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378 Publications
2023 | Journal Article | LibreCat-ID: 46248 | 
LitCQD: Multi-Hop Reasoning in Incomplete Knowledge Graphs with Numeric Literals
C. Demir, M. Wiebesiek, R. Lu, A.-C. Ngonga Ngomo, S. Heindorf, ECML PKDD (2023).
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C. Demir, M. Wiebesiek, R. Lu, A.-C. Ngonga Ngomo, S. Heindorf, ECML PKDD (2023).
2023 | Conference Paper | LibreCat-ID: 50797
A Topic Model for the Data Web
M. Röder, D. Kuchelev, A.-C. Ngonga Ngomo, in: F. Ortiz-Rodriguez, B. Villazón-Terrazas, S. Tiwari, C. Bobed (Eds.), Knowledge Graphs and Semantic Web, Springer Nature Switzerland, Cham, 2023, pp. 183–198.
LibreCat
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M. Röder, D. Kuchelev, A.-C. Ngonga Ngomo, in: F. Ortiz-Rodriguez, B. Villazón-Terrazas, S. Tiwari, C. Bobed (Eds.), Knowledge Graphs and Semantic Web, Springer Nature Switzerland, Cham, 2023, pp. 183–198.
2023 | Book Chapter | LibreCat-ID: 47421 |
Neural Class Expression Synthesis in ALCHIQ(D)
N.J. Kouagou, S. Heindorf, C. Demir, A.-C. Ngonga Ngomo, in: Machine Learning and Knowledge Discovery in Databases: Research Track, Springer Nature Switzerland, Cham, 2023.
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N.J. Kouagou, S. Heindorf, C. Demir, A.-C. Ngonga Ngomo, in: Machine Learning and Knowledge Discovery in Databases: Research Track, Springer Nature Switzerland, Cham, 2023.
2023 | Preprint | LibreCat-ID: 37937 |
Explaining ELH Concept Descriptions through Counterfactual Reasoning
L.N. Sieger, S. Heindorf, L. Blübaum, A.-C. Ngonga Ngomo, ArXiv:2301.05109 (2023).
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L.N. Sieger, S. Heindorf, L. Blübaum, A.-C. Ngonga Ngomo, ArXiv:2301.05109 (2023).
2022 | Conference Paper | LibreCat-ID: 31806
ADAGIO - Automated Data Augmentation of Knowledge Graphs Using Multi-expression Learning
K. Dreßler, M. Sherif, A.-C. Ngonga Ngomo, in: Proceedings of the 33rd ACM Conference on Hypertext and Hypermedia, 2022.
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K. Dreßler, M. Sherif, A.-C. Ngonga Ngomo, in: Proceedings of the 33rd ACM Conference on Hypertext and Hypermedia, 2022.
2022 | Preprint | LibreCat-ID: 31545 |
Kronecker Decomposition for Knowledge Graph Embeddings
C. Demir, J. Lienen, A.-C. Ngonga Ngomo, ArXiv:2205.06560 (2022).
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C. Demir, J. Lienen, A.-C. Ngonga Ngomo, ArXiv:2205.06560 (2022).
2022 | Conference Paper | LibreCat-ID: 35541
MultPAX: Keyphrase Extraction Using Language Models and Knowledge Graphs
H.M. Zahera, D. Vollmers, M.A. Sherif, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, C.M. Keet, V. Presutti, J.P.A. Almeida, H. Takeda, P. Monnin, G. Pirrò, C. d’Amato (Eds.), The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Springer, 2022, pp. 303–318.
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H.M. Zahera, D. Vollmers, M.A. Sherif, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, C.M. Keet, V. Presutti, J.P.A. Almeida, H. Takeda, P. Monnin, G. Pirrò, C. d’Amato (Eds.), The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Springer, 2022, pp. 303–318.
2022 | Conference Paper | LibreCat-ID: 35540
Can Machine Translation be a Reasonable Alternative for Multilingual Question Answering Systems over Knowledge Graphs?
A. Perevalov, A. Both, D. Diefenbach, A.-C. Ngonga Ngomo, in: F. Laforest, R. Troncy, E. Simperl, D. Agarwal, A. Gionis, I. Herman, L. Médini (Eds.), WWW ’22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022, ACM, 2022, pp. 977–986.
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A. Perevalov, A. Both, D. Diefenbach, A.-C. Ngonga Ngomo, in: F. Laforest, R. Troncy, E. Simperl, D. Agarwal, A. Gionis, I. Herman, L. Médini (Eds.), WWW ’22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022, ACM, 2022, pp. 977–986.
