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374 Publications


2023 | Research Data | LibreCat-ID: 45560
RELD: A Knowledge Graph of Relation Extraction Datasets
M. Ali, M. Saleem, D. Moussallem, M. Sherif, A.-C. Ngonga Ngomo, RELD: A Knowledge Graph of Relation Extraction Datasets, LibreCat University, 2023.
LibreCat | DOI
 

2023 | Conference Paper | LibreCat-ID: 33734 | OA
Neural Class Expression Synthesis
N.J. KOUAGOU, S. Heindorf, C. Demir, A.-C. Ngonga Ngomo, in: C. Pesquita, E. Jimenez-Ruiz, J. McCusker, D. Faria, M. Dragoni, A. Dimou, R. Troncy, S. Hertling (Eds.), The Semantic Web - 20th Extended Semantic Web Conference (ESWC 2023), Springer International Publishing, 2023, pp. 209–226.
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2023 | Preprint | LibreCat-ID: 37937
Counterfactual Explanations for Concepts in ELH
L.N. Sieger, S. Heindorf, L. Blübaum, A.-C. Ngonga Ngomo, ArXiv:2301.05109 (2023).
LibreCat | Download (ext.) | arXiv
 

2023 | Book Chapter | LibreCat-ID: 45884 | OA
Configuration and Evaluation
J.M. Hanselle, E. Hüllermeier, F. Mohr, A.-C. Ngonga Ngomo, M. Sherif, A. Tornede, M.D. Wever, in: C.-J. Haake, F. Meyer auf der Heide, M. Platzner, H. Wachsmuth, H. Wehrheim (Eds.), On-The-Fly Computing -- Individualized IT-Services in Dynamic Markets, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2023, pp. 85–104.
LibreCat | Files available | DOI
 

2023 | Conference Paper | LibreCat-ID: 46514
COBALT: A Content-Based Similarity Approach for Link Discovery over Geospatial Knowledge Graphs
A. Becker, A.F.A. Ahmed, M. Sherif, A.-C. Ngonga Ngomo, in: SEMANTiCS, 2023.
LibreCat
 

2023 | Book Chapter | LibreCat-ID: 46516
Explainable Integration of Knowledge Graphs Using Large Language Models
A.F.A. Ahmed, A.F. Firmansyah, M. Sherif, D. Moussallem, A.-C. Ngonga Ngomo, in: Natural Language Processing and Information Systems, Springer Nature Switzerland, Cham, 2023.
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2023 | Conference Paper | LibreCat-ID: 46518
Using Pre-trained Language Models for Abstractive DBpedia Summarization: A Comparative Study
H.M.A. Zahera, F. Vitiugin, M. Sherif, C. Castillo, A.-C. Ngonga Ngomo, in: SEMANTiCS, 2023.
LibreCat
 

2023 | Research Data | LibreCat-ID: 45558
IngridKG: A FAIR Knowledge Graph of Graffiti
M. Sherif, A.A. Morim da Silva, S. Pestryakova, A.F.A. Ahmed, S. Niemann, A.-C. Ngonga Ngomo, IngridKG: A FAIR Knowledge Graph of Graffiti, LibreCat University, 2023.
LibreCat | DOI
 

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.
LibreCat | DOI
 

2023 | Book Chapter | LibreCat-ID: 46460
Class Expression Learning with Multiple Representations
A.-C. Ngonga Ngomo, C. Demir, N.J. Kouagou, S. Heindorf, N. Karalis, A. Bigerl, in: Compendium of Neurosymbolic Artificial Intelligence, IOS Press, 2023, pp. 272–286.
LibreCat
 

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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2022 | Preprint | LibreCat-ID: 31545 | OA
Kronecker Decomposition for Knowledge Graph Embeddings
C. Demir, J. Lienen, A.-C. Ngonga Ngomo, ArXiv:2205.06560 (2022).
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2022 | Book Chapter | LibreCat-ID: 33740 | OA
Learning Concept Lengths Accelerates Concept Learning in ALC
N.J. KOUAGOU, S. Heindorf, C. Demir, A.-C. Ngonga Ngomo, in: The Semantic Web, Springer International Publishing, Cham, 2022.
LibreCat | Files available | DOI | Download (ext.)
 

