Figure 1: The NLPnorth research unit at the Computer Science department of the IT University of Copenhagen is a team of faculty, postdocs, PhD students, assistants and students who work together on fundamental and applied problems for computational understanding of human languages and speech.

Members

Full-time Faculty

Rob van der Goot

Robustness

Christian Hardmeier

Multilinguality, Discourse and Uncertainty

Stefan Heinrich

Cognitive Modelling

Anna Rogers

Analysis and Evaluation of Language Models

Ratish Puduppully

Neurosymbolic methods, Multilinguality

Postdocs

Elisa Bassignana

Computational Social Science

Arturo Valdivia

Responsible AI

Max Müller-Eberstein

Learning Dynamics

Nikolas Vitsakis

Responsible NLP

Amelie Wührl

Explainable and Transparent NLP

PhD Fellows

Arzu Burcu Güven

Linguistic Analyses of
Language Models

Bertram Højer

AI Reasoning,
Representation Learning

Andreas Geert Motzfeldt

Language Models for Patient Documentation

Mattes Ruckdeschel

Explainable and Transparent NLP

Johannes Gabriel Sindlinger

Explainable and Transparent NLP

Nils Grünefeld

Uncertainty Estimation

External Affiliated Members

Maria Barrett

Cognitive Linguistics

Leon Derczynski

Efficiency, Security, Online Harms

Barbara Plank

Transfer Learning

Natalie Schluter

Hard Computational Models

Visiting Scholars

Zhuojun Gu

Guest researcher from VIRTU Research Group
(2025-2027)

Anar Yeginbergen

Visiting PhD Researcher from HiTZ Center, University of the Basque Country
(2025)

Publications

Our most recent research outputs, with more over ITU's PURE.

2025

• B. Højer, T. S. T. Jakobsen, A. Rogers and S. Heinrich
  Research Community Perspectives on “Intelligence” and Large Language Models
  Findings of the Association for Computational Linguistics 2025. May 2025.
• O. van der Wal, P. Lesci, M. Müller-Eberstein, N. Saphra, H. Schoelkopf, W. Zuidema and S. Biderman
  PolyPythias: Stability and Outliers across Fifty Language Model Pre-Training Runs
  Proceedings of the Thirteenth International Conference on Learning Representations (ICLR 2025). May 2025.
• M. Müller-Eberstein, M. Zhang, E. Bassignana, P. B. Trolle and R. van der Goot
  DaKultur: Evaluating the Cultural Awareness of Language Models for Danish with Native Speakers
  Proceedings of the 3rd Workshop on Cross-Cultural Considerations in NLP (C3NLP 2025). May 2025.
• M. Stepanovic, C. Hardmeier and O. Scharenborg
  Formant-Based Vowel Categorization for Cross-Lingual Phone Recognition
  Journal of the Acoustical Society of America. Mar 2025.
• M. Zhang, M. Müller-Eberstein, E. Bassignana and R. van der Goot
  SnakModel: Lessons Learned from Training an Open Danish Large Language Model
  Proceedings of the Joint 25th Nordic Conference on Computational Linguistics and 11th Baltic Conference on Human Language Technologies (NoDaLiDa/Baltic-HLT 2025). Mar 2025.
• J. V. Bornerup and C. Hardmeier
  Efficient Elicitation of Fictitious Nursing Notes from Volunteer Healthcare Professionals
  Proceedings of the Joint 25th Nordic Conference on Computational Linguistics and 11th Baltic Conference on Human Language Technologies (NoDaLiDa/Baltic-HLT). Mar 2025.
• B. Højer, O. Jarvis and S. Heinrich
  Improving Reasoning Performance in Large Language Models via Representation Engineering
  13th International Conference on Learning Representations (ICLR 2025). Jan 2025.
• N. Inie, L. Derczynski and J. Stray
  Summon a demon and bind it: A grounded theory of LLM red teaming
  PLOS ONE. Jan 2025.
• M. Mohammadi Kashani
  Statistical Assessment of Plans via Probabilistic Optimization of Reliability
  Jan 2025.
• A. Ruby, C. Hardmeier and S. Stymne
  Multimodal Extraction and Recognition of Arabic Implicit Discourse Relations
  Proceedings of the 31st International Conference on Computational Linguistics (COLING). Jan 2025.
• L. Dixen, S. Heinrich and P. Burelli
  Exploring Deep Learning Models for EEG Neural Decoding
  International Symposium on Artificial Intelligence and Neuroscience. Jan 2025.
• G. F. Fazzi, J. Skoven Hinge, S. Heinrich and P. Burelli
  Don’t Get Too Excited - Eliciting Emotions in LLMs
  Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems. Jan 2025.

Resources

Jobs

Prospective PhD students and postdocs may consider applying for a yearly opportunity for getting your own funding via DDSA fellowships (see 2023 call for PhD and postdoc fellowships), with application deadlines about February. If you have an idea that matches the area of one of our full-time faculty, you are welcome to them directly. Please reach out introducing yourself and stating why you are interested in working with them specifically, as well as your background and any relevant experience.

PhD Life at NLPnorth

What would it be like to do a PhD in Denmark and ITU? Here's some experiences shared by NLPnorth PhD students.

Reach Out

Corridor 3E, Rued Langgaards Vej 7, 2300 København S

Contact: Head of research group Stefan Heinrich (stehe@itu.dk); our individual e-mails can be found on our personal webpages

@NLPnorth

@nlpnorth.bsky.social