Gianni Fenu

2026

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FoodNexus: Massive Food Knowledge for Recommender Systems.
Marisa Llorens-Salvador|Gianni Fenu|Ludovico Boratto|Gianni Fenu|Marisa Llorens-Salvador|Mirko Marras|Sarah Jane Delany|Mirko Marras|Sarah Jane Delany|Giacomo Medda|Giovanni Zedda
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part IV

2025

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GNNUERS: Fairness Explanation in GNNs for Recommendation via Counterfactual Reasoning.
Giacomo Medda|Francesco Fabbri|Mirko Marras|Ludovico Boratto|Gianni Fenu
ACM Transactions on Intelligent Systems and Technology (TIST) 2025 Volume 16 Issue 1
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hopwise: A Python Library for Explainable Recommendation based on Path Reasoning over Knowledge Graphs.
Ludovico Boratto|Gianni Fenu|Mirko Marras|Giacomo Medda|Alessandro Soccol
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

2024

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EDGE: A Conversational Interface driven by Large Language Models for Educational Knowledge Graphs Exploration.
Neda Afreen|Giacomo Balloccu|Ludovico Boratto|Gianni Fenu|Francesca Maridina Malloci|Mirko Marras|Andrea Giovanni Martis
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Robustness in Fairness Against Edge-Level Perturbations in GNN-Based Recommendation.
Ludovico Boratto|Francesco Fabbri|Gianni Fenu|Mirko Marras|Giacomo Medda
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part III
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Explainable Recommender Systems with Knowledge Graphs and Language Models.
Giacomo Balloccu|Ludovico Boratto|Gianni Fenu|Francesca Maridina Malloci|Mirko Marras
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V

2023

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Practical perspectives of consumer fairness in recommendation.
Ludovico Boratto|Gianni Fenu|Mirko Marras|Giacomo Medda
Information Processing and Management 2023 Volume 60 Issue 2
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Counterfactual Graph Augmentation for Consumer Unfairness Mitigation in Recommender Systems.
Ludovico Boratto|Francesco Fabbri|Gianni Fenu|Mirko Marras|Giacomo Medda
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
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Knowledge is Power, Understanding is Impact: Utility and Beyond Goals, Explanation Quality, and Fairness in Path Reasoning Recommendation.
Giacomo Balloccu|Ludovico Boratto|Christian Cancedda|Gianni Fenu|Mirko Marras
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part III

2022

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Consumer Fairness in Recommender Systems: Contextualizing Definitions and Mitigations.
Ludovico Boratto|Gianni Fenu|Mirko Marras|Giacomo Medda
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part I
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Post Processing Recommender Systems with Knowledge Graphs for Recency, Popularity, and Diversity of Explanations.
Giacomo Balloccu|Ludovico Boratto|Gianni Fenu|Mirko Marras
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
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Regulating Group Exposure for Item Providers in Recommendation.
Mirko Marras|Ludovico Boratto|Guilherme Ramos|Gianni Fenu
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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Connecting user and item perspectives in popularity debiasing for collaborative recommendation.
Ludovico Boratto|Gianni Fenu|Mirko Marras
Information Processing and Management 2021 Volume 58 Issue 1

2020

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Evaluation Framework for Context-aware Speaker Recognition in Noisy Smart Living Environments.
Gianni Fenu|Roberta Galici|Mirko Marras
Proceedings of the CIKM 2020 Workshops co-located with 29th ACM International Conference on Information and Knowledge Management (CIKM 2020), Galway, Ireland, October 19-23, 2020.

2019

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The Effect of Algorithmic Bias on Recommender Systems for Massive Open Online Courses.
Ludovico Boratto|Gianni Fenu|Mirko Marras
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I

2018

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Employing Document Embeddings to Solve the "New Catalog" Problem in User Targeting, and Provide Explanations to the Users.
Ludovico Boratto|Salvatore Carta|Gianni Fenu|Luca Piras
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings
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BarcelonaNow: Empowering Citizens with Interactive Dashboards for Urban Data Exploration.
Mirko Marras|Matteo Manca|Ludovico Boratto|Gianni Fenu|David Laniado
Companion Proceedings of the The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018