Stefan Heindorf

2026

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Discrete Diffusion-Based Model-Level Explanation of Heterogeneous GNNs with Node Features.
Pallabee Das|Stefan Heindorf
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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Assessing Natural Language Explanations of Relational Graph Neural Networks.
Stefan Heindorf|Daniel Neib
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

2024

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EDGE: Evaluation Framework for Logical vs. Subgraph Explanations for Node Classifiers on Knowledge Graphs.
Rupesh Sapkota|Dominik Köhler|Stefan Heindorf
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Causal Question Answering with Reinforcement Learning.
Lukas Blübaum|Stefan Heindorf
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
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Universal Knowledge Graph Embeddings.
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, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

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Accelerating Concept Learning via Sampling.
Alkid Baci|Stefan Heindorf
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023

2022

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EvoLearner: Learning Description Logics with Evolutionary Algorithms.
Stefan Heindorf|Lukas Blübaum|Nick Düsterhus|Till Werner|Varun Nandkumar Golani|Caglar Demir|Axel-Cyrille Ngonga Ngomo
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2020

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CauseNet: Towards a Causality Graph Extracted from the Web.
Stefan Heindorf|Yan Scholten|Henning Wachsmuth|Axel-Cyrille Ngonga Ngomo|Martin Potthast
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

2019

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Debiasing Vandalism Detection Models at Wikidata.
Stefan Heindorf|Yan Scholten|Gregor Engels|Martin Potthast
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2017

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WSDM Cup 2017: Vandalism Detection and Triple Scoring.
Stefan Heindorf|Martin Potthast|Hannah Bast|Björn Buchhold|Elmar Haussmann
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

2016

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Vandalism Detection in Wikidata.
Stefan Heindorf|Martin Potthast|Benno Stein|Gregor Engels
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2015

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Towards Vandalism Detection in Knowledge Bases: Corpus Construction and Analysis.
Stefan Heindorf|Martin Potthast|Benno Stein|Gregor Engels
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015