About

I am a researcher in computer science working at the German Research Center for Artificial Intelligence. My work focuses on probabilistic relational models, especially on lifted probabilistic inference therein. I am also broadly interested in causal models and their applications.

Recent Publications

Compression versus Accuracy: A Hierarchy of Lifted Models

Jan Speller, Malte Luttermann, Marcel Gehrke, Tanya Braun. (2025). "Compression versus Accuracy: A Hierarchy of Lifted Models." Proceedings of the Twenty-Eighth European Conference on Artificial Intelligence (ECAI-2025). IOS Press, Volume 413, pages 5051-5058.
Paper URL

Towards Explainability of Approximate Lifted Model Construction: A Geometric Perspective

Jan Speller, Malte Luttermann, Marcel Gehrke, Tanya Braun. (2025). "Towards Explainability of Approximate Lifted Model Construction: A Geometric Perspective." Proceedings of the First Joint Workshop on Humanities-Centered Artificial Intelligence and Formal & Cognitive Reasoning (CHAI-2025 and FCR-2025) co-located with 48th German Conference on Artificial Intelligence (KI-2025). CEUR, pages 41-56.
Paper Slides URL

Approximate Lifted Model Construction

Malte Luttermann, Jan Speller, Marcel Gehrke, Tanya Braun, Ralf Möller, Mattis Hartwig. (2025). "Approximate Lifted Model Construction." Proceedings of the Thirty-Fourth International Joint Conference on Artificial Intelligence (IJCAI-2025). IJCAI Organization, Volume 34, pages 9077-9085.
Paper Slides Poster URL