Stefan Heindorf
Data Science Junior Research Group
Data Science / Heinz Nixdorf Institut
heindorf@uni-paderborn.deID
37 Publications
2025 | Journal Article | LibreCat-ID: 54450 |

D. Mindlin et al., “Beyond One-Shot Explanations: A Systematic Literature Review of Dialogue-Based XAI Approaches,” Artificial Intelligence Review, vol. 58, no. 3, Art. no. 81, 2025, doi: 10.1007/s10462-024-11007-7.
LibreCat
| DOI
| Download (ext.)
2024 | Conference Paper | LibreCat-ID: 54449 |

N. J. KOUAGOU et al., “Universal Knowledge Graph Embeddings,” presented at the Companion Proceedings of the ACM on Web Conference 2024, Singapore, 2024, doi: 10.1145/3589335.3651978.
LibreCat
| DOI
| Download (ext.)
2024 | Preprint | LibreCat-ID: 54448 |

D. Köhler and S. Heindorf, “Utilizing Description Logics for Global Explanations of Heterogeneous Graph Neural Networks,” arXiv:2405.12654. 2024.
LibreCat
| Download (ext.)
| arXiv
2024 | Conference Paper | LibreCat-ID: 52231 |

L. Blübaum and S. Heindorf, “Causal Question Answering with Reinforcement Learning,” in The World Wide Web Conference (WWW), Singapore, pp. 2204–2215, doi: 10.1145/3589334.3645610.
LibreCat
| DOI
| Download (ext.)
2024 | Conference Paper | LibreCat-ID: 56213 |

R. Sapkota, D. Köhler, and S. Heindorf, “EDGE: Evaluation Framework for Logical vs. Subgraph Explanations for Node Classifiers on Knowledge Graphs,” presented at the 33rd ACM International Conference on Information and Knowledge Management, Boise, Idaho, USA, 2024, doi: 10.1145/3627673.3679904.
LibreCat
| DOI
| Download (ext.)
2023 | Book Chapter | LibreCat-ID: 46460
A.-C. Ngonga Ngomo, C. Demir, N. J. Kouagou, S. Heindorf, N. Karalis, and A. Bigerl, “Class Expression Learning with Multiple Representations,” in Compendium of Neurosymbolic Artificial Intelligence, IOS Press, 2023, pp. 272–286.
LibreCat
2023 | Journal Article | LibreCat-ID: 46248 |

C. Demir, M. Wiebesiek, R. Lu, A.-C. Ngonga Ngomo, and S. Heindorf, “LitCQD: Multi-Hop Reasoning in Incomplete Knowledge Graphs with Numeric Literals,” ECML PKDD, 2023.
LibreCat
| Files available
2023 | Book Chapter | LibreCat-ID: 47421 |

N. J. Kouagou, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Neural Class Expression Synthesis in ALCHIQ(D),” in Machine Learning and Knowledge Discovery in Databases: Research Track, Cham: Springer Nature Switzerland, 2023.
LibreCat
| Files available
| DOI
| Download (ext.)
2023 | Preprint | LibreCat-ID: 37937 |

L. N. Sieger, S. Heindorf, L. Blübaum, and A.-C. Ngonga Ngomo, “Explaining ELH Concept Descriptions through Counterfactual Reasoning,” arXiv:2301.05109. 2023.
LibreCat
| Download (ext.)
| arXiv
2023 | Conference Paper | LibreCat-ID: 54612
N. J. KOUAGOU, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Neural Class Expression Synthesis (Extended Abstract),” 2023.
LibreCat
2023 | Conference Paper | LibreCat-ID: 33734 |

N. J. KOUAGOU, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Neural Class Expression Synthesis,” in The Semantic Web - 20th Extended Semantic Web Conference (ESWC 2023), Hersonissos, Crete, Greece, 2023, vol. 13870, pp. 209–226, doi: https://doi.org/10.1007/978-3-031-33455-9_13.
LibreCat
| DOI
| Download (ext.)
2023 | Conference Paper | LibreCat-ID: 46575 |

A. Baci and S. Heindorf, “Accelerating Concept Learning via Sampling,” in CIKM, Birmingham, UK, 2023, pp. 3733–3737, doi: 10.1145/3583780.3615158.
LibreCat
| Files available
| DOI
2022 | Conference Paper | LibreCat-ID: 33957
S. Deppe, L. Brandt, M. Brünninghaus, J. Papenkordt, S. Heindorf, and G. Tschirner-Vinke, “AI-Based Assistance System for Manufacturing.” 2022, doi: 10.1109/ETFA52439.2022.9921520.
LibreCat
| Files available
| DOI
2022 | Book Chapter | LibreCat-ID: 33740 |