2022 | Conference Paper | LibreCat-ID: 29290 | OA
EvoLearner: Learning Description Logics with Evolutionary Algorithms
S. Heindorf, L. Blübaum, N. Düsterhus, T. Werner, V.N. Golani, C. Demir, A.-C. Ngonga Ngomo, in: WWW, ACM, 2022, pp. 818–828.
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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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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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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
 

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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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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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
 

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
 

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.
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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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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.
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2022 | Book Chapter | LibreCat-ID: 33738 | OA
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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2022 | Conference Paper | LibreCat-ID: 33739 | OA
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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2022 | Journal Article | LibreCat-ID: 29851 | OA
CovidPubGraph: A FAIR Knowledge Graph of COVID-19 Publications
S. Pestryakova, D. Vollmers, M. Sherif, S. Heindorf, M. Saleem, D. Moussallem, A.-C. Ngonga Ngomo, Scientific Data (2022).
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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
 

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 | Files available | DOI
 

2021 | Journal Article | LibreCat-ID: 24721
Multilingual Verbalization and Summarization for Explainable Link Discovery
A. Fathi Ahmed, M. Ahmed Sherif, D. Moussallem, A.-C. Ngonga Ngomo, Data Knowl. Eng. 133 (2021) 101874.
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2021 | Conference Paper | LibreCat-ID: 24722
Applying Grammar-Based Compression to RDF
M. Röder, P. Frerk, F. Conrads, A.-C. Ngonga Ngomo, in: R. Verborgh, K. Hose, H. Paulheim, P.-A. Champin, M. Maleshkova, O. Corcho, P. Ristoski, M. Alam (Eds.), The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings, Springer, 2021, pp. 93–108.
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2021 | Conference Paper | LibreCat-ID: 24723
Unsupervised Relation Extraction Using Sentence Encoding
M. Ali, M. Saleem, A.-C. Ngonga Ngomo, in: R. Verborgh, A. Dimou, A. Hogan, C. d’Amato, I. Tiddi, A. Br{\"{o}}ring, S. Maier, F. Ongenae, R. Tommasini, M. Alam (Eds.), The Semantic Web: {ESWC} 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers, Springer, 2021, pp. 136–140.
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2021 | Conference Paper | LibreCat-ID: 24724
Unsupervised Relation Extraction Using Sentence Encoding
M. Ali, M. Saleem, A.-C. Ngonga Ngomo, in: R. Verborgh, A. Dimou, A. Hogan, C. d’Amato, I. Tiddi, A. Br{\"{o}}ring, S. Maier, F. Ongenae, R. Tommasini, M. Alam (Eds.), The Semantic Web: {ESWC} 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers, Springer, 2021, pp. 136–140.
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2021 | Conference Paper | LibreCat-ID: 24725
InferNER: an attentive model leveraging the sentence-level information for Named Entity Recognition in Microblogs
M. Shahzad, A. Amin, D. Esteves, A.-C. Ngonga Ngomo, in: E. Bell, F. Keshtkar (Eds.), Proceedings of the Thirty-Fourth International Florida Artificial Intelligence Research Society Conference, North Miami Beach, Florida, USA, May 17-19, 2021, 2021.
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2021 | Conference Paper | LibreCat-ID: 24726
Lemming - Example-based Mimicking of Knowledge Graphs
M. Röder, P. Thuy Sy Nguyen, F. Conrads, A. Alexandra Morim da Silva, A.-C. Ngonga Ngomo, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 62–69.
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2021 | Conference Paper | LibreCat-ID: 24727
SYNTHG: Mimicking RDF Graphs Using Tensor Factorization
A. Amer Desouki, F. Conrads, M. Röder, A.-C. Ngonga Ngomo, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 76–79.
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2021 | Conference Paper | LibreCat-ID: 24728
A shallow neural model for relation prediction
C. Demir, D. Moussallem, A.-C. Ngonga Ngomo, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 179–182.
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2021 | Conference Paper | LibreCat-ID: 24729
Template-based Question Answering using Recursive Neural Networks
R. G. Athreya, S. Kona Bansal, A.-C. Ngonga Ngomo, R. Usbeck, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 195–198.
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2021 | Conference Paper | LibreCat-ID: 24730
LAUREN - Knowledge Graph Summarization for Question Answering
R. Jalota, D. Vollmers, D. Moussallem, A.-C. Ngonga Ngomo, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 221–226.
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2021 | Conference Paper | LibreCat-ID: 24731
Relicensing Combined Datasets
A. Wilke, A. Bannoura, A.-C. Ngonga Ngomo, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 241–247.
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2021 | Conference Paper | LibreCat-ID: 24732
ORCA - a Benchmark for Data Web Crawlers
M. Röder, G. de Souza, D. Kuchelev, A. Amer Desouki, A.-C. Ngonga Ngomo, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 272–279.
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2021 | Conference Paper | LibreCat-ID: 25203
Using Compositional Embeddings for Fact Checking
A. Alexandra Morim da Silva, M. Röder, A.-C. Ngonga Ngomo, in: A. Hotho, E. Blomqvist, S. Dietze, A. Fokoue, Y. Ding, P. M. Barnaghi, A. Haller, M. Dragoni, H. Alani (Eds.), The Semantic Web - {ISWC} 2021 - 20th International Semantic Web Conference, {ISWC} 2021, Virtual Event, October 24-28, 2021, Proceedings, Springer, 2021, pp. 270–286.
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2021 | Conference Paper | LibreCat-ID: 25206
Convolutional Complex Knowledge Graph Embeddings
C. Demir, A.-C. Ngonga Ngomo, in: R. Verborgh, K. Hose, H. Paulheim, P.-}Antoine Champin, M. Maleshkova, O. Corcho, P. Ristoski, M. Alam (Eds.), The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings, Springer, 2021, pp. 409–424.
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2021 | Conference Paper | LibreCat-ID: 25208
Twitter Network Mimicking for Data Storage Benchmarking
R. Speck, D. Moussallem, A.-C. Ngonga Ngomo, in: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, {IEEE}, 2021, pp. 298–305.
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2021 | Journal Article | LibreCat-ID: 25209
A shallow neural model for relation prediction
C. Demir, D. Moussallem, A.-C. Ngonga Ngomo, CoRR abs/2101.09090 (2021).
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2021 | Journal Article | LibreCat-ID: 25210
A Survey of RDF Stores \& SPARQL Engines for Querying Knowledge Graphs
W. Ali, M. Saleem, B. Yao, A. Hogan, A.-C. Ngonga Ngomo, CoRR abs/2102.13027 (2021).
LibreCat
 

