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

  • Benchmarking Knowledge Editing Using Logical Rules (2026)

    Authors: Tatiana Moteu Ngoli, N’Dah Jean Kouagou, Hamada M. Zahera, Axel-Cyrille Ngonga Ngomo

    Published at: Lecture Notes in Computer Science (Volume: 16141 LNCS)
    DOI: 10.1007/978-3-032-09530-5_3

  • ELEVATE-ID: Extending Large Language Models for End-to-End Entity Linking Evaluation in Indonesian (2026)

    Authors: Ria Hari Gusmita, Asep Fajar Firmansyah, Hamada M. Zahera, Axel-Cyrille Ngonga Ngomo

    Published at: Data and Knowledge Engineering (Volume: 161)
    DOI: 10.1016/j.datak.2025.102504

  • Tree-Based OWL Class Expression Learner over Large Graphs (2026)

    Authors: Caglar Demir, Moshood Yekini, Michael Röder, Yasir Mahmood, Axel-Cyrille Ngonga Ngomo

    Published at: Lecture Notes in Computer Science (Volume: 16015 LNCS)
    DOI: 10.1007/978-3-032-06066-2_29

  • Parameter Averaging in Link Prediction (2025)

    Authors: Rupesh Sapkota, Caglar Demir, Arnab Sharma, Axel-Cyrille Ngonga Ngomo

    Published at: K CAP 2025 Proceedings of the 13th Knowledge Capture Conference 2025
    DOI: 10.1145/3731443.3771365

  • Evaluation of Entity and Relation Linking for Question Answering over Knowledge Graphs (2025)

    Authors: Daniel Vollmers, René Speck, Hamada M. Zahera, Axel-Cyrille Ngonga Ngomo

    Published at: K CAP 2025 Proceedings of the 13th Knowledge Capture Conference 2025
    DOI: 10.1145/3731443.3771370

  • Explainable Benchmarking through the Lense of Concept Learning (2025)

    Authors: Quannian Zhang, Michael Röder, Nikit Srivastava, N'Dah Jean Kouagou, Axel-Cyrille Ngonga Ngomo

    Published at: K CAP 2025 Proceedings of the 13th Knowledge Capture Conference 2025
    DOI: 10.1145/3731443.3771359

  • NL2LS: LLM-based Automatic Linking of Knowledge Graphs (2025)

    Authors: Reda Ihtassine, Asep Fajar Firmansyah, Nikit Srivastava, Manzoor Ali, Axel-Cyrille Ngonga Ngomo, Mohamed Ahmed Sherif

    Published at: K CAP 2025 Proceedings of the 13th Knowledge Capture Conference 2025
    DOI: 10.1145/3731443.3771374

  • Neural Reasoning for Robust Instance Retrieval in SHOIQ (2025)

    Authors: Louis Mozart Kamdem Teyou, Luke Friedrichs, N'Dah Jean Kouagou, Caglar Demir, Yasir Mahmood, Stefan Heindorf, Axel-Cyrille Ngonga Ngomo

    Published at: K CAP 2025 Proceedings of the 13th Knowledge Capture Conference 2025
    DOI: 10.1145/3731443.3771348

  • 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

  • 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