N. J. KOUAGOU, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Learning Concept Lengths Accelerates Concept Learning in ALC,” in The Semantic Web, Cham: Springer International Publishing, 2022.
LibreCat
| Files available
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 29290 |

S. Heindorf et al., “EvoLearner: Learning Description Logics with Evolutionary Algorithms,” in WWW, 2022, pp. 818–828, doi: 10.1145/3485447.3511925.
LibreCat
| DOI
| Download (ext.)
2022 | Journal Article | LibreCat-ID: 29851 |

S. Pestryakova et al., “CovidPubGraph: A FAIR Knowledge Graph of COVID-19 Publications,” Scientific Data, 2022, doi: 10.1038/s41597-022-01298-2.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 34674 |

L. N. Sieger et al., “User Involvement in Training Smart Home Agents,” presented at the HAI ’22: International Conference on Human-Agent Interaction, Christchurch, New Zealand, 2022, doi: 10.1145/3527188.3561914.
LibreCat
| Files available
| DOI
| Download (ext.)
2022 | Book Chapter | LibreCat-ID: 33738 |

H. M. A. Zahera et al., “Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings,” in The Semantic Web: ESWC 2022 Satellite Events, Cham: Springer International Publishing, 2022.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 33739 |

A. Bondarenko et al., “CausalQA: A Benchmark for Causal Question Answering,” in Proceedings of the 29th International Conference on Computational Linguistics, 2022, pp. 3296–3308.
LibreCat
| Download (ext.)
2021 | Book Chapter | LibreCat-ID: 29292 |

R. Feldhans et al., “Drift Detection in Text Data with Document Embeddings,” in Intelligent Data Engineering and Automated Learning – IDEAL 2021, Cham: Springer International Publishing, 2021.
LibreCat
| Files available
| DOI
| Download (ext.)
2021 | Conference Paper | LibreCat-ID: 29287 |

C. Demir, D. Moussallem, S. Heindorf, and A.-C. Ngonga Ngomo, “Convolutional Hypercomplex Embeddings for Link Prediction,” 2021.
LibreCat
| Download (ext.)
| arXiv
2021 | Conference Paper | LibreCat-ID: 29294 |

T. Nickchen, S. Heindorf, and G. Engels, “Generating Physically Sound Training Data for Image Recognition of Additively Manufactured Parts,” 2021, doi: 10.1109/wacv48630.2021.00204.
LibreCat
| DOI
| Download (ext.)
2021 | Patent | LibreCat-ID: 33733 |

S. Heindorf, “Automatically generating instructions from tutorials for search and user navigation.” 2021.
LibreCat
| Download (ext.)
2021 | Conference Paper | LibreCat-ID: 29291 |

H. M. A. Zahera, S. Heindorf, and A.-C. Ngonga Ngomo, “ASSET: A Semi-supervised Approach for Entity Typing in Knowledge Graphs,” 2021, doi: 10.1145/3460210.3493563.
LibreCat
| Files available
| DOI
| Download (ext.)
2020 | Conference Paper | LibreCat-ID: 20141 |

S. Heindorf, Y. Scholten, H. Wachsmuth, A.-C. Ngonga Ngomo, and M. Potthast, “CauseNet: Towards a Causality Graph Extracted from the Web,” in Proceedings of the 28th ACM International Conference on Information and Knowledge Management (CIKM 2020), 2020, pp. 3023–3030, doi: 10.1145/3340531.3412763.
LibreCat
| DOI
| Download (ext.)
2019 | Conference Paper | LibreCat-ID: 7668 |

S. Heindorf, Y. Scholten, G. Engels, and M. Potthast, “Debiasing Vandalism Detection Models at Wikidata,” in WWW, San Francisco, USA, 2019, pp. 670–680.
LibreCat
| Files available
| DOI
| Download (ext.)
2019 | Dissertation | LibreCat-ID: 15333
S. Heindorf, Vandalism Detection in Crowdsourced Knowledge Bases. Universität Paderborn, 2019.
LibreCat
| Files available
2019 | Conference Paper | LibreCat-ID: 14568 |

S. Heindorf, Y. Scholten, G. Engels, and M. Potthast, “Debiasing Vandalism Detection Models at Wikidata (Extended Abstract),” in INFORMATIK, 2019, pp. 289–290.
LibreCat
| DOI
| Download (ext.)
2018 | Conference Paper | LibreCat-ID: 5831 |

