| Editorial positions | |
|---|---|
| 2025 | Co-editor of the CLIN journal, vol. 14 |
| 2025-now | Senior Area Chair for ACL Rolling Review |
| 2024-now | Senior Associate editor of Transactions on Information Systems |
| 2024-2025 | Co-editor of Computational Linguistics in the Netherlands Journal |
| 2023-2024 | Co-editor of Digital Humanities Benelux Journal |
| 2022 | Co-editor of Advances in Information Retrieval 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10–14, 2022, Proceedings |
| 2019-2024 | Associate editor of Transactions on Information Systems |
| 2020 | Co-editor of Disinformation in Open Online Media. Second Multidisciplinary International Symposium, MISDOOM 2020, Leiden, The Netherlands, October 26–27, 2020, Proceedings |
| 2019 | Invited editor of the special issue “Text Mining in Complex Domains” of the MTI journal. |
| 2008 | Editor of the CLIN 2007 proceedings |
| Chairing positions | |
| 2026 | General co-chair of ECIR 2026 | 2025 | Programme Committee co-chair of SIGIR 2025 |
| 2024 | Co-Chair of CLIN34 |
| 2023 | Programme Committee Chair of Digital Humanities Benelux 2023 |
| 2023 | Track chair (search track) of TheWebConf 2023 |
| 2022 | Programme Committee Chair of ECIR 2022 |
| 2022 | Tutorial chair for CHIIR 2022 |
| 2021 | Best paper committee chair for the CIKM 2021 Short paper track |
| 2020 | General Chair of MISDOOM 2020 |
| 2020 | Doctoral Consortium chair for ECIR 2020 |
| 2019 | Workshop chair for CHIIR 2019 |
| 2019 | Tutorial chair for ECIR 2019 |
| 2018/2019 | Scientific chair of “ICT with Industry” |
| 2018 | General chair of DIR 2018 |
| 2018 | Chair of the First International Workshop on Professional Search at SIGIR 2018 |
| 2016-2017 | European chair in the ACL International Sponsorship Committee |
| 2016 | Publicity chair of ECAI 2016 |
| 2014 | Co-organizer of BNAIC 2014 |
| 2013 | Co-organizer of the symposium “E-Health voor mensen met communicatieve beperkingen: wetenschap en praktijk” |
| 2013 | Co-organizer of the BENELEARN 2013 workshop |
| 2012 | Local organization chair for IIiX 2012 |
| 2010 | Co-chair of DIR 2010 |
| 2007 | Co-chair of CLIN 2007 |
| Reviewing for books and journals | |
| Since 2021 | Reviewer for Neural Networks |
| Since 2016 | Reviewer for ACM Transactions on the Web |
| Since 2015 | Reviewer for International Journal of Machine Learning and Cybernetics (JMLC) |
| Since 2015 | Reviewer for Journal of Information Science |
| Since 2014 | Reviewer for Information Processing and Management |
| Since 2014 | Reviewer for International Journal of Information Technology and Decision Making |
| Since 2014 | Reviewer for International Journal of Human-Computer Studies |
| Since 2014 | Reviewer for the Journal of Natural Language Engineering |
| Since 2013 | Reviewer for Data and Knowledge Engineering |
| Since 2013 | Reviewer for Information Retrieval |
| Since 2013 | Reviewer for Neurocomputing |
| Since 2012 | Reviewer for Journal of Computer Science and Technology |
| Since 2012 | Reviewer for Transactions on Knowledge and Data Engineering |
| Since 2011 | Reviewer for Transactions on Information Systems |
| Since 2011 | Reviewer for the International Journal on Artificial Intelligence Tools |
| Since 2010 | Reviewer for Information Extraction from the Internet (iConcept) |
| Since 2010 | Reviewer for Current Challenges in Patent Information Retrieval (Springer) |
| Since 2010 | Reviewer for The Computer Journal |
| Since 2009 | Reviewer for JASIST |
| Reviewing for conferences | |
| Since 2021 | Reviewer for ACL Rolling Review (ARR) (Area chair/action editor since 2021) |
| Since 2019 | Reviewer for EMNLP (area chair since 2021) |
| Since 2019 | Reviewer for ACL (area chair since 2021) |
| Since 2019 | Reviewer for NAACL |
| Since 2016 | Reviewer for ACM SIGIR (senior PC since 2020) |
| 2011-2016 | Reviewer for CIKM |
| Since 2016 | Reviewer for ACM CHIIR |
| Since 2012 | Reviewer for EACL (area chair since 2020) |
| Since 2012 | Reviewer for COLING |
| Since 2011 | Reviewer for ECIR (senior PC since 2020) |
| 2012, 2014 | Reviewer for IIiX |
| 2010-2014 | Reviewer for LREC |
| 2015 | Reviewer for RANLP 2015 |
| 2014 | Reviewer for LaTeCH 2014 |
| 2011, 2012 | Reviewer for IRFC |
| 2009 | Reviewer for the NAACL 2009 Student Research Workshop |
| 2008 | Reviewer for the ACL 2008 Student Research Workshop |
| Committees and networks | |
| 2019-now | Member (chair since 2022) of the ethics review committee of the Faculty of Science of Leiden University |
| 2019-now | Diversity, Equity, and Inclusion co-chair of SIGIR |
| 2020-now | External member of the Board of Examiners of Population Health Management | 2019-now | Member (chair since 2021) of the Board of Examiners of LIACS |
| 2019-2021 | Member of the steering committee of “ICT with Industry” (on behalf of SIKS) | 2019-2021 | Co-chair of the worldwide Women in IR community |
| 2018-2019 | Member of the Special Interest Group for Artificial Intelligence (SIGAI) of the ICT-Research Platform Nederland (IPN | 2017-now | Member of the Language in Interaction educational team (on behalf of SIKS) |
| 2016-now | Member of the Association for Computing Machinery (ACM) |
| 2012-now | Senior research fellow in the Netherlands Research School for Information and Knowledge Systems (SIKS) |
| 2017-2018 | Organizer of the monthly LIACS research seminars. |
| 2016-now | Board member of the Vereniging Werkgemeenschap Informatiewetenschap |
| 2013 – 2018 | Editor of DIXIT, periodical of the Dutch Organization for Language and Speech Technology |
| 2015 – 2017 | Board member of Radboud Women in Computer Science(RWoCS) |
| 2010 | Member of the review committee for the STIL scriptieprijs |
| 2008 – 2011 | Member of the PR committee and webmaster for Taalwetenschap |
| 2005 – 2008 | Member of the organizing committee of the Language and Speech Colloquium |