2022 | Conference (Editor) | LibreCat-ID: 35538
Proceedings of the QuWeDa 2022: 6th Workshop on Storing, Querying and Benchmarking Knowledge Graphs co-located with 21st International Semantic Web Conference (ISWC 2022), Hangzhou, China, 23-27 October 2022
M. Saleem, A.-C. Ngonga Ngomo, DE, eds., Proceedings of the QuWeDa 2022: 6th Workshop on Storing, Querying and Benchmarking Knowledge Graphs Co-Located with 21st International Semantic Web Conference (ISWC 2022), Hangzhou, China, 23-27 October 2022, CEUR-WS.org, 2022.
LibreCat
M. Saleem, A.-C. Ngonga Ngomo, DE, eds., Proceedings of the QuWeDa 2022: 6th Workshop on Storing, Querying and Benchmarking Knowledge Graphs Co-Located with 21st International Semantic Web Conference (ISWC 2022), Hangzhou, China, 23-27 October 2022, CEUR-WS.org, 2022.
2022 | Conference Paper | LibreCat-ID: 35544
Hashing the Hypertrie: Space- and Time-Efficient Indexing for SPARQL in Tensors
A. Bigerl, L. Conrads, C. Behning, M. Saleem, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, C.M. Keet, V. Presutti, J.P.A. Almeida, H. Takeda, P. Monnin, G. Pirrò, C. d’Amato (Eds.), The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Springer, 2022, pp. 57–73.
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A. Bigerl, L. Conrads, C. Behning, M. Saleem, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, C.M. Keet, V. Presutti, J.P.A. Almeida, H. Takeda, P. Monnin, G. Pirrò, C. d’Amato (Eds.), The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Springer, 2022, pp. 57–73.
2022 | Conference Paper | LibreCat-ID: 35543
REBench: Microbenchmarking Framework for Relation Extraction Systems
M. Ali, M. Saleem, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, C.M. Keet, V. Presutti, J.P.A. Almeida, H. Takeda, P. Monnin, G. Pirrò, C. d’Amato (Eds.), The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Springer, 2022, pp. 643–659.
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M. Ali, M. Saleem, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, C.M. Keet, V. Presutti, J.P.A. Almeida, H. Takeda, P. Monnin, G. Pirrò, C. d’Amato (Eds.), The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Springer, 2022, pp. 643–659.
2022 | Conference Paper | LibreCat-ID: 35542
Rapid Explainability for Skill Description Learning
C. Demir, A. Himmelhuber, Y. Liu, A. Bigerl, D. Moussallem, A.-C. Ngonga Ngomo, in: A. Dimou, A. Haller, A.L. Gentile, P. Ristoski (Eds.), Proceedings of the ISWC 2022 Posters, Demos and Industry Tracks: From Novel Ideas to Industrial Practice Co-Located with 21st International Semantic Web Conference {(ISWC} 2022), Virtual Conference, Hangzhou, China, October 23-27, 2022, CEUR-WS.org, 2022.
LibreCat
C. Demir, A. Himmelhuber, Y. Liu, A. Bigerl, D. Moussallem, A.-C. Ngonga Ngomo, in: A. Dimou, A. Haller, A.L. Gentile, P. Ristoski (Eds.), Proceedings of the ISWC 2022 Posters, Demos and Industry Tracks: From Novel Ideas to Industrial Practice Co-Located with 21st International Semantic Web Conference {(ISWC} 2022), Virtual Conference, Hangzhou, China, October 23-27, 2022, CEUR-WS.org, 2022.
2022 | Conference Paper | LibreCat-ID: 35545
LSQ Framework: The LSQ Framework for SPARQL Query Log Processing
C. Stadler, M. Saleem, A.-C. Ngonga Ngomo, in: M. Saleem, A.-C.N. Ngomo (Eds.), Proceedings of the QuWeDa 2022: 6th Workshop on Storing, Querying and Benchmarking Knowledge Graphs Co-Located with 21st International Semantic Web Conference {(ISWC} 2022), Hangzhou, China, 23-27 October 2022, CEUR-WS.org, 2022, pp. 49–64.
LibreCat
C. Stadler, M. Saleem, A.-C. Ngonga Ngomo, in: M. Saleem, A.-C.N. Ngomo (Eds.), Proceedings of the QuWeDa 2022: 6th Workshop on Storing, Querying and Benchmarking Knowledge Graphs Co-Located with 21st International Semantic Web Conference {(ISWC} 2022), Hangzhou, China, 23-27 October 2022, CEUR-WS.org, 2022, pp. 49–64.
