Sebastian Loftus

he/him

I am currently a PhD-Candidate at Cental at UCLouvain under Marie-Catherine de Marneffe working on human label variation in NLP tasks. Additionally, my support panel consists of Barbara Plank and Patrick Watrin.

Previously, I did my Bachelor’s and Master’s degree at LMU Munich at the Center for Information- and Language Processing and was working as a research assistant at the MaiNLP research lab.

news

Sep 01, 2025	Joined Cental as a PhD-Candidate!

selected publications

Different tastes of entities: Investigating human label variation in named entity annotations

Siyao Peng, Zihang Sun, Sebastian Loftus, and Barbara Plank

In Proceedings of the Third Workshop on Understanding Implicit and Underspecified Language, 2024

Bib

@inproceedings{Peng2024Tastes,
  author = {Peng, Siyao and Sun, Zihang and Loftus, Sebastian and Plank, Barbara},
  title = {Different tastes of entities: Investigating human label variation in named entity annotations},
  booktitle = {Proceedings of the Third Workshop on Understanding Implicit and Underspecified Language},
  year = {2024},
  pages = {73--81},
  publisher = {Association for Computational Linguistics}
}

Using LLMs and Preference Optimization for Agreement-Aware HateWiC Classification

Sebastian Loftus, Adrian Mülthaler, Sanne Hoeken, Sina Zarrieß, and Özge Alaçam

In Proceedings of the 9th Workshop on Online Abuse and Harms (WOAH), Aug 2025

Bib

@inproceedings{Loftus2025HateWiC,
  author = {Loftus, Sebastian and M{\"{u}}lthaler, Adrian and Hoeken, Sanne and Zarrie{\ss}, Sina and Ala{\c{c}}am, {\"{O}}zge},
  title = {Using LLMs and Preference Optimization for Agreement-Aware HateWiC Classification},
  booktitle = {Proceedings of the 9th Workshop on Online Abuse and Harms (WOAH)},
  year = {2025},
  month = aug,
  pages = {538--547},
  publisher = {Association for Computational Linguistics}
}