Editorial roles
- 2024: Guest Editor for the special issue on Recommender Systems for Good in ACM Transactions on Recommender Systems https://dl.acm.org/pb-assets/static_journal_pages/tors/pdf/TORS_SI-Recommender-Systems-for-Good-1715281856967.pdf
- 2024: Editorial Board Member of the ACM Transactions on Recommender Systems journal
- 2021: Guest Editor of the Research Topic User Modeling and Recommendations in the Frontiers in Big Data and Frontiers in Artificial Intelligence journals https://www.frontiersin.org/research-topics/19653/user-modeling-and-recommendations
- 2021: Associate Editor of the Human-Media Interaction section as part of the journals Frontiers in Psychology and Frontiers in Computer Science https://loop.frontiersin.org/people/238886/overview
- 2021: Guest Editor of the special issue on Group Recommender Systems in Springer User Modeling and User-Adapted Interaction (UMUAI) https://ludovicoboratto.github.io/umuaigrouprecsys/
- 2020: Guest Editor of the special issue Advanced Theories and Algorithms for Next-Generation Recommender Systems in the SN Computer Science journal https://resource-cms.springernature.com/springer-cms/rest/v1/content/18491852/data/v6
- 2019: Guest editor of the Special Issue Algorithms for Personalization Techniques and Recommender Systems in MDPI Algorithms https://www.mdpi.com/journal/algorithms/special_issues/Algorithms_Recommender_Systems
- 2019: Guest Associate Editor for the Frontiers in Psychology Human-Media Interaction Research Topic Psychological Models for Personalized Human-Computer Interaction (HCI) https://www.frontiersin.org/research-topics/11465/psychological-models-for-personalized-human-computer-interaction-hci
- 2018: Guest Editor of the Special Issue on User Modeling for Personalized Interaction with Music in Springer User Modeling and User-Adapted Interaction (UMUAI) http://www.cp.jku.at/journals/umuai_si_music.html
- 2018: Member of the editorial board of the Springer User Modeling and User-Adapted Interaction (UMUAI) journal
- 2016: Guest Associate Editor for the Frontiers in Psychology Human-Media Interaction Research Topic Socially-aware communication services http://journal.frontiersin.org/researchtopic/4334/socially-aware-communication-services
- 2016: Guest editor of the Special Issue "Advances in Affect- and Personality-based Personalized Systems" in the MDPI Computers journal http://www.mdpi.com/journal/computers/special_issues/ selected_papers_EMPIRE_2016
- 2015: Guest editor of the focus section in the Interaction Design and Architecture (s)) Journal http://www.mifav.uniroma2.it/inevent/events/ idea2010/index.php?s=102&link=call28fs
- 2014: Guest Editor of the Special issue on Personality in Personalized Systems in Springer User Modeling and User-Adapted Interaction (UMUAI) http://www.cp.jku.at/people/Tkalčič/umuai_personality.html
Conference organization
- 2027: ACM RecSys 2027, Program Chair
- 2026: ACM UMAP 2026 Doctoral Consortium Chair
- 2026: ACM IUI 2026, Posters and Demo Chair
- 2025: ACM RecSys 2025, Demo and LBR Chair
- 2024: ACM IUI 2024, Posters and Demos Chair
- 2023: ACM UMAP 2023, Personalized Recommender Systems Track Chair
- 2023: ICWE 2023, Publicity Chair
- 2022: ICWE 2022, Posters and Demo Chair
- 2022: ACM UMAP 2022, Intelligent User Interfaces Track Chair
- 2021: ACM UMAP 2021, Program Chair
- 2020: The Web Conference 2020, Session Chair, User Modeling
- 2019: ACM IUI 2019, Session Chair, Affective & Aesthetic IUIs
- 2019: ACM RecSys 2019, Demos and Posters co-chair
- 2019: ACM UMAP 2019, Chair of Recommender Systems Track
- 2018: ACM UMAP 2018, Workshops and Tutorials co-chair
- 2017: ACM UMAP 2017, Late-breaking Results, Theory, Opinion and Reflection, and Demo co-chair
- 2017: ACM RecSys 2017, Workshops co-chair
- 2013: UMAP 2013, Session Chair
Workshop organization
- 2024: 4th Workshop on SOcial and Cultural IntegrAtion with PersonaLIZEd Interfaces (SOCIALIZE) at ACM IUI 2024, Organizer
- 2024: 8th Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2024, Organizer
- 2024: 9th International Workshop on Human Aspects in Adaptive and Personalized Interactive Environments (HAAPIE) at ACM UMAP 2024, Organizer
- 2023: 3rd Workshop on SOcial and Cultural IntegrAtion with PersonaLIZEd Interfaces (SOCIALIZE) at ACM IUI 2023, Organizer
