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68 Publications
2023 | Journal Article | LibreCat-ID: 45484
M. A. Sherif, A. A. M. da Silva, S. Pestryakova, A. F. Ahmed, S. Niemann, and A.-C. N. Ngomo, “IngridKG: A FAIR Knowledge Graph of Graffiti,” Scientific Data, vol. 10, no. 1, Art. no. 318, 2023, doi: 10.1038/s41597-023-02199-8.
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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.
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2023 | Preprint | LibreCat-ID: 37937
L. N. Sieger, S. Heindorf, L. Blübaum, and A.-C. Ngonga Ngomo, “Counterfactual Explanations for Concepts in ELH,” arXiv:2301.05109. 2023.
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| arXiv
2023 | Journal Article | LibreCat-ID: 46251 |
C. Demir and A.-C. Ngonga Ngomo, “Neuro-Symbolic Class Expression Learning,” International Joint Conference on Artificial Intelligence, 2023.
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2023 | Book Chapter | LibreCat-ID: 46572
R. H. Gusmita, A. F. Firmansyah, D. Moussallem, and A.-C. Ngonga Ngomo, “IndQNER: Named Entity Recognition Benchmark Dataset from the Indonesian Translation of the Quran,” in Natural Language Processing and Information Systems, Cham: Springer Nature Switzerland, 2023.
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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.
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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.
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2022 | Conference Paper | LibreCat-ID: 29290 |
S. Heindorf et al., “EvoLearner: Learning Description Logics with Evolutionary Algorithms,” in WWW, 2022, pp. 818–828.
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2022 | Conference Paper | LibreCat-ID: 35541
H. M. Zahera, D. Vollmers, M. A. Sherif, and A.-C. Ngonga Ngomo, “MultPAX: Keyphrase Extraction Using Language Models and Knowledge Graphs,” in The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, 2022, vol. 13489, pp. 303–318, doi: 10.1007/978-3-031-19433-7_18.
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2022 | Conference Paper | LibreCat-ID: 35540
A. Perevalov, A. Both, D. Diefenbach, and A.-C. Ngonga Ngomo, “Can Machine Translation be a Reasonable Alternative for Multilingual Question Answering Systems over Knowledge Graphs?,” in WWW ’22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022, 2022, pp. 977–986, doi: 10.1145/3485447.3511940.
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2022 | Conference (Editor) | LibreCat-ID: 35538
M. Saleem, A.-C. Ngonga Ngomo, and 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, vol. 3279. CEUR-WS.org, 2022.
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2022 | Conference Paper | LibreCat-ID: 35544
A. Bigerl, L. Conrads, C. Behning, M. Saleem, and A.-C. Ngonga Ngomo, “Hashing the Hypertrie: Space- and Time-Efficient Indexing for SPARQL in Tensors,” in The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, 2022, vol. 13489, pp. 57–73, doi: 10.1007/978-3-031-19433-7_4.
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2022 | Conference Paper | LibreCat-ID: 35543
M. Ali, M. Saleem, and A.-C. Ngonga Ngomo, “REBench: Microbenchmarking Framework for Relation Extraction Systems,” in The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, 2022, vol. 13489, pp. 643–659, doi: 10.1007/978-3-031-19433-7_37.
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2022 | Conference Paper | LibreCat-ID: 35542
C. Demir, A. Himmelhuber, Y. Liu, A. Bigerl, D. Moussallem, and A.-C. Ngonga Ngomo, “Rapid Explainability for Skill Description Learning,” in 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, 2022, vol. 3254.
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2022 | Conference Paper | LibreCat-ID: 35545
C. Stadler, M. Saleem, and A.-C. Ngonga Ngomo, “LSQ Framework: The LSQ Framework for SPARQL Query Log Processing,” in 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, 2022, vol. 3279, pp. 49–64.
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2022 | Conference Paper | LibreCat-ID: 35547
C. Demir, J. Lienen, and A.-C. Ngonga Ngomo, “Kronecker Decomposition for Knowledge Graph Embeddings,” in HT ’22: 33rd ACM Conference on Hypertext and Social Media, Barcelona, Spain, 28 June 2022- 1 July 2022, 2022, pp. 1–10, doi: 10.1145/3511095.3531276.
