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Linz Institute of Technology

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Selected work

Representative Papers

Robustness and User-Perceived Value of Popularity Calibration in Music Recommendation: A User Study

Aug 05, 2026

This study investigates whether popularity calibration genuinely enhances user experience in music recommendation and examines its reliability across varying levels of user listening history and item familiarity. The authors construct three types of playlists—high-popularity, low-popularity, and calibrated—and employ a controlled naive recommender to generate personalized lists. Calibration is quantified using Jensen–Shannon divergence (JSD), and subjective user feedback is collected through controlled experiments. This work presents the first systematic validation of JSD’s stability with respect to real users’ perceived calibration. Results indicate that while users can discern differences in popularity, they do not exhibit a significant preference for calibrated recommendations. Moreover, computed popularity labels show only weak alignment with users’ subjective judgments, and the relationship between JSD and perceived calibration is significantly moderated by item familiarity, playlist composition, and the availability of historical interaction data.

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Recent publications

Latest Papers

Robustness and User-Perceived Value of Popularity Calibration in Music Recommendation: A User Study

Aug 05, 2026

This study investigates whether popularity calibration genuinely enhances user experience in music recommendation and examines its reliability across varying levels of user listening history and item familiarity. The authors construct three types of playlists—high-popularity, low-popularity, and calibrated—and employ a controlled naive recommender to generate personalized lists. Calibration is quantified using Jensen–Shannon divergence (JSD), and subjective user feedback is collected through controlled experiments. This work presents the first systematic validation of JSD’s stability with respect to real users’ perceived calibration. Results indicate that while users can discern differences in popularity, they do not exhibit a significant preference for calibrated recommendations. Moreover, computed popularity labels show only weak alignment with users’ subjective judgments, and the relationship between JSD and perceived calibration is significantly moderated by item familiarity, playlist composition, and the availability of historical interaction data.

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