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Pieter Delobelle

@pieter.ai
110 followers 160 following 9 posts

LLM engineer at Aleph Alpha | 👨‍💻 Fairness in LLMs and Dutch NLP | Prev. apple, PhD & postdoc from KU Leuven pieter.ai

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Pieter Delobelle @pieter.ai · 17/03/2026
proud to share one of the first projects I worked on at Pleias in collaboration with NVIDIA: Nemotron-Personas-France we release an open source synthetic dataset of 1 million French personas, covering the full demographic profile (e.g. age-sex pyramids, income and education, ...).
pleias x nvidia
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Pieter Delobelle @pieter.ai · 02/05/2025
It will be presented by @mmitchell.bsky.social and the paper can be read here: aclanthology.org/2025.naacl-l...
aclanthology.org
SHADES: Towards a Multilingual Assessment of Stereotypes in Large Language Models
Margaret Mitchell, Giuseppe Attanasio, Ioana Baldini, Miruna Clinciu, Jordan Clive, Pieter Delobelle, Manan Dey, Sil Hamilton, Timm Dill, Jad Doughman, Ritam Dutt, Avijit Ghosh, Jessica Zosa Forde, Ca...
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Pieter Delobelle @pieter.ai · 02/05/2025
Proud that our work on multilingual bias evals made it into @wired.com! The paper is being presented today at #NAACL2025. 📃 SHADES: Towards a Multilingual Assessment of Stereotypes in Large Language Models 📅 Session K (2/5 at 12:00) @ Ballroom B
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Pieter Delobelle @pieter.ai · 24/04/2025
If you are at #ICLR25 and care about tokenizers, drop by Aleph Alpha’s Birds of a Feather session – happening now at Opal 103.
Picture of a crowd listening to our awesome introduction of the session “towards tokenizer-free end to end architectures”
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Pieter Delobelle @pieter.ai · 30/01/2025
So while I believe our use for tweety (and even my RobBERT model trained in 2019) is well within the law, it is a worrying precedent set by Brein. geitje’s blog post here: goingdutch.ai/en/posts/gei...
goingdutch.ai
The end of GEITje 1
At the pressing request of Stichting BREIN, GEITje is no longer available as of today. All model files have been removed from my HuggingFace repositories1. GEITje was a Dutch-language large open langu...
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Pieter Delobelle @pieter.ai · 30/01/2025
.. instead of uni-backed Dutch LLMs like Fietje-2b by @bramvanroy.bsky.social (KUL) or our tweety-7b-dutch (KUL & UGent). How copyright applies to LLMs is not so clearcut (it protects works from unauthorised distribution), since LLMs do not repeat training data unless severely oversampled.
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Pieter Delobelle @pieter.ai · 30/01/2025
I just found out that Stichting Brein took down GEITje, a Dutch 7B LLM made by Edwin Rijgersberg as a hobby project. While its training corpus was indeed copyrighted (Gigacorpus), it is interesting that Brein went after a hobby project first.. 🧵 1/3
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Pieter Delobelle @pieter.ai · 10/01/2025
Not super multilingual, but for Dutch, German, French and English (all Belgian languages 🇧🇪) there is is this variant: huggingface.co/Parallia/Fai...
huggingface.co
Parallia/Fairly-Multilingual-ModernBERT-Embed-BE · Hugging Face
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
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Reposted by Pieter Delobelle
Giuseppe Attanasio @gattanasio.cc · 04/12/2024
TweetyIta and ItaEval are a language model and evaluation benchmark for Italian tasks. What's more, they are 100% community-driven and born within RiTA (rita-nlp.org). @asantilli.bsky.social will present the poster on Dec 5, 16:30-17:30. + Pieter Delobelle, Moreno La Quatra, @bsavoldi.bsky.social
academic poster presenting the results of the research project.
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Pieter Delobelle @pieter.ai · 23/12/2024
Unsure where to submit your next research paper to now that aideadlin.es is not updated anymore? And let’s be honest, is the location not as important as the conference itself? 🗺️ Check out my latest side-project: deadlines.pieter.ai
deadlines.pieter.ai
Computer Science Conference Deadlines Map
Interactive world map of Computer Science, AI, and ML conference deadlines
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Reposted by Pieter Delobelle
DTAI - KU Leuven @dtai-kuleuven.bsky.social · 22/11/2024
Meet our researchers from the DTAI lab at KU Leuven! Using this starter pack, you can keep up with all the AI research from our PhD students, post-docs, professors and alumni 🦋
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