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2022 | Conference Paper | LibreCat-ID: 35546
A. Perevalov, A.-C. Ngonga Ngomo, and A. Both, “Enhancing the Accessibility of Knowledge Graph Question Answering Systems through Multilingualization,” in 16th IEEE International Conference on Semantic Computing, ICSC 2022, Laguna Hills, CA, USA, January 26-28, 2022, 2022, pp. 251–256, doi: 10.1109/ICSC52841.2022.00048.
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2022 | Conference Paper | LibreCat-ID: 35549
H. M. Zahera et al., “Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings,” in The Semantic Web: ESWC 2022 Satellite Events - Hersonissos, Crete, Greece, May 29 - June 2, 2022, Proceedings, 2022, vol. 13384, pp. 47–51, doi: 10.1007/978-3-031-11609-4_9.
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2022 | Conference Paper | LibreCat-ID: 35550
A. Bondarenko et al., “CausalQA: A Benchmark for Causal Question Answering,” in Proceedings of the 29th International Conference on Computational Linguistics, COLING 2022, Gyeongju, Republic of Korea, October 12-17, 2022, 2022, pp. 3296–3308.
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2022 | Journal Article | LibreCat-ID: 35553
A. Hogan et al., “Knowledge Graphs,” ACM Comput. Surv., vol. 54, no. 4, p. 71:1–71:37, 2022, doi: 10.1145/3447772.
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2022 | Journal Article | LibreCat-ID: 35551
W. Ali, M. Saleem, B. Yao, A. Hogan, and A.-C. Ngonga Ngomo, “A survey of RDF stores & SPARQL engines for querying knowledge graphs,” VLDB J., vol. 31, no. 3, pp. 1–26, 2022, doi: 10.1007/s00778-021-00711-3.
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2022 | Journal Article | LibreCat-ID: 35552
C. Demir and A.-C. Ngonga Ngomo, “Hardware-agnostic computation for large-scale knowledge graph embeddings,” Softw. Impacts, vol. 13, p. 100377, 2022, doi: 10.1016/j.simpa.2022.100377.
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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.
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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.
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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.
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2022 | Journal Article | LibreCat-ID: 29851 |
S. Pestryakova et al., “CovidPubGraph: A FAIR Knowledge Graph of COVID-19 Publications,” Scientific Data, 2022.
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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.
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| 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.
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2021 | Journal Article | LibreCat-ID: 24721
A. Fathi Ahmed, M. Ahmed Sherif, D. Moussallem, and A.-C. Ngonga Ngomo, “Multilingual Verbalization and Summarization for Explainable Link Discovery,” Data Knowl. Eng., vol. 133, p. 101874, 2021, doi: 10.1016/j.datak.2021.101874.
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2021 | Conference Paper | LibreCat-ID: 24722
M. Röder, P. Frerk, F. Conrads, and A.-C. Ngonga Ngomo, “Applying Grammar-Based Compression to RDF,” in The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings, 2021, vol. 12731, pp. 93–108, doi: 10.1007/978-3-030-77385-4\_6.
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2021 | Conference Paper | LibreCat-ID: 24723
M. Ali, M. Saleem, and A.-C. Ngonga Ngomo, “Unsupervised Relation Extraction Using Sentence Encoding,” in The Semantic Web: {ESWC} 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers, 2021, vol. 12739, pp. 136–140, doi: 10.1007/978-3-030-80418-3\_25.
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2021 | Conference Paper | LibreCat-ID: 24724
M. Ali, M. Saleem, and A.-C. Ngonga Ngomo, “Unsupervised Relation Extraction Using Sentence Encoding,” in The Semantic Web: {ESWC} 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers, 2021, vol. 12739, pp. 136–140, doi: 10.1007/978-3-030-80418-3\_25.
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2021 | Conference Paper | LibreCat-ID: 24725
M. Shahzad, A. Amin, D. Esteves, and A.-C. Ngonga Ngomo, “InferNER: an attentive model leveraging the sentence-level information for Named Entity Recognition in Microblogs,” in Proceedings of the Thirty-Fourth International Florida Artificial Intelligence Research Society Conference, North Miami Beach, Florida, USA, May 17-19, 2021, 2021, doi: 10.32473/flairs.v34i1.128538.
