The lab’s history,
in chronological order

YEAR

2026

Sep

Sep

EVENT

Prof. Alexander Löser at FACIS Connect ’26: Panel on Industrial Collaboration

At FACIS Connect '26, Prof. Dr. Alexander Löser joined industry leaders from Airbus, Schaeffler, and the International Manufacturing-X Council for the panel discussion "Industrial Collaboration in the Digital Age", focusing on European digital sovereignty and the SOOFI project.

Sep

Tom Röhr Presents SOOFI at DevDay, Joins Sovereign AI Panel
Sep

EVENT

Tom Röhr Presents SOOFI at DevDay, Joins Sovereign AI Panel

Tom Röhr presented SOOFI, a sovereign open-source German foundation model, at DevDay — covering its hybrid Mixture-of-Experts + Mamba-2 architecture, trained on 512 GPUs across 64 nodes over 51 days by an 11-partner consortium including Merantix Momentum. A live demo showed the model writing and self-correcting a Conway's Game of Life implementation. Röhr also joined a panel discussion on sovereign AI at the same event.

Sep

Tom Röhr Gives Opening Keynote at Haystack Conference
Sep

EVENT

Tom Röhr Gives Opening Keynote at Haystack Conference

Tom Röhr delivered the opening keynote at Haystack Europe 2026 (https://haystackconf.com), the Search Relevance Conference, over two days. The talk built on themes from an earlier Merantix presentation and included a dedicated section on the specialization of LLMs.

Sep

Sep

PAPER

Paper Accepted: Same Meaning, Different Scores (LREC 2026)

The paper "Same Meaning, Different Scores: Lexical and Syntactic Sensitivity in LLM Evaluation" by Bogdan Kostić, Julian Risch, and Conor Fallon was accepted at LREC 2026.

Sep

Sep

MEDIA

Alexander Löser Quoted in L’Express

Alexander Löser was quoted as an expert in the L'Express article "AI: From the Black Forest to Siemens – Germany's strategic awakening."

Sep

Sep

PAPER

Paper Accepted: CliniBench (EACL 2026)

The paper "CliniBench: A Clinical Outcome Prediction Benchmark for Generative and Encoder-Based Language Models" by Paul Grundmann, Dennis Fast, Jan Frick, Thomas Steffek, Felix Gers, Wolfgang Nejdl, and Alexander Löser was accepted as a full paper at EACL 2026.

Sep

Sep

PAPER

Paper Accepted: Robust Conformal Prediction for Infrequent Classes (TMLR)

The paper "Robust Conformal Prediction for Infrequent Classes" by Jens-Michalis Papaioannou, Sebastian Jäger, Alexei Figueroa, David Stutz, Betty van Aken, Keno Bressem, Wolfgang Nejdl, Felix Biessmann, and Felix Gers was accepted at Transactions on Machine Learning Research (TMLR), joint work with Google DeepMind, L3S, and Grammarly.

Sep

Sep

RELEASE

Soofi Technical Report Published

The Soofi S pretraining technical report was published as a Hugging Face Space, documenting the sovereign German-English foundation model's development.

Sep

Sep

EVENT

Tom Röhr Speaks at DFKI on Multilingual Training Data for Soofi

Tom Röhr spoke at DFKI about multilingual training datasets used for the Soofi model.

Sep

Sep

EVENT

Alexander Löser on Panel on Sovereign AI in the EU (IPCEI-AI, SOOFI)

Alexander Löser participated in a panel discussing the sovereignty of AI intelligence made and consumed in the EU, in the context of IPCEI-AI and the SOOFI project.

Sep

Sep

RELEASE

Model S-PROTO Published on Hugging Face

The S-PROTO model was published on Hugging Face, supporting classification across 1,900 ICD-10 codes from admission notes and retrieval of similar cases.

