Guilherme Ramos
2022
Regulating Group Exposure for Item Providers in Recommendation
Mirko Marras
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Ludovico Boratto
|
Guilherme Ramos
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Gianni Fenu
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
2021
Reputation Equity in Ranking Systems
Guilherme Ramos
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Ludovico Boratto
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Mirko Marras
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
Evaluating the Prediction Bias Induced by Label Imbalance in Multi-label Classification
Luca Piras
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Ludovico Boratto
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Guilherme Ramos
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
2020
On the negative impact of social influence in recommender systems: A study of bribery in collaborative hybrid algorithms
Guilherme Ramos
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Ludovico Boratto
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Carlos Caleiro
2020 Volume 57 Issue 2
Reputation (In)dependence in Ranking Systems: Demographics Influence Over Output Disparities
Guilherme Ramos
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Ludovico Boratto
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020