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2021 | Conference Paper | LibreCat-ID: 24726
M. Röder, P. Thuy Sy Nguyen, F. Conrads, A. Alexandra Morim da Silva, and A.-C. Ngonga Ngomo, “Lemming - Example-based Mimicking of Knowledge Graphs,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 62–69, doi: 10.1109/ICSC50631.2021.00015.
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2021 | Conference Paper | LibreCat-ID: 24727
A. Amer Desouki, F. Conrads, M. Röder, and A.-C. Ngonga Ngomo, “SYNTHG: Mimicking RDF Graphs Using Tensor Factorization,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 76–79, doi: 10.1109/ICSC50631.2021.00017.
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2021 | Conference Paper | LibreCat-ID: 24728
C. Demir, D. Moussallem, and A.-C. Ngonga Ngomo, “A shallow neural model for relation prediction,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 179–182, doi: 10.1109/ICSC50631.2021.00038.
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2021 | Conference Paper | LibreCat-ID: 24729
R. G. Athreya, S. Kona Bansal, A.-C. Ngonga Ngomo, and R. Usbeck, “Template-based Question Answering using Recursive Neural Networks,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 195–198, doi: 10.1109/ICSC50631.2021.00041.
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2021 | Conference Paper | LibreCat-ID: 24730
R. Jalota, D. Vollmers, D. Moussallem, and A.-C. Ngonga Ngomo, “LAUREN - Knowledge Graph Summarization for Question Answering,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 221–226, doi: 10.1109/ICSC50631.2021.00047.
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2021 | Conference Paper | LibreCat-ID: 24731
A. Wilke, A. Bannoura, and A.-C. Ngonga Ngomo, “Relicensing Combined Datasets,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 241–247, doi: 10.1109/ICSC50631.2021.00050.
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2021 | Conference Paper | LibreCat-ID: 24732
M. Röder, G. de Souza, D. Kuchelev, A. Amer Desouki, and A.-C. Ngonga Ngomo, “ORCA - a Benchmark for Data Web Crawlers,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 272–279, doi: 10.1109/ICSC50631.2021.00054.
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2021 | Conference Paper | LibreCat-ID: 25203
A. Alexandra Morim da Silva, M. Röder, and A.-C. Ngonga Ngomo, “Using Compositional Embeddings for Fact Checking,” in The Semantic Web - {ISWC} 2021 - 20th International Semantic Web Conference, {ISWC} 2021, Virtual Event, October 24-28, 2021, Proceedings, 2021, vol. 12922, pp. 270–286, doi: 10.1007/978-3-030-88361-4\_16.
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2021 | Conference Paper | LibreCat-ID: 25206
C. Demir and A.-C. Ngonga Ngomo, “Convolutional Complex Knowledge Graph Embeddings,” in The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings, 2021, vol. 12731, pp. 409–424, doi: 10.1007/978-3-030-77385-4\_24.
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2021 | Conference Paper | LibreCat-ID: 25208
R. Speck, D. Moussallem, and A.-C. Ngonga Ngomo, “Twitter Network Mimicking for Data Storage Benchmarking,” in 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 2021, pp. 298–305, doi: 10.1109/ICSC50631.2021.00057.
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2021 | Journal Article | LibreCat-ID: 25209
C. Demir, D. Moussallem, and A.-C. Ngonga Ngomo, “A shallow neural model for relation prediction,” CoRR, vol. abs/2101.09090, 2021.
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2021 | Journal Article | LibreCat-ID: 25210
W. Ali, M. Saleem, B. Yao, A. Hogan, and A.-C. Ngonga Ngomo, “A Survey of RDF Stores \& SPARQL Engines for Querying Knowledge Graphs,” CoRR, vol. abs/2102.13027, 2021.
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2021 | Journal Article | LibreCat-ID: 25211
D. Vollmers, R. Jalota, D. Moussallem, H. Topiwala, A.-C. Ngonga Ngomo, and R. Usbeck, “Knowledge Graph Question Answering using Graph-Pattern Isomorphism,” CoRR, vol. abs/2103.06752, 2021.
