Document-level Relation Extraction using Reinforcement Learning with Knowledge Graph Feedback
A. Manzoor, H.M. Zahera, M. Saleem, Y. Mahmood, R. Speck, H. Khan, A.-C. Ngonga Ngomo, in: The Semantic Web – 23rd European Semantic Web Conference, ESWC 2026, Dubrovnik , Croatia, May 10-14, 2026, Proceedings, 2026.

Multilingual Relation Extraction - A Survey
A. Manzoor, R. Speck, H.M.A. Zahera, M. Saleem, D. Moussallem, A.-C. Ngonga Ngomo, IEEE Access (2025) 1–1.

AutoCL: AutoML for Concept Learning
J. Li, S. Satheesh, S. Heindorf, D. Moussallem, R. Speck, A.-C. Ngonga Ngomo, in: Communications in Computer and Information Science, Springer Nature Switzerland, Cham, 2024.

Twitter network mimicking for data storage benchmarking
R. Speck, D. Moussallem, A.-C.N. Ngomo, in: 2021 IEEE 15th International Conference on Semantic Computing (ICSC), 2021, pp. 298–305.

Towards holistic entity linking: Survey and directions
I.L. Oliveira, R. Fileto, R. Speck, L.P. Garcia, D. Moussallem, J. Lehmann, Information Systems 95 (2021) 101624.

Generating explanations in natural language from knowledge graphs
D. Moussallem, R. Speck, A.-C. Ngonga Ngomo, in: Knowledge Graphs for EXplainable Artificial Intelligence: Foundations, Applications and Challenges, IOS Press, 2020, pp. 213–241.

A general benchmarking framework for text generation
D. Moussallem, P. Kaur, T. Ferreira, C. van der Lee, A. Shimorina, F. Conrads, M. Roder, R. Speck, C. Gardent, S. Mille, in: International Workshop on Natural Language Generation from the Semantic Web 2020, 2020.

Leopard—a baseline approach to attribute prediction and validation for knowledge graph population
R. Speck, A.-C.N. Ngomo, Journal of Web Semantics 55 (2019) 102–107.

Finding Datasets in Publications: The University of Paderborn Approach
R. Jalota, N. Srivastava, D. Vollmers, R. Speck, M. Röder, R. Usbeck, A.-C. Ngonga Ngomo, in: Rich Search and Discovery for Research Datasets, SAGE Publications, 2019.

On extracting relations using distributional semantics and a tree generalization
R. Speck, A.-C. Ngomo Ngonga, in: Knowledge Engineering and Knowledge Management: 21st International Conference, EKAW 2018, Nancy, France, November 12-16, 2018, Proceedings 21, 2018, pp. 424–438.

Open Knowledge Extraction Challenge 2018
R. Speck, M. Röder, F. Conrads, H. Rebba, C.C. Romiyo, G. Salakki, R. Suryawanshi, D. Ahmed, N. Srivastava, M. Mahajan, A.-C. Ngonga Ngomo, in: Semantic Web Evaluation Challenge, Springer International Publishing, 2018, pp. 39–51.

BENGAL: an automatic benchmark generator for entity recognition and linking
A.-C.N. Ngomo, M. Röder, D. Moussallem, R. Usbeck, R. Speck, ArXiv Preprint ArXiv:1710.08691 (2017).

Ensemble learning of named entity recognition algorithms using multilayer perceptron for the multilingual web of data
R. Speck, A.-C.N. Ngomo, in: Proceedings of the 9th Knowledge Capture Conference, 2017, pp. 1–4.

Defacto—temporal and multilingual deep fact validation
D. Gerber, D. Esteves, J. Lehmann, L. Bühmann, R. Usbeck, A.-C.N. Ngomo, R. Speck, Journal of Web Semantics 35 (2015) 85–101.

CETUS–a baseline approach to type extraction
M. Röder, R. Usbeck, R. Speck, A.-C.N. Ngomo, in: Semantic Web Evaluation Challenges: Second SemWebEval Challenge at ESWC 2015, Portoroe, Slovenia, May 31-June 4, 2015, Revised Selected Papers, 2015, pp. 16–27.

Using caching for local link discovery on large data sets
M.M. Hassan, R. Speck, A.-C. Ngonga Ngomo, in: Engineering the Web in the Big Data Era: 15th International Conference, ICWE 2015, Rotterdam, The Netherlands, June 23-26, 2015, Proceedings 15, 2015, pp. 344–354.

Ensemble learning for named entity recognition
R. Speck, A.-C. Ngonga Ngomo, in: The Semantic Web–ISWC 2014: 13th International Semantic Web Conference, Riva Del Garda, Italy, October 19-23, 2014. Proceedings, Part I 13, 2014, pp. 519–534.

On Caching for Local Graph Clustering Algorithms
R. Speck, A.-C. Ngonga Ngomo, in: AI 2013: Advances in Artificial Intelligence: 26th Australasian Joint Conference, Dunedin, New Zealand, December 1-6, 2013. Proceedings 26, 2013, pp. 56–67.

Scms–semantifying content management systems
A.-C. Ngonga Ngomo, N. Heino, K. Lyko, R. Speck, M. Kaltenböck, in: The Semantic Web–ISWC 2011: 10th International Semantic Web Conference, Bonn, Germany, October 23-27, 2011, Proceedings, Part II 10, 2011, pp. 189–204.