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Dr. Stefan Heindorf

Senior Researchers

Projects

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

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

AutoCL: AutoML for Concept Learning

By Jiayi Li, Sheetal Satheesh, Stefan Heindorf, Diego Moussallem, René Speck, Axel-Cyrille Ngonga Ngomo

Explainable Artificial Intelligence, 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

EDGE: Evaluation Framework for Logical vs. Subgraph Explanations for Node Classifiers on Knowledge Graphs

By Rupesh Sapkota, Dominik Köhler, Stefan Heindorf

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 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

Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings

By Hamada M. Zahera, Stefan Heindorf, Stefan Balke, Jonas Haupt, Martin Voigt, Carolin Walter, Fabian Witter, Axel-Cyrille Ngonga Ngomo

ESWC, 2022, #inproceedings

CausalQA: A Benchmark for Causal Question Answering

By Alexander Bondarenko, Magdalena Wolska, Stefan Heindorf, Lukas Blübaum, Axel-Cyrille Ngonga Ngomo, Benno Stein, Pavel Braslavski, Matthias Hagen, Martin Potthast

COLING, 2022, #inproceedings

CovidPubGraph: A FAIR Knowledge Graph of COVID-19 Publications

By Svetlana Pestryakova, Daniel Vollmers, Mohamed Ahmed Sherif, Stefan Heindorf, Muhammad Saleem, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

Scientific Data, 2022, #article

User Involvement in Training Smart Home Agents: Increasing Perceived Controland Understanding

By Leonie Nora Sieger, Julia Hermann, Astrid Schomäcker, Stefan Heindorf, Christian Meske, Celine-Chiara Hey, Aysegül Dogangün

Proceedings of the 10th International Conference on Human-Agent Interaction (HAI '22), December 5--8, 2022, Christchurch, New Zealand, 2022, #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

EvoLearner: Learning Description Logics with Evolutionary Algorithms

By Stefan Heindorf, Lukas Blübaum, Nick D\usterhus, Till Werner, Varun Golani Nandkumar, Caglar Demir, Axel-Cyrille Ngonga Ngomo

WWW, 2022, #inproceedings

Generating Physically Sound Training Data for Image Recognition of Additively Manufactured Parts

By Tobias Nickchen, Stefan Heindorf, Gregor Engels

WACV, 2021, #inproceedings

Convolutional Hypercomplex Embeddings for Link Prediction

By Caglar Demir, Diego Moussallem, Stefan Heindorf, Axel-Cyrille Ngonga Ngomo

Asian Conference on Machine Learning, 2021, #inproceedings

Drift Detection in Text Data with Document Embeddings

By Robert Feldhans, Adrian Wilke, Stefan Heindorf, Mohammad Hossein Shaker, Barbara Hammer, Axel-Cyrille Ngonga Ngomo, Eyke Hüllermeier

Intelligent Data Engineering and Automated Learning -- IDEAL 2021, 2021, #inproceedings

ASSET: A Semi-supervised Approach for Entity Typing in Knowledge Graphs

By Hamada M. Zahera, Stefan Heindorf, Axel-Cyrille Ngonga Ngomo

K-CAP 2021: Knowledge Capture Conference, 2021, #inproceedings

CauseNet: Towards a Causality Graph Extracted from the Web

By Stefan Heindorf, Yan Scholten, Henning Wachsmuth, Axel-Cyrille Ngonga Ngomo, Martin Potthast

CIKM, 2020, #inproceedings

Debiasing Vandalism Detection Models at Wikidata (Extended Abstract)

By Stefan Heindorf, Yan Scholten, Gregor Engels, Martin Potthast

INFORMATIK, 2019, #inproceedings

Debiasing Vandalism Detection Models at Wikidata

By Stefan Heindorf, Yan Scholten, Gregor Engels, Martin Potthast

WWW, 2019, #inproceedings

Semantic Data Mediator: Linking Services to Websites

By Dennis Wolters, Stefan Heindorf, Jonas Kirchhoff, Gregor Engels

Service-Oriented Computing -- ICSOC 2017 Workshops, 2018, #inproceedings

Overview of the Wikidata Vandalism Detection Task at WSDM Cup 2017

By Stefan Heindorf, Martin Potthast, Gregor Engels, Benno Stein

WSDM Cup 2017 Notebook Papers, 2017, #inproceedings

Linking Services to Websites by Leveraging Semantic Data

By Dennis Wolters, Stefan Heindorf, Jonas Kirchhoff, Gregor Engels

2017 IEEE International Conference on Web Services (ICWS), 2017, #inproceedings

WSDM Cup 2017: Vandalism Detection and Triple Scoring

By Stefan Heindorf, Martin Potthast, Hannah Bast, Björn Buchhold, Elmar Haussmann

WSDM, 2017, #inproceedings

Vandalism Detection in Wikidata

By Stefan Heindorf, Martin Potthast, Benno Stein, Gregor Engels

CIKM, 2016, #inproceedings

Towards Vandalism Detection in Knowledge Bases: Corpus Construction and Analysis

By Stefan Heindorf, Martin Potthast, Benno Stein, Gregor Engels

SIGIR, 2015, #inproceedings

Optimized XPath evaluation for Schema-compressed XML data

By Stefan Böttcher, Rita Hartel, Stefan Heindorf

ADC, 2012, #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

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

AutoCL: AutoML for Concept Learning

By Jiayi Li, Sheetal Satheesh, Stefan Heindorf, Diego Moussallem, René Speck, Axel-Cyrille Ngonga Ngomo

Explainable Artificial Intelligence, 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

EDGE: Evaluation Framework for Logical vs. Subgraph Explanations for Node Classifiers on Knowledge Graphs

By Rupesh Sapkota, Dominik Köhler, Stefan Heindorf

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024, #inproceedings