D. Wolters, S. Heindorf, J. Kirchhoff, and G. Engels, “Semantic Data Mediator: Linking Services to Websites,” in Service-Oriented Computing -- ICSOC 2017 Workshops, 2018, pp. 388–392, doi: 10.1007/978-3-319-91764-1_36.
LibreCat
| DOI
| Download (ext.)
2017 | Conference Paper | LibreCat-ID: 5829 |

D. Wolters, S. Heindorf, J. Kirchhoff, and G. Engels, “Linking Services to Websites by Leveraging Semantic Data,” in 2017 IEEE International Conference on Web Services (ICWS), 2017, doi: 10.1109/icws.2017.80.
LibreCat
| DOI
| Download (ext.)
2017 | Conference Paper | LibreCat-ID: 6722 |

S. Heindorf, M. Potthast, G. Engels, and B. Stein, “Overview of the Wikidata Vandalism Detection Task at WSDM Cup 2017,” 2017.
LibreCat
| Download (ext.)
2017 | Conference Paper | LibreCat-ID: 6721 |

S. Heindorf, M. Potthast, H. Bast, B. Buchhold, and E. Haussmann, “WSDM Cup 2017: Vandalism Detection and Triple Scoring,” in WSDM, 2017, pp. 827–828, doi: 10.1145/3018661.3022762.
LibreCat
| DOI
| Download (ext.)
2016 | Conference Paper | LibreCat-ID: 137 |

S. Heindorf, M. Potthast, B. Stein, and G. Engels, “Vandalism Detection in Wikidata,” in Proceedings of the 25th International Conference on Information and Knowledge Management (CIKM 2016), 2016, pp. 327--336, doi: 10.1145/2983323.2983740.
LibreCat
| Files available
| DOI
| Download (ext.)
2015 | Conference Paper | LibreCat-ID: 6719 |

S. Heindorf, M. Potthast, B. Stein, and G. Engels, “Towards Vandalism Detection in Knowledge Bases,” in SIGIR, 2015, pp. 831–834, doi: 10.1145/2766462.2767804.
LibreCat
| Files available
| DOI
| Download (ext.)
2012 | Conference Paper | LibreCat-ID: 6720
S. Böttcher, R. Hartel, and S. Heindorf, “Optimized XPath evaluation for Schema-compressed XML data,” in ADC, 2012, vol. 124, pp. 137–144.
LibreCat
37 Publications
2025 | Journal Article | LibreCat-ID: 54450 |

D. Mindlin et al., “Beyond One-Shot Explanations: A Systematic Literature Review of Dialogue-Based XAI Approaches,” Artificial Intelligence Review, vol. 58, no. 3, Art. no. 81, 2025, doi: 10.1007/s10462-024-11007-7.
LibreCat
| DOI
| Download (ext.)
2024 | Conference Paper | LibreCat-ID: 54449 |

N. J. KOUAGOU et al., “Universal Knowledge Graph Embeddings,” presented at the Companion Proceedings of the ACM on Web Conference 2024, Singapore, 2024, doi: 10.1145/3589335.3651978.
LibreCat
| DOI
| Download (ext.)
2024 | Preprint | LibreCat-ID: 54448 |

D. Köhler and S. Heindorf, “Utilizing Description Logics for Global Explanations of Heterogeneous Graph Neural Networks,” arXiv:2405.12654. 2024.
LibreCat
| Download (ext.)
| arXiv
2024 | Conference Paper | LibreCat-ID: 52231 |

L. Blübaum and S. Heindorf, “Causal Question Answering with Reinforcement Learning,” in The World Wide Web Conference (WWW), Singapore, pp. 2204–2215, doi: 10.1145/3589334.3645610.
LibreCat
| DOI
| Download (ext.)
2024 | Conference Paper | LibreCat-ID: 56213 |

R. Sapkota, D. Köhler, and S. Heindorf, “EDGE: Evaluation Framework for Logical vs. Subgraph Explanations for Node Classifiers on Knowledge Graphs,” presented at the 33rd ACM International Conference on Information and Knowledge Management, Boise, Idaho, USA, 2024, doi: 10.1145/3627673.3679904.
LibreCat
| DOI
| Download (ext.)
2023 | Book Chapter | LibreCat-ID: 46460
A.-C. Ngonga Ngomo, C. Demir, N. J. Kouagou, S. Heindorf, N. Karalis, and A. Bigerl, “Class Expression Learning with Multiple Representations,” in Compendium of Neurosymbolic Artificial Intelligence, IOS Press, 2023, pp. 272–286.
LibreCat
2023 | Journal Article | LibreCat-ID: 46248 |

