Publications

For an up-to-date list please also check my google scholar

Accepted Publications (latest first, ⋆ marks equal first/last author works.)

• Zena Al-Khalili, Rafi Hakim, Dietrich Klakow⋆, Ji-Ung Lee⋆, Fork-Think with Confidence, Conference on Language Modeling, (to appear) 2026.
• Yifan Wang, Mayank Jobanputra, Ji-Ung Lee, Soyoung Oh, Isabel Valera, Vera Demberg, Bridging Fairness and Explainability: Can Input-Based Explanations Promote Fairness in Hate Speech Detection? The Fourteenth International Conference on Learning Representations (ICLR), 2026.
• Yifan Wang, Sukrut Rao, Ji-Ung Lee, Mayank Jobanputra, Vera Demberg, B-cos LM: Efficiently Transforming Pre-trained Language Models for Improved Explainability Transactions of Machine Learning Research (TMLR), 2025.
• Marcos Treviso⋆, Ji-Ung Lee⋆, Tianchu Ji*, Betty van Aken, Qingqing Cao, Manuel R Ciosici, Michael Hassid, Kenneth Heafield, Sara Hooker, Pedro H Martins, André FT Martins, Peter Milder, Colin Raffel, Edwin Simpson, Noam Slonim, Niranjan Balasubramanian, Leon Derczynski, Roy Schwartz, Efficient Methods for Natural Language Processing: A Survey Transactions of the Association for Computational Linguistics, 11: pages 826–860. July, 2023. MIT Press
• Jan-Christoph Klie, Ji-Ung Lee, Kevin Stowe, Gözde Gül Şahin, Nafise Sadat Moosavi, Luke Bates, Dominic Petrak, Richard Eckart De Castilho, Iryna Gurevych, Lessons Learned from a Citizen Science Project for Natural Language Processing Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics, pages 3594–3608, May, 2023. Dubrovnik, Croatia
• Haishuo Fang, Ji-Ung Lee, Nafise Sadat Moosavi, and Iryna Gurevych, Transformers with Learnable Activation Functions, Findings of the Association for Computational Linguistics: EACL 2023, pages 2382–2398, May, 2023. Dubrovnik, Croatia
• Lorenz Stangier⋆, Ji-Ung Lee⋆, Yuxi Wang, Marvin Müller, Nicholas Frick, Joachim Metternich, and Iryna Gurevych, TexPrax: A Messaging Application for Ethical, Real-time Data Collection and Annotation Proceedings of the 2nd Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 12th International Joint Conference on Natural Language Processing: System Demonstrations (AACL), pages 9–16, November, 2022. Taipei, Taiwan.
• Ji-Ung Lee⋆, Jan-Christoph Klie⋆, and Iryna Gurevych, Annotation Curricula to Implicitly Train Non-Expert Annotators Computational Linguistics, Volume 48 (2), pages 343–373, June, 2022. MIT Press
• Tilman Beck, Ji-Ung Lee, Christina Viehmann, Marcus Maurer, Oliver Quiring, and Iryna Gurevych, Investigating label suggestions for opinion mining in German Covid-19 social media Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) (ACL), pages 1–13, July, 2021. Online.
• Marvin Müller, Ji-Ung Lee, Nicholas Frick, Lorenz Stangier, Iryna Gurevych, and Joachim Metternich, Extracting problem related entities from production chats to enhance the data base for assistance functions on the shop floor 9th CIRP Global Web Conference – Sustainable, resilient, and agile manufacturing and service operations : Lessons from COVID-19 (Procedia CIRP), Volume 103, pages 231–236, October, 2021. Online.
• Marianne Grace Araneta, Gülşen Eryiğit, Alexander König, Ji-Ung Lee, Ana Luís, Verena Lyding, Lionel Nicolas, Christos Rodosthenous, Federico Sangati, Substituto–A Synchronous Educational Language Game for Simultaneous Teaching and Crowdsourcing In Proceedings of the 9th Workshop on NLP for Computer Assisted Language Learning (NLP4CALL) pages 1–9, November, 2020. Online.
• Ji-Ung Lee, Christian M. Meyer, and Iryna Gurevych. Empowering Active Learning to Jointly Optimize System and User Demands Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics (ACL), pages 4233–4247, July, 2020. Online
• Ji-Ung Lee, Erik Schwan, and Christian M. Meyer, Manipulating the Difficulty of C-Tests Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics(ACL),pages 360–370, July, 2019. Florence, Italy
• Steffen Eger, Gözde Gül Şahin, Andreas Rücklé, Ji-Ung Lee, Claudia Schulz, Mohsen Mesgar, Krishnkant Swarnkar, Edwin Simpson, Iryna Gurevych. Text Processing Like Humans Do: Visually Attacking and Shielding NLP Systems Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL-HLT), pages 1634–1647, June, 2019. Minneapolis, USA
• Ji-Ung Lee, Steffen Eger, Johannes Daxenberger, and Iryna Gurevych, UKP TU-DA at GermEval 2017: Deep Learning for Aspect Based Sentiment Detection Proceedings of the GermEval 2017 - Shared Task on Aspect-based Sentiment in Social Media Customer Feedback, September, 2017. Berlin, Germany

Preprints (latest first, * marks equal contribution works.)

• Sarubi Thillainathan, Ji-Ung Lee, Michael Sullivan, Alexander Koller, AuthorMix: Modular Authorship Style Transfer via Layer-wise Adapter Mixing arXiv preprint arXiv:2404.08821, 2026.
• Yifan Wang, Jinyi Mu, Mayank Jobanputra, Yu Wang, Ji-Ung Lee, Soyoung Oh, Isabel Valera, Vera Demberg, Sparse Mixture-of-Experts Reward Models Learn Interpretable and Specialized Experts for Personalized Preference Modeling arXiv:2606.04284, 2026.
• Anna Karnysheva, Dietrich Klakow⋆, Ji-Ung Lee⋆, Probing Chemical Language Models: Effects of Pre-training and Fine-tuning arXiv:2607.02140, 2026.
• Ji-Ung Lee, Marc Pfetsch, Iryna Gurevych. Constrainted C-Test Generation using Mixed-Integer Programming. arXiv:2404.08821. 2024.
• Ji-Ung Lee, Haritz Puerto, Betty van Aken, Yuki Arase, Jessica Zosa Forde, Leon Derczynski, Andreas Rücklé, Iryna Gurevych, Roy Schwartz, Emma Strubell, Jesse Dodge. Surveying (Dis)Parities and Concerns of Compute Hungry NLP Research arXiv:2306.16900, 2023.
• Ulf A Hamster, Ji-Ung Lee, Alexander Geyken, Iryna Gurevych. Rediscovering Hashed Random Projections for Efficient Quantization of Contextualized Sentence Embeddings arXiv:2304.02481, 2023.