2022 | Conference Paper | LibreCat-ID: 35547
Kronecker Decomposition for Knowledge Graph Embeddings
C. Demir, J. Lienen, A.-C. Ngonga Ngomo, in: A. Bellogín, L. Boratto, F. Cena (Eds.), HT ’22: 33rd ACM Conference on Hypertext and Social Media, Barcelona, Spain, 28 June 2022- 1 July 2022, ACM, 2022, pp. 1–10.
LibreCat
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C. Demir, J. Lienen, A.-C. Ngonga Ngomo, in: A. Bellogín, L. Boratto, F. Cena (Eds.), HT ’22: 33rd ACM Conference on Hypertext and Social Media, Barcelona, Spain, 28 June 2022- 1 July 2022, ACM, 2022, pp. 1–10.
2022 | Journal Article | LibreCat-ID: 35551
A survey of RDF stores & SPARQL engines for querying knowledge graphs
W. Ali, M. Saleem, B. Yao, A. Hogan, A.-C. Ngonga Ngomo, VLDB J. 31 (2022) 1–26.
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W. Ali, M. Saleem, B. Yao, A. Hogan, A.-C. Ngonga Ngomo, VLDB J. 31 (2022) 1–26.
2022 | Journal Article | LibreCat-ID: 35552
Hardware-agnostic computation for large-scale knowledge graph embeddings
C. Demir, A.-C. Ngonga Ngomo, Softw. Impacts 13 (2022) 100377.
LibreCat
| DOI
C. Demir, A.-C. Ngonga Ngomo, Softw. Impacts 13 (2022) 100377.
2022 | Book Chapter | LibreCat-ID: 33738 |
Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings
H.M.A. Zahera, S. Heindorf, S. Balke, J. Haupt, M. Voigt, C. Walter, F. Witter, A.-C. Ngonga Ngomo, in: The Semantic Web: ESWC 2022 Satellite Events, Springer International Publishing, Cham, 2022.
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H.M.A. Zahera, S. Heindorf, S. Balke, J. Haupt, M. Voigt, C. Walter, F. Witter, A.-C. Ngonga Ngomo, in: The Semantic Web: ESWC 2022 Satellite Events, Springer International Publishing, Cham, 2022.
2022 | Conference Paper | LibreCat-ID: 33739 |
CausalQA: A Benchmark for Causal Question Answering
A. Bondarenko, M. Wolska, S. Heindorf, L. Blübaum, A.-C. Ngonga Ngomo, B. Stein, P. Braslavski, M. Hagen, M. Potthast, in: Proceedings of the 29th International Conference on Computational Linguistics, International Committee on Computational Linguistics, Gyeongju, Republic of Korea, 2022, pp. 3296–3308.
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A. Bondarenko, M. Wolska, S. Heindorf, L. Blübaum, A.-C. Ngonga Ngomo, B. Stein, P. Braslavski, M. Hagen, M. Potthast, in: Proceedings of the 29th International Conference on Computational Linguistics, International Committee on Computational Linguistics, Gyeongju, Republic of Korea, 2022, pp. 3296–3308.
2022 | Conference Paper | LibreCat-ID: 46538
MultPAX: Keyphrase Extraction using Language Models and Knowledge Graphs
H.M.A. Zahera, D. Vollmers, M. Sherif, A.-C. Ngonga Ngomo, in: ISWC 2022, Springer, Cham, n.d.
LibreCat
| DOI
H.M.A. Zahera, D. Vollmers, M. Sherif, A.-C. Ngonga Ngomo, in: ISWC 2022, Springer, Cham, n.d.
2022 | Conference Paper | LibreCat-ID: 32509
HybridFC: A Hybrid Fact-Checking Approach for Knowledge Graphs
U. Qudus, M. Röder, M. Saleem, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, M. Keet, V. Presutti (Eds.), The Semantic Web -- ISWC 2022, Springer International Publishing, Cham, n.d., pp. 462--480.
LibreCat
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U. Qudus, M. Röder, M. Saleem, A.-C. Ngonga Ngomo, in: U. Sattler, A. Hogan, M. Keet, V. Presutti (Eds.), The Semantic Web -- ISWC 2022, Springer International Publishing, Cham, n.d., pp. 462--480.