C. Demir, M. Wiebesiek, R. Lu, A.-C. Ngonga Ngomo, and S. Heindorf, “LitCQD: Multi-Hop Reasoning in Incomplete Knowledge Graphs with Numeric Literals,” ECML PKDD, 2023.
LibreCat
| Files available
2023 | Book Chapter | LibreCat-ID: 47421 |

N. J. Kouagou, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Neural Class Expression Synthesis in ALCHIQ(D),” in Machine Learning and Knowledge Discovery in Databases: Research Track, Cham: Springer Nature Switzerland, 2023.
LibreCat
| Files available
| DOI
| Download (ext.)
2023 | Preprint | LibreCat-ID: 37937 |

L. N. Sieger, S. Heindorf, L. Blübaum, and A.-C. Ngonga Ngomo, “Explaining ELH Concept Descriptions through Counterfactual Reasoning,” arXiv:2301.05109. 2023.
LibreCat
| Download (ext.)
| arXiv
2023 | Conference Paper | LibreCat-ID: 54612
N. J. KOUAGOU, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Neural Class Expression Synthesis (Extended Abstract),” 2023.
LibreCat
2023 | Conference Paper | LibreCat-ID: 33734 |

N. J. KOUAGOU, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Neural Class Expression Synthesis,” in The Semantic Web - 20th Extended Semantic Web Conference (ESWC 2023), Hersonissos, Crete, Greece, 2023, vol. 13870, pp. 209–226, doi: https://doi.org/10.1007/978-3-031-33455-9_13.
LibreCat
| DOI
| Download (ext.)
2023 | Conference Paper | LibreCat-ID: 46575 |

A. Baci and S. Heindorf, “Accelerating Concept Learning via Sampling,” in CIKM, Birmingham, UK, 2023, pp. 3733–3737, doi: 10.1145/3583780.3615158.
LibreCat
| Files available
| DOI
2022 | Conference Paper | LibreCat-ID: 33957
S. Deppe, L. Brandt, M. Brünninghaus, J. Papenkordt, S. Heindorf, and G. Tschirner-Vinke, “AI-Based Assistance System for Manufacturing.” 2022, doi: 10.1109/ETFA52439.2022.9921520.
LibreCat
| Files available
| DOI
2022 | Book Chapter | LibreCat-ID: 33740 |

N. J. KOUAGOU, S. Heindorf, C. Demir, and A.-C. Ngonga Ngomo, “Learning Concept Lengths Accelerates Concept Learning in ALC,” in The Semantic Web, Cham: Springer International Publishing, 2022.
LibreCat
| Files available
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 29290 |

S. Heindorf et al., “EvoLearner: Learning Description Logics with Evolutionary Algorithms,” in WWW, 2022, pp. 818–828, doi: 10.1145/3485447.3511925.
LibreCat
| DOI
| Download (ext.)
2022 | Journal Article | LibreCat-ID: 29851 |

S. Pestryakova et al., “CovidPubGraph: A FAIR Knowledge Graph of COVID-19 Publications,” Scientific Data, 2022, doi: 10.1038/s41597-022-01298-2.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 34674 |

L. N. Sieger et al., “User Involvement in Training Smart Home Agents,” presented at the HAI ’22: International Conference on Human-Agent Interaction, Christchurch, New Zealand, 2022, doi: 10.1145/3527188.3561914.
LibreCat
| Files available
| DOI
| Download (ext.)
2022 | Book Chapter | LibreCat-ID: 33738 |

H. M. A. Zahera et al., “Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings,” in The Semantic Web: ESWC 2022 Satellite Events, Cham: Springer International Publishing, 2022.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 33739 |

A. Bondarenko et al., “CausalQA: A Benchmark for Causal Question Answering,” in Proceedings of the 29th International Conference on Computational Linguistics, 2022, pp. 3296–3308.
LibreCat
| Download (ext.)
2021 | Book Chapter | LibreCat-ID: 29292 |

R. Feldhans et al., “Drift Detection in Text Data with Document Embeddings,” in Intelligent Data Engineering and Automated Learning – IDEAL 2021, Cham: Springer International Publishing, 2021.
LibreCat
| Files available
| DOI
| Download (ext.)
2021 | Conference Paper | LibreCat-ID: 29287 |

C. Demir, D. Moussallem, S. Heindorf, and A.-C. Ngonga Ngomo, “Convolutional Hypercomplex Embeddings for Link Prediction,” 2021.
LibreCat
| Download (ext.)
| arXiv
2021 | Conference Paper | LibreCat-ID: 29294 |

