you would like to learn more, have a look at our concept note dissecting the concept of epistemic welfare ! ➡︎ Read the full programme here . Previous Next

< Back Exploring Ethical and Regulatory Challenges of AI Integration in European Union Newsrooms Lefèvre, B., Errando, A., Afilipoaie, A., Ranaivoson, H., & Wiart, L. (2025). Exploring ethical and regulatory challenges of AI integration in European Union newsrooms. Media Studies , 16 (31), 31-55. Artificial Intelligence (AI) has significantly reshaped the news media landscape in the fast-evolving digital ecosystem. While recent legislative measures and industry self-regulation initiatives have emerged to address AI’s implications, the ethical challenges associated with its adoption in European Union (EU) newsrooms and the ways news media organisations navigate regulatory frameworks and internal initiatives remain underexplored. This study aims to bridge this gap by examining the conditions under which AI tools are integrated into media organisations from both organisational and regulatory perspectives. Drawing on an analysis of 30 key documents and 41 in-depth interviews with media professionals and regulatory experts across three EU markets, the study uncovers key findings: a limited discourse on AI use in media organisations, significant disparities in AI implementation practices, and an absence of clear, actionable regulatory guidelines for addressing considerations in AI-driven news content. Platforms Previous Read the article Next

< Back Lien Michiels Postdoctoral Researcher lien.michiels@vub.be Lien Michiels is a Postdoctoral Researcher at imec-SMIT, Vrije Universiteit Brussel and the Adrem Data Lab in the Department of Computer Science at the University of Antwerp. Her research focuses on diversity, discovery and filter bubbles in recommender systems. Previously, she combined her PhD research with her work as a Machine Learning Engineer at Froomle , who provide their recommendation platform as a service to media companies around the globe. She obtained a master's degree in Mathematical Engineering at the KULeuven in 2017. Visit my research profile

< Back AI Summer School 2025 21 Jul 2025 Aina's recap of the AI Summer School at KU Leuven Aina Errando started the summer of 2025 with the AI Summer School at KU Leuven , organised by the Centre for IT & IP Law (CiTiP). As a PhD researcher within the ALGEPI project, she was selected to join the 5th edition of this summer school. The programme brought together an interdisciplinary and international cohort of researchers, legal scholars, and professionals to explore some of the most pressing regulatory and ethical challenges in the field of artificial intelligence (AI). Over two intensive weeks , participants engaged with a broad spectrum of topics, including: The EU AI Act, Digital Services Act (DSA), and Digital Markets Act (DMA) The Council of Europe’s Framework Convention on AI, Human Rights, Democracy and the Rule of Law The OECD AI Principles and UNESCO’s Recommendation on the Ethics of AI Critical discussions on AI auditing, transparency, fairness, and accountability The sessions were led by renowned scholars and practitioners , and their contributions created an intellectually rich and challenging environment that encouraged participants to critically reflect on the intersections between law, ethics, and AI innovation . During the programme, Aina had the opportunity to present her work-in-progress titled “Regulating the News(rooms): Between AI Policies and Editorial Realities in Europe” , developed as part of the ALGEPI project . Furthermore, one of the programme’s highlights was a gamified group challenge , where participants were assigned roles in a fictional regulatory debate. Aina and her team were tasked with unconditionally defending regulatory sandboxes under the AI Act. The AI Summer School came at a particularly relevant time, as institutions across Europe are working on implementing the AI Act, as well as other digital regulations and policies. The programme offered an opportunity to gain practical insights into how regulation is interpreted, contested, and applied across different sectors and jurisdictions. Previous Next

< Back Publishing public service media on demand: A comparative study of public service media companies’ editorial practices on their VoD services in the age of platformization Bruun, H., Johnson, C., Lassen, J. M., Nucci, A., Raats, T., & Świtkowski, F. (2025). Publishing public service media on demand: A comparative study of public service media companies’ editorial practices on their VoD services in the age of platformization. Journal of Digital Media & Policy . This article contributes to the emerging empirical research on the editorial practices of video-on-demand (VoD) publishing in European public service media (PSM). It presents results from a comparative study of the editorial practices visible on the VoDs from ten PSM companies across six countries: United Kingdom, Belgium, Poland, Italy, Canada and Denmark. The aim of the article is to map and compare the editorial practices in the ‘prime space’ of the VoD services and the ‘prime time’ of the companies’ main linear channels. The analysis is based on data from a sample week of 13–19 November 2023. The article contributes to research addressing the key issue of universality in terms of content and discusses the conceptualizations of the audience that seem to be at work in the transition towards an online PSM identity. Public Service Media, Platforms Previous Read the article Next

< Back Pieter Ballon Full Professor pieter.ballon@vub.be Professor Pieter Ballon is Professor in the Department of Communication Sciences, director of imec-SMIT and Vice-Rector of Research at the Vrije Universiteit Brussel. He is also co-founder of the European Network of Living Labs and of the Hannah Arendt Institute. Prof. Ballon holds a PhD in Communication Sciences and an MA in Modern History. He is the co-founder of the European Network of Living Labs, the Open Agile Smart Cities network and the Hannah Arendt Institute. From 2017 to 2021, he was the VUB Academic Chair on Smart Cities. His expertise lies in Digital Platforms, Business Model Innovation and Smart Cities, on the subject of which he has a.o. published the popular book “Smart Cities : hoe technologie onze steden leefbaar houdt en slimmer maakt” . Visit my research profile