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Jannis Vamvas

@vamvas.bsky.social
153 followers 98 following 11 posts

Natural Language Processing (#NLProc #NLP) Researcher @ University of Zurich @cl-uzh.bsky.social vamvas.ch

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Jannis Vamvas @vamvas.bsky.social · 07/09/2026
Eine deutsche KI behauptet, Schweizerdeutsch zu können. Unser neuer Test sagt: «Chabis». vamvas.ch/benchmark-sw...
vamvas.ch
Eine deutsche KI behauptet, Schweizerdeutsch zu können. Unser neuer Test sagt: «Chabis»
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Vilém Zouhar @zouhar.bsky.social · 04/09/2026
Machine translation is not solved and it will take a while for it to be done arxiv.org/abs/2609.04173
arxiv.org
Last Translation Benchmark
For scientific progress, we need benchmarks that test the limits of state-of-the-art models, and evaluation methods that inform us about failure cases. As models get stronger, standard benchmarks for ...
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Inside IT @inside-it.ch · 28/04/2026
Das Institut für Computerlinguistik der Universität Zürich hat mit der Lia Rumantscha ein Sprachmodell für die rätoromanischen Sprachvarianten entwickelt.
inside-it.ch
Sprachmodell übersetzt in fünf rätoromanische Idiome
Das Programm "Alas" übersetzt Deutsch ins Rätoromanische. Es kann als Webapp und Open-Source-Modell benutzt werden.
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Computational Linguistics @ UZH @cl-uzh.bsky.social · 28/04/2026
Only a few more days left to register for SwissText 2026 with early-bird rates!
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Computational Linguistics @ UZH @cl-uzh.bsky.social · 10/04/2026
Looking forward to the ACL 2026 conference in San Diego, California! Several accepted papers have involvement from our department: 1/7
🔵  Michelle Wastl, Jannis Vamvas, Rico Sennrich. SwissGov-RSD: A Human-annotated, Cross-lingual Benchmark for Token-level Recognition of Semantic Differences Between Related Documents.

🔵 Zifan Jiang, Youngjoon Jang, Liliane Momeni, Gül Varol, Sarah Ebling, Andrew Zisserman. Segment, Embed, and Align: A Universal Recipe for Aligning Subtitles to Signing.

🔵 Kevin Du, Clara Kümpel, Michelle Wastl, Alex Warstadt. It’s Not What You Say, It’s How You Say It: Evaluating LLM Responses to Expressions of Belief.

🔵 Negar Foroutan, Clara Meister, Debjit Paul, Joel Niklaus, Sina Ahmadi, Antoine Bosselut, Rico Sennrich. Parity-Aware Byte-Pair Encoding: Improving Cross-lingual Fairness in Tokenization.

🔵 Apertus: Democratizing Open and Compliant LLMs for Global Language Environments. https://lnkd.in/eFTh-5m7