T. Nickchen, S. Heindorf, and G. Engels, “Generating Physically Sound Training Data for Image Recognition of Additively Manufactured Parts,” 2021, doi: 10.1109/wacv48630.2021.00204.
LibreCat
| DOI
| Download (ext.)
2021 | Patent | LibreCat-ID: 33733 |

S. Heindorf, “Automatically generating instructions from tutorials for search and user navigation.” 2021.
LibreCat
| Download (ext.)
2021 | Conference Paper | LibreCat-ID: 29291 |

H. M. A. Zahera, S. Heindorf, and A.-C. Ngonga Ngomo, “ASSET: A Semi-supervised Approach for Entity Typing in Knowledge Graphs,” 2021, doi: 10.1145/3460210.3493563.
LibreCat
| Files available
| DOI
| Download (ext.)
2020 | Conference Paper | LibreCat-ID: 20141 |

S. Heindorf, Y. Scholten, H. Wachsmuth, A.-C. Ngonga Ngomo, and M. Potthast, “CauseNet: Towards a Causality Graph Extracted from the Web,” in Proceedings of the 28th ACM International Conference on Information and Knowledge Management (CIKM 2020), 2020, pp. 3023–3030, doi: 10.1145/3340531.3412763.
LibreCat
| DOI
| Download (ext.)
2019 | Conference Paper | LibreCat-ID: 7668 |

S. Heindorf, Y. Scholten, G. Engels, and M. Potthast, “Debiasing Vandalism Detection Models at Wikidata,” in WWW, San Francisco, USA, 2019, pp. 670–680.
LibreCat
| Files available
| DOI
| Download (ext.)
2019 | Dissertation | LibreCat-ID: 15333
S. Heindorf, Vandalism Detection in Crowdsourced Knowledge Bases. Universität Paderborn, 2019.
LibreCat
| Files available
2019 | Conference Paper | LibreCat-ID: 14568 |

S. Heindorf, Y. Scholten, G. Engels, and M. Potthast, “Debiasing Vandalism Detection Models at Wikidata (Extended Abstract),” in INFORMATIK, 2019, pp. 289–290.
LibreCat
| DOI
| Download (ext.)
2018 | Conference Paper | LibreCat-ID: 5831 |

D. Wolters, S. Heindorf, J. Kirchhoff, and G. Engels, “Semantic Data Mediator: Linking Services to Websites,” in Service-Oriented Computing -- ICSOC 2017 Workshops, 2018, pp. 388–392, doi: 10.1007/978-3-319-91764-1_36.
LibreCat
| DOI
| Download (ext.)
2017 | Conference Paper | LibreCat-ID: 5829 |

D. Wolters, S. Heindorf, J. Kirchhoff, and G. Engels, “Linking Services to Websites by Leveraging Semantic Data,” in 2017 IEEE International Conference on Web Services (ICWS), 2017, doi: 10.1109/icws.2017.80.
LibreCat
| DOI
| Download (ext.)
2017 | Conference Paper | LibreCat-ID: 6722 |

S. Heindorf, M. Potthast, G. Engels, and B. Stein, “Overview of the Wikidata Vandalism Detection Task at WSDM Cup 2017,” 2017.
LibreCat
| Download (ext.)
2017 | Conference Paper | LibreCat-ID: 6721 |

S. Heindorf, M. Potthast, H. Bast, B. Buchhold, and E. Haussmann, “WSDM Cup 2017: Vandalism Detection and Triple Scoring,” in WSDM, 2017, pp. 827–828, doi: 10.1145/3018661.3022762.
LibreCat
| DOI
| Download (ext.)
2016 | Conference Paper | LibreCat-ID: 137 |

S. Heindorf, M. Potthast, B. Stein, and G. Engels, “Vandalism Detection in Wikidata,” in Proceedings of the 25th International Conference on Information and Knowledge Management (CIKM 2016), 2016, pp. 327--336, doi: 10.1145/2983323.2983740.
LibreCat
| Files available
| DOI
| Download (ext.)
2015 | Conference Paper | LibreCat-ID: 6719 |

S. Heindorf, M. Potthast, B. Stein, and G. Engels, “Towards Vandalism Detection in Knowledge Bases,” in SIGIR, 2015, pp. 831–834, doi: 10.1145/2766462.2767804.
LibreCat
| Files available
| DOI
| Download (ext.)
2012 | Conference Paper | LibreCat-ID: 6720
S. Böttcher, R. Hartel, and S. Heindorf, “Optimized XPath evaluation for Schema-compressed XML data,” in ADC, 2012, vol. 124, pp. 137–144.
LibreCat