Frame-based diversification in the MANNeR recommender increases predicted-frame novelty and measured normative diversity, but the gains are evaluated on the same auto-generated frame labels the system was optimized on.
Helberger, On the democratic role of news recommenders, in: Algorithms, automation, and news, Routledge, 2021, pp
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Leveraging Media Frames to Improve Normative Diversity in News Recommendations
Frame-based diversification in the MANNeR recommender increases predicted-frame novelty and measured normative diversity, but the gains are evaluated on the same auto-generated frame labels the system was optimized on.