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arXiv · 2609.21547

Do We Care About Personalization and Explainability? An Interview Study with News Recommendation Engineers

Jasmin Kareem·Siddharth Mehrotra·Martijn C. Willemsen·Maarten de Rijke
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Abstract

Research on explainability in recommender systems largely centers on end users, overlooking the perspectives of those who build and maintain these systems and their potential use cases such as model debugging. In this study, we examine how news engineers and related technical stakeholders perceive and implement personalization and explainability in practice. We conducted 15 semi-structured interviews across nine news organizations, spanning diverse regions in both public and private sectors, to investigate the challenges and motivations shaping their approaches. Our findings reveal that personalization is not always a straightforward or desirable choice for news organizations, as concerns around user tracking, editorial control, and resource constraints often limit its adoption. Even among organizations implementing personalized news recommender systems in production, explainability is rarely prioritized, with day-to-day operational demands frequently taking precedence over longer-term transparency goals. Definitions of explainability vary widely across organizations, though some demonstrate promising internal practices and visualization tools that facilitate communication between engineering teams and newsrooms. Based on our analysis, we provide actionable and practical guidelines for news engineers and researchers on how to adopt explainability methods within a news personalization pipeline.

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Jasmin Kareem, Siddharth Mehrotra, Martijn C. Willemsen, Maarten de Rijke. 2026-09-18. Do We Care About Personalization and Explainability? An Interview Study with News Recommendation Engineers. https://doi.org/10.1145/3773078.3831744

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