Axel Ngonga

Axel Ngonga

axel.ngonga@upb.de
Institution: Paderborn University
Department: Department of Computer Science
Position: Professor of Computer Science
http://dice-research.org
Better data. Smarter AIs.

Knowledge Graphs, Machine Learning, Natural Language Processing

Storage, integration and fusion of knowledge graphs; explainable machine learning, learning on structured data, and neuro-symbolic learning; knowledge extraction with NLP

  • Beyond one-shot explanations: a systematic literature review of dialogue-based xAI approaches (2025)

    Authors: Dimitry Mindlin, Fabian Beer, Leonie Nora Sieger, Stefan Heindorf, Elena Esposito, Axel-Cyrille Ngonga Ngomo, Philipp Cimiano

    Published at: Artificial Intelligence Review (Volume: 58)
    DOI: 10.1007/s10462-024-11007-7

  • Blink: Blank Node Matching Using Embeddings (2025)

    Authors: Alexander Becker, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo

    Published at: Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics (Volume: 15231 LNCS)
    DOI: 10.1007/978-3-031-77844-5_12

  • Evaluating Approximate Nearest Neighbour Search Systems on Knowledge Graph Embeddings (2025)

    Authors: Gaurav Pandit, Michael Röder, Axel-Cyrille Ngonga Ngomo

    Published at: Lecture Notes in Computer Science (Volume: 15718 LNCS)
    DOI: 10.1007/978-3-031-94575-5_4

  • Contextual Augmentation for Entity Linking using Large Language Models (2025)

    Authors: Daniel Vollmers, Hamada M. Zahera, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

    Published at: Proceedings International Conference on Computational Linguistics Coling (Volume: Part F206484-1)

  • FaVEL: Fact Validation Ensemble Learning (2025)

    Authors: Umair Qudus, Franck Lionel Tatkeu Pekarou, Ana Alexandra Morim da Silva, Michael Röder, Axel-Cyrille Ngonga Ngomo

    Published at: Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics (Volume: 15370 LNAI)
    DOI: 10.1007/978-3-031-77792-9_13

  • Robustness Evaluation of Knowledge Graph Embedding Models Under Non-targeted Attacks (2025)

    Authors: Sourabh Kapoor, Arnab Sharma, Michael Röder, Caglar Demir, Axel-Cyrille Ngonga Ngomo

    Published at: Lecture Notes in Computer Science (Volume: 15718 LNCS)
    DOI: 10.1007/978-3-031-94575-5_15

  • UniQ-Gen: Unified Query Generation Across Multiple Knowledge Graphs (2025)

    Authors: Daniel Vollmers, Nikit Srivastava, Hamada M. Zahera, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

    Published at: Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics (Volume: 15370 LNAI)
    DOI: 10.1007/978-3-031-77792-9_11

  • LOLA - An Open-Source Massively Multilingual Large Language Model (2025)

    Authors: Nikit Srivastava, Denis Kuchelev, Tatiana Moteu Ngoli, Kshitij Shetty, Michael Röder, Hamada M. Zahera, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

    Published at: Proceedings International Conference on Computational Linguistics Coling (Volume: Part F206484-1)

  • CLASS MATE: Cross-Lingual Semantic Search for Material Science Driven by Knowledge Graphs (2025)

    Authors: Aleksandr Perevalov, Jiveshwari Chinchghare, Mouli Krishna, Shivam Sharma, Amal Nimmy Lal, Aryman Deshwal, Andreas Both, Axel-Cyrille Ngonga-Ngomo

    Published at: Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics (Volume: 15344 LNCS)
    DOI: 10.1007/978-3-031-78952-6_42

  • Embedding Knowledge Graphs in Function Spaces (2024)

    Authors: Louis Mozart Kamdem Teyou, Caglar Demir, Axel-Cyrille Ngonga Ngomo

    Published at: International Conference on Information and Knowledge Management Proceedings
    DOI: 10.1145/3627673.3679819