Dr. rer. nat. N'Dah Jean Kouagou

Senior Researchers

ndah.jean.kouagou@upb.de

Matrix (Chat)

@nkouagou:chat.dice-research.org

Phone

+49 5251 605198

Office

F1.304

## Research Interest

My research interests include machine learning on knowledge graphs, explainable machine learning on RDF knowledge bases, deep learning, and large reasoning models. For more, please refer to

Software Frameworks

Ontolearn: Scalable Description Logic Concept Learning Framework

Projects

embeddings.cc – Universal Knowledge Graph Embeddings ENEXA – Efficient Explainable Learning on Knowledge Graphs KnowGraphs – Knowledge Graphs at Scale

Publications

Ontolearn---A Framework for Large-scale OWL Class Expression Learning in Python

By Caglar Demir, Alkid Baci, N'Dah Jean Kouagou, Leonie Nora Sieger, Stefan Heindorf, Simon Bin, Lukas Blübaum, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo

Journal of Machine Learning Research, JMLR, 2025, #article

Benchmarking Knowledge Editing using Logical Rules

By Tatiana Moteu Ngoli, N'Dah Jean Kouagou, Hamada M. Zahera, Axel-Cyrille Ngonga Ngomo

The Semantic Web -- ISWC 2025, 2025, #inproceedings

ROCES: Robust Class Expression Synthesis in Description Logics via Iterative Sampling

By N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

Proceedings of the Thirty-Third International Joint Conference on Artificial Intelligence, IJCAI-24, 2024, #inproceedings

Inference over Unseen Entities, Relations and Literals on Knowledge Graphs

By Caglar Demir, N'Dah Jean Kouagou, Arnab Sharma, Axel-Cyrille Ngonga Ngomo

ECAI Workshops, 2024, #inproceedings

Universal Knowledge Graph Embeddings

By N'Dah Jean Kouagou, Caglar Demir, Hamada M. Zahera, Adrian Wilke, Stefan Heindorf, Jiayi Li, Axel-Cyrille Ngonga Ngomo

Companion Proceedings of the ACM on Web Conference 2024, 2024, #inproceedings

Neural Class Expression Synthesis (Extended Abstract)

By N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

NeSy 2023, 17th International Workshop on Neural-Symbolic Learning and Reasoning, Certosa di Pontignano, Siena, Italy, 2023, #inproceedings

Neural Class Expression Synthesis in ALCHIQ(D)

By N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

Machine Learning and Knowledge Discovery in Databases, 2023, #inproceedings

Neural Class Expression Synthesis

By N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo

The Semantic Web - 20th International Conference, ESWC 2023, Hersonissos, Crete, Greece, May 28 - June 1, 2023, Proceedings, 2023, #inproceedings

Learning Concept Lengths Accelerates Concept Learning in ALC

By N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Ngonga Axel-Cyrille Ngomo

ESWC, 2022, #inproceedings

Ontolearn---A Framework for Large-scale OWL Class Expression Learning in Python

By Caglar Demir, Alkid Baci, N'Dah Jean Kouagou, Leonie Nora Sieger, Stefan Heindorf, Simon Bin, Lukas Blübaum, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo

Journal of Machine Learning Research, JMLR, 2025, #article