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2021 | Journal Article | LibreCat-ID: 25213
A. Sharma, C. Demir, A.-C. Ngonga Ngomo, and H. Wehrheim, “MLCheck- Property-Driven Testing of Machine Learning Models,” CoRR, vol. abs/2105.00741, 2021.
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2021 | Journal Article | LibreCat-ID: 25214
A. Wilke and A.-C. Ngonga Ngomo, “Open Data Portal Germany (OPAL) Projektergebnisse,” CoRR, vol. abs/2105.03161, 2021.
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2021 | Journal Article | LibreCat-ID: 25215
C. Demir and A.-C. Ngonga Ngomo, “Out-of-Vocabulary Entities in Link Prediction,” CoRR, vol. abs/2105.12524, 2021.
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2021 | Journal Article | LibreCat-ID: 25217
C. Demir and A.-C. Ngonga Ngomo, “DRILL- Deep Reinforcement Learning for Refinement Operators in ALC,” CoRR, vol. abs/2106.15373, 2021.
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2021 | Conference Paper | LibreCat-ID: 28350
A. Sharma, C. Demir, A.-C. Ngonga Ngomo, and H. Wehrheim, “MLCHECK–Property-Driven Testing of Machine Learning Classifiers.”
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2021 | Journal Article | LibreCat-ID: 24719
H. M. Zahera, R. Jalota, M. Ahmed Sherif, and A.-C. Ngonga Ngomo, “I-AID: Identifying Actionable Information From Disaster-Related Tweets,” {IEEE} Access, vol. 9, pp. 118861–118870, 2021, doi: 10.1109/ACCESS.2021.3107812.
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2021 | Journal Article | LibreCat-ID: 24720
A. Hogan et al., “Knowledge Graphs,” {ACM} Comput. Surv., vol. 54, no. 4, p. 71:1-71:37, 2021, doi: 10.1145/3447772.
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2021 | Conference Paper | LibreCat-ID: 29047
A. Wilke, A. Bannoura, and A.-C. N. Ngonga Ngomo, “Relicensing Combined Datasets,” in 2021 IEEE 15th International Conference on Semantic Computing (ICSC), 2021, pp. 241–247, doi: 10.1109/ICSC50631.2021.00050.
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2021 | Conference Paper | LibreCat-ID: 29486
A. F. Firmansyah, D. Moussallem, and A.-C. Ngonga Ngomo, “GATES: Using Graph Attention Networks for Entity Summarization,” in Proceedings of the 11th on Knowledge Capture Conference, 2021, pp. 73–80, doi: 10.1145/3460210.3493574.
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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.
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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.
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2021 | Conference Paper | LibreCat-ID: 29287 |
C. Demir, D. Moussallem, S. Heindorf, and A.-C. Ngonga Ngomo, “Convolutional Hypercomplex Embeddings for Link Prediction,” 2021.
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| 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.
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2021 | Journal Article | LibreCat-ID: 24456 |
K. J. Rohlfing et al., “Explanation as a Social Practice: Toward a Conceptual Framework for the Social Design of AI Systems,” IEEE Transactions on Cognitive and Developmental Systems, vol. 13, no. 3, pp. 717–728, 2021, doi: 10.1109/tcds.2020.3044366.
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2021 | Journal Article | LibreCat-ID: 25212
U. Qudus, M. Saleem, A.-C. Ngonga Ngomo, and Y.-K. Lee, “An Empirical Evaluation of Cost-based Federated SPARQL Query Processing Engines,” Semantic Web, vol. 12, no. 6, pp. 843–868, doi: 10.3233/SW-200420.
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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.
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2020 | Book Chapter | LibreCat-ID: 29042
M. Röder, M. Sherif, M. Saleem, F. Conrads, and A.-C. Ngonga Ngomo, “Benchmarking the Lifecycle of Knowledge Graphs,” in Knowledge Graphs for eXplainable Artificial Intelligence: Foundations, Applications and Challenges, I. Tiddi, F. Lécué, and P. Hitzler, Eds. IOS Press, 2020, pp. 73–97.
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