🔵 (Findings:) Elias Schuhmacher, Andrianos Michail, Juri Opitz, Rico Sennrich, Simon Clematide. Information Representation Fairness in Long-Document Embeddings: The Peculiar Interaction of Positional and Language Bias.
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Rico Sennrich @ricosennrich.bsky.social · 23/03/2026
My lab is recruiting one PhD student and one post-doctoral researcher for a start as soon as this Summer! Apply by April 1 / March 31 to be among first candidates considered. jobs.uzh.ch/job-vacancie... jobs.uzh.ch/job-vacancie...
jobs.uzh.ch
UZH: PhD in Language AI / Natural Language Processing
You will be joining the Department of Computational Linguistics, which has 6 Research Groups and around 70 postdoctoral and student researchers in the areas of Text Technologies, Phonetics and Speech ...
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Computational Linguistics @ UZH @cl-uzh.bsky.social · 09/02/2026
📣 SwissText 2026 – Call for Papers is open! 🎯 Special theme: #ReproducibleNLP 📅 Submission deadline: 17 March 2026 📍 Zurich, Switzerland · 10 June 2026 www.swisstext.org/call-for-pap... (1/4)
swisstext.org
2026 Call for Papers | SwissText
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Hanxu Hu @hanxuhu.bsky.social · 21/10/2025
💥Introducing new paper: arxiv.org/pdf/2510.17715, QueST — train specialized generators to create challenging coding problems. From Qwen3-8B-Base ✅ 100K synthetic problems: better than Qwen3-8B ✅ Combining with human written problems: matches DeepSeek-R1-671B 🧵(1/5)
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Computational Linguistics @ UZH @cl-uzh.bsky.social · 30/07/2025
Congratulations to @sinaahmadi.bsky.social and co-authors for receiving an ACL 2025 Outstanding Paper Award for PARME: Parallel Corpora for Low-Resourced Middle Eastern Languages! aclanthology.org/2025.acl-lon...
Sina Ahmadi receiving award.
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Computational Linguistics @ UZH @cl-uzh.bsky.social · 29/07/2025
We're proud to see our researchers sharing their latest work: @sinaahmadi.bsky.social, @ricosennrich.bsky.social, @michellewastl.bsky.social, @vamvas.bsky.social and Andrianos Michail (pictured) and many others. If you’re at #ACL, stop by to learn more!
Sina Ahmadi, Rico Sennrich, Michelle Wastl, Jannis Vamvas, Andrianos Michail from the Department of Computational Linguistics posing in front of the at ACL 2025 Vienna step-and-repeat banner
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michellewastl.bsky.social @michellewastl.bsky.social · 26/07/2025
Arrived in Vienna ready for #ACL2025NLP! Excited to present papers with @vamvas.bsky.social @ricosennrich.bsky.social on Unsupervised Translation Direction Detection and Multilingual Hallucination Detection! Come say hi! 👋 #NLProc #NLP #NMT #LLMs
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Jannis Vamvas @vamvas.bsky.social · 23/06/2025
Can you solve my exam question? I've come to believe that multiple-choice exams are underrated. More in my blog post, “The Joy of Multiple-Choice.” vamvas.ch/the-joy-of-m...
Make a guess: How does GPT-4o tokenize the Lithuanian word ‘nebeprisikiškiakopūsteliautum’?
A.	⟨nebepr, is, ik, iškiak, opūste, liautum⟩
B.	⟨neb, pre, ski, kayak, opus, tell, autumn⟩
C.	⟨ne, be, pris, iki, ški, ak, op, ū, stel, ia, utum⟩
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michellewastl.bsky.social @michellewastl.bsky.social · 19/05/2025
I had the pleasure of presenting our paper “20min-XD: A Comparable Corpus of Swiss News Articles (arxiv.org/abs/2504.21677) ”, a joint work with @vamvas.bsky.social , Selena Calleri and @ricosennrich.bsky.social , at SwissText 2025 last week. We are honored to receive Best Paper Award for it! ✨
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Computational Linguistics @ UZH @cl-uzh.bsky.social · 13/05/2025
Our Michelle Wastl is demonstrating her invention, the Translation Direction Detector, at the SwissNLP Expo! Michelle's paper: arxiv.org/abs/2401.06769 Demo: huggingface.co/spaces/Zuric... If you're at the expo, make sure to stop by the Department of Computational Linguistics UZH!
Michelle Wastl at the SwissNLP Expo
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Jannis Vamvas @vamvas.bsky.social · 21/04/2025
Blogged: Reverse-engineering OpenAI's Speculative Decoding. I was curious how GPT-4o can make use of predicted outputs to speed up text generation. vamvas.ch/openai-predi...
vamvas.ch
OpenAI's Speculative Decoding, Reverse-Engineered
Why LLMs are faster if we give them a draft to complete.
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Computational Linguistics @ UZH @cl-uzh.bsky.social · 11/04/2025
Congratulations to Dr. @shaitarova.bsky.social , who just successfully defended her thesis on "Generated Text as the Locus of Language Contact: Exploring the Impact of Generative AI on English and German". Special thanks to the external examiner Natalia Resende!
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Hanxu Hu @hanxuhu.bsky.social · 14/03/2025
I'm thrilled to share my first PhD project, a joint work with @vamvas.bsky.social and @ricosennrich.bsky.social Paper link: arxiv.org/pdf/2503.10494 Long context LLMs have paved the way for document translation, but is simply inputting the whole content the optimal way? Here's the thread 🧵 [1/n]
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Rico Sennrich @ricosennrich.bsky.social · 06/12/2024
Congratulations to Dr. @tannonk.bsky.social, who just successfully defended his thesis on "Leveraging Data, Decoding, and Context for Controlling Text Generation from Pretrained Language Models". Special thanks to the external examiner @feralvam.bsky.social!
Tannon Kew presenting during his viva.
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Jannis Vamvas @vamvas.bsky.social · 11/12/2023
Rico Sennrich (University of Zurich) is hiring a PhD student to work on representations of knowledge in multilingual language models, starting September 2024. Rico is my former advisor and I can greatly recommend working with him. Apply by January 4: jobs.uzh.ch/offene-stell...
jobs.uzh.ch
UZH: PhD Student in Natural Language Processing
You will be joining the Department of Computational Linguistics, which has 5 faculties and around 40 postdoctoral and student researchers in the areas of text technologies, phonetics and speech. You w...
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Jannis Vamvas @vamvas.bsky.social · 03/11/2023
Minimum Bayes Risk decoding has recently gained momentum in #NLProc. However, a generic implementation for @huggingface.bsky.social Transformers has been missing. Check out our new 𝗺𝗯𝗿🔥 repo, which is designed to work with any model and metric on the Hub: github.com/ZurichNLP/mbr
github.com
GitHub - ZurichNLP/mbr: Minimum Bayes Risk Decoding for Hugging Face Transformers
Minimum Bayes Risk Decoding for Hugging Face Transformers - GitHub - ZurichNLP/mbr: Minimum Bayes Risk Decoding for Hugging Face Transformers
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Jannis Vamvas @vamvas.bsky.social · 19/10/2023
Can NLP be used for highlighting differences between two documents? Our EMNLP paper investigates the task of Recognizing Semantic Differences (RSD) with simple, unsupervised approaches. • Demo: huggingface.co/spaces/Zuric... • Paper: huggingface.co/papers/2305.... #NLProc
huggingface.co
Paper page - Towards Unsupervised Recognition of Semantic Differences in Related Documents
Join the discussion on this paper page
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