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

  • 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

  • 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

  • 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

  • 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

  • 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

  • ExPrompt: Augmenting Prompts Using Examples as Modern Baseline for Stance Classification (2024)

    Authors: Umair Qudus, Michael Röder, Daniel Vollmers, Axel-Cyrille Ngonga Ngomo

    Published at: International Conference on Information and Knowledge Management, Proceedings
    DOI: 10.1145/3627673.3679923

  • Embedding Knowledge Graphs in Degenerate Clifford Algebras (2024)

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

    Published at: Frontiers in Artificial Intelligence and Applications (Volume: 392)
    DOI: 10.3233/FAIA240627

  • Universal Knowledge Graph Embeddings (2024)

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

    Published at: WWW 2024 Companion - Companion Proceedings of the ACM Web Conference
    DOI: 10.1145/3589335.3651978

  • LSQ 2.0: A linked dataset of SPARQL query logs (2024)

    Authors: Claus Stadler, Muhammad Saleem, Qaiser Mehmood, Carlos Buil-Aranda, Michel Dumontier, Aidan Hogan, Axel-Cyrille Ngonga Ngomo

    Published at: Semantic Web (Volume: 15)
    DOI: 10.3233/SW-223015