- 2023: 7th Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2023, Organizer
- 2023: 8th International Workshop on Human Aspects in Adaptive and Personalized Interactive Environments (HAAPIE) at ACM UMAP 2023, Organizer
- 2022: 6th Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2022, Organizer
- 2022: 2nd Workshop on SOcial and Cultural IntegrAtion with PersonaLIZEd Interfaces (SOCIALIZE) at ACM IUI 2022, Organizer
- 2022: 7th International Workshop on Human Aspects in Adaptive and Personalized Interactive Environments (HAAPIE) at ACM UMAP 2022, Organizer
- 2021: 5th Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2021, Organizer
- 2021: 1st Workshop on SOcial and Cultural IntegrAtion with PersonaLIZEd Interfaces (SOCIALIZE) at ACM IUI 2021, Organizer
- 2021: ACM HCI-SI, 6th Human-Computer Interaction Slovenia (HCI SI) conference, Program Chair
- 2020: 4th Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2020, Organizer
- 2019: 3rd Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2019, Organizer
- 2018: 2nd Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2018, Organizer
- 2018: IIR 2018, 9th Italian Information Retrieval Workshop, Program Chair
- 2018: International Workshop on Decision Making and Recommender Systems 2018, Bolzano, Italy, Organizer
- 2017: Workshop on Theory-Informed User Modeling for Tailoring and Personalizing Interfaces (HUMANIZE) at ACM IUI 2017, Organizer
- 2017: 2nd Workshop on Surprise, Opposition, and Obstruction in Adaptive and Personalized Systems (SOAP) in conjunction with ACM UMAP 2017, Organizer
- 2016: Workshop on Surprise, Opposition, and Obstruction in Adaptive and Personalized Systems (SOAP) in conjunction with ACM UMAP 2016, Organizer
- 2016: Emotions and Personality in Personalized Systems (EMPIRE) in conjunction with ACM RecSys 2016, Organizer
- 2015: Emotions and Personality in Personalized Systems (EMPIRE) in conjunction with ACM RecSys 2015, Organizer
- 2014: Emotions and Personality in Personalized Systems (EMPIRE) in conjunction with UMAP 2014, Organizer
- 2013: Emotions and Personality in Personalized Systems (EMPIRE) in conjunction with UMAP 2013, Organizer
Grant reviewing
- 2025: Science Foundation Ireland
- 2024: Science Foundation Ireland
- 2023: Science Foundation Ireland
- 2021: Science Foundation Ireland
- 2020: Swiss National Science Foundation (SNSF)
- 2019: EDGE and Marie-Sklodowska Curie, Ireland
- 2018: EDGE and Marie-Sklodowska Curie, Ireland
- 2018: Netherlands Organisation for Scientific Research (NWO): VENI Programme
- 2018: French National Research Agency (ANR 2018 generic call)
- 2018: Latvian Central Finance and Contracting Agency
- 2018: Chilean National Science and Technology Commission
- 2017: Netherlands Organisation for Scientific Research (NWO)
- 2017: EDGE and Marie-Sklodowska Curie, Ireland
Faculty service
- 2026–present: Chair, Department of Information Sciences and Technologies (DIST), University of Primorska
- 2023–2026: Coordinator of the Data Science MSc Program, University of Primorska Faculty of Mathematics, Natural Sciences and Information Technologies, Koper, Slovenia
- 2022-: Chair of the PhD Committee in Computer Science, University of Primorska Faculty of Mathematics, Natural Sciences and Information Technologies, Koper, Slovenia
- 2018-19: Study Plan Advisor, MSc study in Computational Data Science, Faculty of Computer Science, Free University of Bozen-Bolzano
- 2018-19: Tutor, BSc in Computer Science study, Faculty of Computer Science, Free University of Bozen-Bolzano
- 2016-19: Study Plan Advisor, MSc study in Software Engineering, Faculty of Computer Science, Free University of Bozen-Bolzano
- 2016-18: PhD Committee Member, Faculty of Computer Science, Free University of Bozen-Bolzano
- 2012: Internal Patent Examiner, University of Ljubljana Faculty of Electrical Engineering
Tutorials delivered and summer schools
- 2025: ACM UMAP 2025: Tutorial Designing Intelligent User Interfaces for Well-Being
- 2025: ACM SIGIR 2025: Tutorial Psychological Aspects in Retrieval and Recommendation
- 2018: ACM RecSys 2018, Vancouver: Tutorial Emotions and Personality in Recommender Systems
- 2017: ACM Summer School on Recommender Systems, Bozen-Bolzano, 21-25 August 2017 Affect and Personality-Based RS