2021 | Journal Article | LibreCat-ID: 25211
Knowledge Graph Question Answering using Graph-Pattern Isomorphism
D. Vollmers, R. Jalota, D. Moussallem, H. Topiwala, A.-C. Ngonga Ngomo, R. Usbeck, CoRR abs/2103.06752 (2021).
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2021 | Journal Article | LibreCat-ID: 25213
MLCheck- Property-Driven Testing of Machine Learning Models
A. Sharma, C. Demir, A.-C. Ngonga Ngomo, H. Wehrheim, CoRR abs/2105.00741 (2021).
LibreCat
 

2021 | Journal Article | LibreCat-ID: 25214
Open Data Portal Germany (OPAL) Projektergebnisse
A. Wilke, A.-C. Ngonga Ngomo, CoRR abs/2105.03161 (2021).
LibreCat
 

2021 | Journal Article | LibreCat-ID: 25215
Out-of-Vocabulary Entities in Link Prediction
C. Demir, A.-C. Ngonga Ngomo, CoRR abs/2105.12524 (2021).
LibreCat
 

2021 | Journal Article | LibreCat-ID: 25217
DRILL- Deep Reinforcement Learning for Refinement Operators in ALC
C. Demir, A.-C. Ngonga Ngomo, CoRR abs/2106.15373 (2021).
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2021 | Conference Paper | LibreCat-ID: 28350
MLCHECK–Property-Driven Testing of Machine Learning Classifiers
A. Sharma, C. Demir, A.-C. Ngonga Ngomo, H. Wehrheim, in: Proceedings of the 20th IEEE International Conference on Machine Learning and Applications (ICMLA), IEEE, n.d.
LibreCat
 

