– Talks –

• Invited speaker, Moral Machine or Tyranny of the Majority? Improving Algorithmic Fairness in Education from a Data Perspective, Workshop on Lifelong Learning and Smart Education, Huawei Technologies Group Co., Ltd., China, 2022.
• Enhancing Algorithmic Fairness in Education with Data Sampling Strategies, Seoul National University, Seoul, South Korea, 2022
• Invited speaker, Towards Constructing Intelligent Educational Applications with Language Technologies, Workshop on Artificial Intelligence for Education, Huawei Technologies Co., Ltd., China, 2021.
• Invited speaker, Towards Building Intelligent Educational Applications with Artificial Intelligence, The Symposium on Artificial Intelligence and Big Data, Hong Kong Open University, Hong Kong, China, 2019.
• Towards Automatic Generation of Quality Educational Questions with Deep Learning, Shenzhen University, Shenzhen, China, 2019.
• How Language Technologies can be Applied for Building Intelligent Educational Applications, Jinan University, Guangzhou, China, 2019.
• Keynote speaker, Understanding and Engaging MOOC Learners: A Data-driven Approach, Doctoral Student Forum on MOOC Research, Peking University, Beijing, China, 2017.

– Journal Editor –

• Editorial Board Member, Computer & Education: X Reality, since 2022
• Editorial Board Member, Computers & Education: Artificial Intelligence, since 2021
• Guest Editor, International Journal of Mobile Learning and Organisation, Special Issue on Intelligent Language Acquisition in the Mobile Era, 2021

– Conference & Workshop Organization –

• Communication Chair, The 18th European Conference on Technology Enhanced Learning, 2023
• Virtual Experiences Chair, The 24th International Conference on Artificial Intelligence in Education, 2023
• Online Experience Chair, The 23rd International Conference on Artificial Intelligence in Education, 2022
• General Co-Chair, The 5th International Symposium on Emerging Technologies for Education, 2020
• Track Chair, The 4th International Symposium on Emerging Technologies for Education, 2019
• Co-chair, Workshop on Integrated Learning Analytics of MOOC Post-Course Development, 2017
• Co-organizer, The 15th Dutch-Belgian Information Retrieval Workshop, 2016

– Program Committee Member –

• International Tutorial and Workshop on Responsible Knowledge Discovery in Education (co-located with ECML-PKDD 2023)
• The European Conference on Technology Enhanced Learning (ECTEL), 2023
• ACM Conference on User Modeling, Adaptation and Personalization (UMAP), 2023
• The Annual Meeting of the Association for Computational Linguistics (ACL), 2023
• ACM/SIGAPP Symposium On Applied Computing (SAC), 2023
• International Conference on Computer Supported Education (CSEDU), 2023
• Conference on Neural Information Processing Systems, 2021 & 2022
• ACM International Conference on Supporting Group Work (GROUP), 2022
• The IEEE International Conference on Advanced Learning Technologies (ICALT), 2021 & 2022
• The AAAI Conference on Artificial Intelligence, 2021 & 2022 & 2023
• The International Conference on Educational Data Mining (EDM), 2019 & 2020 & 2022 & 2023
• The International Conference on Artificial Intelligence in Education (AIED), 2020 & 2021 & 2022
• The International Conference on Learning Analytics and Knowledge (LAK), 2018 & 2019 & 2020 & 2021 & 2022 & 2023
• Workshop on Innovative Use of NLP for Building Educational Applications (BEA), 2020 & 2021 & 2022 & 2023
• The International Baltic Conference on Databases and Information Systems (Baltic DB&IS), 2020
• The International Symposium on Emerging Technologies for Education, 2018
• The International Conference on Web-based Learning (ICWL), 2017 & 2018
• The Global Chinese Conference on Computers in Education, 2018
• The 1st International Symposium on User Modeling and Language Learning, 2017
• Workshop on FutureLearn data (co-located with the International Conference on Learning Analytics and Knowledge), 2017
• The International Workshop on Semantic Computing and Personalization (co-located with the International Conference on Database for Advanced Application), 2016

– Invited Reviewer –

• International Journal of Artificial Intelligence in Education, 2022
• Journal of Learning Analytics, 2022
• Frontiers in Big Data, 2022
• Journal of Computer-Assisted Learning, 2021 & 2022
• The SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2022, 2023
• The International Conference on Learning Representations (ICLR), 2021 & 2022
• Computers & Education, 2017 & 2018 & 2019 & 2020 & 2021 & 2022
• IEEE Transactions on Learning Technologies, 2017 & 2018 & 2020 & 2021 & 2022 & 2023
• Information Sciences, 2020 & 2022
• IEEE Trans. Emerging Topics in Computing, 2022
• Computers in Human Behavior, 2020 & 2021 & 2022
• Big Data Research, 2020
• British Journal of Educational Technology, 2020 & 2021 & 2022 & 2023
• Journal of Web Engineering, 2020
• IEEE Transactions on Systems, Man and Cybernetics: Systems, 2017
• ACM Computing Surveys, 2016
• International Journal of Distance Education Technologies, 2015