2023

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Fourth International Workshop on Algorithmic Bias in Search and Recommendation (Bias 2023)
Ludovico Boratto | Stefano Faralli | Mirko Marras | Giovanni Stilo
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part III

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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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Guest editorial of the IPM special issue on algorithmic bias and fairness in search and recommendation
Ludovico Boratto | Stefano Faralli | Mirko Marras | Giovanni Stilo
2022 Volume 59 Issue 1

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Provider fairness across continents in collaborative recommender systems
Elizabeth Gómez | Ludovico Boratto | Maria Salamó
2022 Volume 59 Issue 1

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Recency, Popularity, and Diversity of Explanations in Knowledge-based Recommendation
Giacomo Balloccu | Ludovico Boratto | Gianni Fenu | Mirko Marras
Proceedings of the 12th Italian Information Retrieval Workshop 2022, Milan, Italy, June 29-30, 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

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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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Do Graph Neural Networks Build Fair User Models? Assessing Disparate Impact and Mistreatment in Behavioural User Profiling
Erasmo Purificato | Ludovico Boratto | Ernesto William De Luca
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 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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Third International Workshop on Algorithmic Bias in Search and Recommendation (BIAS@ECIR2022)
Ludovico Boratto | Stefano Faralli | Mirko Marras | Giovanni Stilo
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II

2021

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Integrating Collaboration and Leadership in Conversational Group Recommender Systems
David Contreras | Maria Salamó | Ludovico Boratto
2021 Volume 39 Issue 4

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

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Combining Mitigation Treatments against Biases in Personalized Rankings: Use Case on Item Popularity
Ludovico Boratto | Gianni Fenu | Mirko Marras
Proceedings of the 11th Italian Information Retrieval Workshop 2021, Bari, Italy, September 13-15, 2021

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Advances in Bias-aware Recommendation on the Web
Ludovico Boratto | Mirko Marras
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021

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The Winner Takes it All: Geographic Imbalance and Provider (Un)fairness in Educational Recommender Systems
Elizabeth Gómez | Carlos Shui Zhang | Ludovico Boratto | Maria Salamó | Mirko Marras
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

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Reputation Equity in Ranking Systems
Guilherme Ramos | Ludovico Boratto | Mirko Marras
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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Evaluating the Prediction Bias Induced by Label Imbalance in Multi-label Classification
Luca Piras | Ludovico Boratto | Guilherme Ramos
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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Second International Workshop on Algorithmic Bias in Search and Recommendation (BIAS@ECIR2021)
Ludovico Boratto | Stefano Faralli | Mirko Marras | Giovanni Stilo
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

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From the Beatles to Billie Eilish: Connecting Provider Representativeness and Exposure in Session-Based Recommender Systems
Alejandro Ariza | Francesco Fabbri | Ludovico Boratto | Maria Salamó
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

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Disparate Impact in Item Recommendation: A Case of Geographic Imbalance
Elizabeth Gómez | Ludovico Boratto | Maria Salamó
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I

2020

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Report on the international workshop on algorithmic bias in search and recommendation (Bias 2020)
Ludovico Boratto | Stefano Faralli | Mirko Marras | Giovanni Stilo
2020 Volume 54 Issue 1

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ECIR 2020 workshops: assessing the impact of going online
Sérgio Nunes | Suzanne Little | Sumit Bhatia | Ludovico Boratto | Guillaume Cabanac | Ricardo Campos | Francisco M. Couto | Stefano Faralli | Ingo Frommholz | Adam Jatowt | Alípio Jorge | Mirko Marras | Philipp Mayr | Giovanni Stilo
2020 Volume 54 Issue 1

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On the negative impact of social influence in recommender systems: A study of bribery in collaborative hybrid algorithms
Guilherme Ramos | Ludovico Boratto | Carlos Caleiro
2020 Volume 57 Issue 2

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Reputation (In)dependence in Ranking Systems: Demographics Influence Over Output Disparities
Guilherme Ramos | 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

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International Workshop on Algorithmic Bias in Search and Recommendation (Bias 2020)
Ludovico Boratto | Mirko Marras | Stefano Faralli | Giovanni Stilo
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II

2019

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Guest editorial: social media for personalization and search
Ludovico Boratto | Andreas Kaltenbrunner | Giovanni Stilo
2019 Volume 22 Issue 1-2

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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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Report on the Workshop on Social Aspects in Personalization And Search (SoAPS)
Ludovico Boratto | Giovanni Stilo
2018 Volume 52 Issue 1

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Preface and Keynote's Talk of the Workshop on Social Interaction-based Recommendation (SIR 2018)
Ludovico Boratto | Stefano Faralli | Christian Morbidoni | Gabriella Pasi | Giovanni Stilo
Proceedings of the CIKM 2018 Workshops co-located with 27th ACM International Conference on Information and Knowledge Management (CIKM 2018), Torino, Italy, October 22, 2018

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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 of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 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

2017

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Report on the Workshop on Social Media for Personalization And Search (SoMePeAS)
Ludovico Boratto | Andreas Kaltenbrunner | Giovanni Stilo
2017 Volume 51 Issue 1

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Proceedings of the Workshop on Social Media for Personalization and Search co-located with 39th European Conference on Information Retrieval, SoMePeAS@ECIR 2017, Aberdeen, Scotland, UK, April 9, 2017

Proceedings of the Workshop on Social Media for Personalization and Search co-located with 39th European Conference on Information Retrieval, SoMePeAS@ECIR 2017, Aberdeen, Scotland, UK, April 9, 2017

2016

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Group Recommender Systems: State of the Art, Emerging Aspects and Techniques, and Research Challenges
Ludovico Boratto
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

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