Sep

Sep

PAPER

Paper Accepted: DeepICD-R1 (LREC 2026)

The paper "DeepICD-R1: Medical Reasoning through Hierarchical Rewards and Unsupervised Distillation" by Tom Röhr, Thomas Steffek, Roman Teucher, Keno Bressem, Peter Tröger, and Felix Gers was accepted at LREC 2026.

Jul

Jul

MEDIA

Germany’s Digital Minister Highlights SOOFI

SOOFI was featured in the ZDF broadcast "KI-Strategie: Kann Deutschland aufholen?", which covered Germany's AI strategy.

Jul

Jul

MEDIA

Interview in Golem

Digitale Souveränität & the Soofi Project Prof. Dr. Alexander Löser discusses the Soofi model and Germany's chance for AI sovereignty.

Jul

Photo of panel discussion on the future of digital business models.
Jul

MEDIA

Podcast Episode 249

Prof. Dr. Alexander Löser on SOOFI and Europe’s role in the global AI race in Podcast Episode 249: “Deutsches KI-Modell SOOFI: Europas Hoffnung im globalen KI-Wettlauf?

Jul

SOOFI logo
Jul

RELEASE

SOOFI Model Released

The sovereign German-English foundation model SOOFI was publicly released on Hugging Face.

Jun

Jun

EVENT

Alexander Löser Speaks at Deutscher Richterbund Brandenburg on AI in Justice

Alexander Löser spoke to the German Judges Association (Brandenburg) about AI in Justice and the Soofi project.

Jun

Jun

EVENT

Alexander Löser on Panel at FACIS Connect 2026

Alexander Löser joined a panel at FACIS Connect 2026 in Berlin discussing Soofi and modular LLMs.

May

abstract blue
May

PAPER

Demo paper accepted at IJCAI–ECAI 2026

Interactive Multi-Prototype Explanations for Clinical Diagnosis Prediction. Conor Fallon.

Feb

Feb

MEDIA

Handelsblatt: Europa ist bei Sprachmodellen wieder im Spiel

Alexander Löser is featured in the Handelsblatt article "Europa ist bei Sprachmodellen wieder im Spiel," discussing Europe's renewed competitiveness in language models.

2025

Nov

Nov

EVENT

International Workshop on Sovereign Open-Source Foundation Models

DATEXIS participated in the first international workshop on pretraining and posttraining sovereign foundation models, with Tom Röhr leading a session on reasoning post-training.

Jul

Jul

PAPER

Paper accepted: Robust Weight Imprinting

Justus Westerhoff, Golzar Atefi, Mario Koddenbrock, Alexei Figueroa, Alexander Löser, Erik Rodner, Felix Alexander Gers. TMLR 2025.

Jun

Jun

PAPER

Paper Accepted: Multinational Attitudes Toward AI in Health Care (JAMA Network Open)

The paper "Multinational attitudes toward AI in health care and diagnostics among hospital patients" by Felix Busch et al. was accepted at JAMA Network Open.

May

May

EVENT

Jan Frick and Dennis Fast Present at Medizin Informatik Initiative 2025, Leipzig

Jan Frick and Dennis Fast presented at the Medizin Informatik Initiative 2025 workshop in Leipzig.

Feb

Feb

PAPER

Paper Accepted: Comply (NICE 2025)

The paper "Comply: Learning Sentences with Complex Weights inspired by Fruit Fly Olfaction" by Alexei Figueroa, Justus Westerhoff, Golzar Atefi, Dennis Fast, Benjamin Winter, Felix Alexander Gers, Alexander Löser, and Wolfgang Nejdl was accepted at NICE 2025.

Jan

Jan

MEDIA

Alexander Löser: 2-Page Handelsblatt Article on Modular Language Models

Alexander Löser contributed a two-page article in Handelsblatt about modular language models and their potential for German industry.

Jan

Jan

MEDIA

Alexander Löser Podcast: “Artificial Democracy”

Alexander Löser appeared on the podcast "Artificial Democracy."

