IR
Anthology
Community
Ludovico
Boratto
2026
doi
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Statistical Filtering for Fair Item Ranking.
Guilherme Ramos
|
Ludovico Boratto
|
Mirko Marras
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4
doi
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Bribery-Resistant Ranking Systems: A Multipartite User-Agnostic Framework for AI Act Compliance.
Martim Baltazar
|
Ludovico Boratto
|
Mirko Marras
|
Guilherme Ramos
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part I
doi
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A Reproducible and Fair Evaluation of Partition-Aware Collaborative Filtering.
Domenico de Gioia
|
Claudio Pomo
|
Ludovico Boratto
|
Tommaso Di Noia
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part III
doi
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FoodNexus: Massive Food Knowledge for Recommender Systems.
Ludovico Boratto
|
Gianni Fenu
|
Marisa Llorens-Salvador
|
Sarah Jane Delany
|
Gianni Fenu
|
Mirko Marras
|
Marisa Llorens-Salvador
|
Sarah Jane Delany
|
Mirko Marras
|
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
doi
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GREAT: A Group Recommendation Evaluation and Analysis Tool.
Ariel Smith
|
David Contreras
|
Maria Salamó
|
Ludovico Boratto
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part IV
doi
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Auditing Textual Context in Sequence-Aware Explainable Recommendation.
Alejandro Ariza-Casabona
|
Maria Salamó
|
Ludovico Boratto
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.
2025
doi
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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
doi
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Accuracy and beyond-accuracy perspectives of controllable multi-objective recommender systems.
Patrik Dokoupil
|
Ludovico Boratto
|
Ladislav Peska
Information Processing and Management 2025 Volume 62 Issue 6
doi
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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
doi
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International Workshop on Algorithmic Bias in Search and Recommendation (BIAS 2025).
Alejandro Bellogín
|
Ludovico Boratto
|
Styliani Kleanthous
|
Elisabeth Lex
|
Francesca Maridina Malloci
|
Mirko Marras
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi
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Small Data, Big Impact: Navigating Resource Limitations in Point-of-Interest Recommendation for Individuals with Autism.
Ludovico Boratto
|
Federica Cena
|
Mirko Marras
|
Noemi Mauro
|
Giacomo Medda
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi
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Private Preferences, Public Rankings: A Privacy-Preserving Framework for Marketplace Recommendations.
Guilherme Ramos
|
Ludovico Boratto
|
Mirko Marras
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
2024
doi
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Report on the 1st International Workshop on Graph-Based Approaches in Information Retrieval (IRonGraphs 2024) at ECIR 2024.
Ludovico Boratto
|
Daniele Malitesta
|
Mirko Marras
|
Giacomo Medda
|
Cataldo Musto
|
Erasmo Purificato
SIGIR Forum 2024 Volume 58 Issue 1
doi
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Report on the 5th International Workshop on Algorithmic Bias in Search and Recommendation (BIAS 2024) at SIGIR 2024.
Alejandro Bellogín
|
Ludovico Boratto
|
Styliani Kleanthous
|
Elisabeth Lex
|
Francesca Maridina Malloci
|
Mirko Marras
SIGIR Forum 2024 Volume 58 Issue 2
doi
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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
doi
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MOReGIn: Multi-Objective Recommendation at the Global and Individual Levels.
Elizabeth Gómez
|
David Contreras
|
Ludovico Boratto
|
Maria Salamó
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part I
doi
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A Cost-Sensitive Meta-learning Strategy for Fair Provider Exposure in Recommendation.
Ludovico Boratto
|
Giulia Cerniglia
|
Mirko Marras
|
Alessandra Perniciano
|
Barbara Pes
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part III
doi
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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
doi
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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
doi
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First International Workshop on Graph-Based Approaches in Information Retrieval (IRonGraphs 2024).
Ludovico Boratto
|
Daniele Malitesta
|
Mirko Marras
|
Giacomo Medda
|
Cataldo Musto
|
Erasmo Purificato
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V
doi
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International Workshop on Algorithmic Bias in Search and Recommendation (BIAS).
Alejandro Bellogín
|
Ludovico Boratto
|
Styliani Kleanthous
|
Elisabeth Lex
|
Francesca Maridina Malloci
|
Mirko Marras
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi
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SM-RS: Single- and Multi-Objective Recommendations with Contextual Impressions and Beyond-Accuracy Propensity Scores.
Patrik Dokoupil
|
Ladislav Peska
|
Ludovico Boratto
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi
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Unmasking Privacy: A Reproduction and Evaluation Study of Obfuscation-based Perturbation Techniques for Collaborative Filtering.
Alex Martinez
|
Mihnea Tufis
|
Ludovico Boratto
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi
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Towards Ethical Item Ranking: A Paradigm Shift from User-Centric to Item-Centric Approaches.
Guilherme Ramos
|
Mirko Marras
|
Ludovico Boratto
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
2023
doi
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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
doi
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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
doi
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Leveraging Graph Neural Networks for User Profiling: Recent Advances and Open Challenges.
Erasmo Purificato
|
Ludovico Boratto
|
Ernesto William De Luca
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi
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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
doi
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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
doi
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FairUP: A Framework for Fairness Analysis of Graph Neural Network-Based User Profiling Models.
Mohamed Abdelrazek
|
Erasmo Purificato
|
Ludovico Boratto
|
Ernesto William De Luca
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi
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Rows or Columns? Minimizing Presentation Bias When Comparing Multiple Recommender Systems.
Patrik Dokoupil
|
Ladislav Peska
|
Ludovico Boratto
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
2022
doi
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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
Information Processing and Management 2022 Volume 59 Issue 1
doi
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Provider fairness across continents in collaborative recommender systems.
Elizabeth Gómez
|
Ludovico Boratto
|
Maria Salamó
Information Processing and Management 2022 Volume 59 Issue 1
doi
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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
doi
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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
doi
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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
doi
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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
doi
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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
doi
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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
doi
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Integrating Collaboration and Leadership in Conversational Group Recommender Systems.
David Contreras
|
Maria Salamó
|
Ludovico Boratto
ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 4
doi
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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
doi
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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
doi
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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
doi
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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
doi
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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
doi
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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
doi
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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
2020
doi
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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
SIGIR Forum 2020 Volume 54 Issue 1
doi
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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
SIGIR Forum 2020 Volume 54 Issue 1
doi
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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
Information Processing and Management 2020 Volume 57 Issue 2
doi
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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
doi
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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
2019
doi
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Guest editorial: social media for personalization and search.
Ludovico Boratto
|
Andreas Kaltenbrunner
|
Giovanni Stilo
Discover Computing 2019 Volume 22 Issue 1-2
doi
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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
doi
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Report on the Workshop on Social Aspects in Personalization And Search (SoAPS).
Ludovico Boratto
|
Giovanni Stilo
SIGIR Forum 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.
doi
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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
doi
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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
2017
doi
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Report on the Workshop on Social Media for Personalization And Search (SoMePeAS).
Ludovico Boratto
|
Andreas Kaltenbrunner
|
Giovanni Stilo
SIGIR Forum 2017 Volume 51 Issue 1
2016
doi
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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