Jan

Jan

EVENT

Visit of Prof. Steffen Staab and Prof. Kentaro Inui to DATEXIS

Prof. Dr. Steffen Staab (University of Stuttgart) and Prof. Dr. Kentaro Inui (MBZUAI) visited DATEXIS.

Jan

Jan

EVENT

Workshop with BMBF Platform Learning Systems on AI, LLMs, Policy and Media

Alexander Löser led a workshop with the BMBF Platform Learning Systems on AI, LLMs, policies, and media.

Jan

Jan

PAPER

Paper Accepted: “Where does it hurt?” (ECAI 2025)

The paper "'Where does it hurt?' -- Dataset and Study on Physician Intent Trajectories in Doctor Patient Dialogues" by Tom Röhr, Soumyadeep Roy, Fares Al Mohamad, Jens-Michalis Papaioannou, Wolfgang Nejdl, Felix Gers, and Alexander Löser was accepted at the European Conference on AI (ECAI) 2025.

Jan

Jan

EVENT

Laudatio at Connecting the Dots 2025 (BMWK)

Alexander Löser gave the laudatio for the Digital Gipfel Startup Award at Connecting the Dots 2025 (BMWK).

Jan

Jan

AWARD

Alexander Löser, Jury for BITKOM Startup Award

Alexander Löser served as Jury for the BITKOM Startup Award at the AI & Data Summit and Quantum Summit Berlin 2025.

Jan

Jan

EVENT

Handelsblatt Panel: Digitale Geschäftsmodelle, Düsseldorf

Alexander Löser joined a Handelsblatt panel on digital business models in Düsseldorf alongside Jörg Bienert (President, KI Verband) and Hanbing Ma (ERGO).

Jan

Jan

MEDIA

Interview at Platform Lernende Systeme

Alexander Löser was interviewed by Platform Lernende Systeme about how Europe can stay competitive in AI through modular Mixtures of Experts and Large Reasoning Models.

Jan

Jan

MEDIA

Podcast: AI in the Social Economy

Alexander Löser appeared on the Social Economy podcast discussing "Artificial Intelligence in the Social Economy – Visions, Opportunities, and Challenges for 2026."

Jan

Photo of the group Falling Walls 2025
Jan

MEDIA

Falling Walls 2025

Alexander Löser was invited as an expert on NFDI Data Infrastructures – Connected & Resilient AI Enablers.

Jan

Jan

PAPER

Paper Accepted: Longhealth QA Benchmark (Journal of Healthcare Informatics Research)

The paper "Longhealth: A question answering benchmark with long clinical documents" by Lisa Adams, Felix Busch, Tianyu Han, Jean-Baptiste Excoffier, Matthieu Ortala, Alexander Löser, Hugo J.W.L. Aerts, Jakob Nikolas Kather, Daniel Truhn, and Keno Bressem was accepted at the Journal of Healthcare Informatics Research.

Jan

Jan

MEDIA

Modular Language Models for German Industry

Alexander Löser contributed a two-page Handelsblatt article on modular language models and their potential for German industry.

Jan

Jan

PAPER

Paper Accepted: Evaluating Financial Literacy of LLMs (COLING 2025 Workshops)

The paper "Evaluating Financial Literacy of Large Language Models through Domain Specific Languages for Plain Text Accounting" by Alexei Gustavo Figueroa Rosero, Paul Grundmann, Julius Freidank, Wolfgang Nejdl, and Alexander Löser was accepted at COLING 2025 Workshops.

Jan

Jan

PAPER

Paper Accepted: SPONGE (TMLR 2025)

The paper "SPONGE: Competing Sparse Language Representations for Effective Cross-Lingual Knowledge Transfer in Healthcare" by Jens-Michalis Papaioannou, Alexei Figueroa, Conor Fallon, Anna Capilla, Alexandra Bekiaridou, Stavros Zanos, Wolfgang Nejdl, and Alexander Löser was accepted at TMLR 2025.

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