2021 | Journal Article | LibreCat-ID: 24719
I-AID: Identifying Actionable Information From Disaster-Related Tweets
H. M. Zahera, R. Jalota, M. Ahmed Sherif, A.-C. Ngonga Ngomo, {IEEE} Access 9 (2021) 118861–118870.
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2021 | Journal Article | LibreCat-ID: 24720
Knowledge Graphs
A. Hogan, E. Blomqvist, M. Cochez, C. d’Amato, G. de Melo, C. Guti{\’{e}}rrez, S. Kirrane, J. Emilio Labra Gayo, R. Navigli, S. Neumaier, A.-C. Ngonga Ngomo, A. Polleres, S. M. Rashid, A. Rula, L. Schmelzeisen, J. F. Sequeda, S. Staab, A. Zimmermann, {ACM} Comput. Surv. 54 (2021) 71:1-71:37.
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2021 | Conference Paper | LibreCat-ID: 29486
GATES: Using Graph Attention Networks for Entity Summarization
A.F. Firmansyah, D. Moussallem, A.-C. Ngonga Ngomo, in: Proceedings of the 11th on Knowledge Capture Conference, ACM, Virtual Event, USA, 2021, pp. 73–80.
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2021 | Book Chapter | LibreCat-ID: 29292 | OA
Drift Detection in Text Data with Document Embeddings
R. Feldhans, A. Wilke, S. Heindorf, M.H. Shaker, B. Hammer, A.-C. Ngonga Ngomo, E. Hüllermeier, in: Intelligent Data Engineering and Automated Learning – IDEAL 2021, Springer International Publishing, Cham, 2021.
LibreCat | Files available | DOI | Download (ext.)
 

2021 | Conference Paper | LibreCat-ID: 29287 | OA
Convolutional Hypercomplex Embeddings for Link Prediction
C. Demir, D. Moussallem, S. Heindorf, A.-C. Ngonga Ngomo, in: The 13th Asian Conference on Machine Learning, ACML 2021, 2021.
LibreCat | Download (ext.) | arXiv
 

2021 | Journal Article | LibreCat-ID: 29004
LIMES - A Framework for Link Discovery on the Semantic Web
A.-C. Ngonga Ngomo, M. Sherif, K. Georgala, M. Hassan, K. Dreßler, K. Lyko, D. Obraczka, T. Soru, KI - K{\"u}nstliche Intelligenz, German Journal of Artificial Intelligence - Organ Des Fachbereichs “Künstliche Intelligenz” Der Gesellschaft Für Informatik e.V. (2021).
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2021 | Conference Paper | LibreCat-ID: 29043
I-AID: Identifying Actionable Information from Disaster-related Tweets
H.M.A. Zahera, R. Jalota, M. Sherif, A.-C. Ngonga Ngomo, in: IEEE Open Access, 2021.
LibreCat
 

2021 | Journal Article | LibreCat-ID: 29005
Multilingual Verbalization and Summarization for Explainable Link Discovery
A. Fathi Ahmed, M. Sherif, D. Moussallem, A.-C. Ngonga Ngomo, Data & Knowledge Engineering (2021) 101874.
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2021 | Journal Article | LibreCat-ID: 24456 | OA
Explanation as a Social Practice: Toward a Conceptual Framework for the Social Design of AI Systems
K.J. Rohlfing, P. Cimiano, I. Scharlau, T. Matzner, H.M. Buhl, H. Buschmeier, E. Esposito, A. Grimminger, B. Hammer, R. Haeb-Umbach, I. Horwath, E. Hüllermeier, F. Kern, S. Kopp, K. Thommes, A.-C. Ngonga Ngomo, C. Schulte, H. Wachsmuth, P. Wagner, B. Wrede, IEEE Transactions on Cognitive and Developmental Systems 13 (2021) 717–728.
LibreCat | Files available | DOI
 

2021 | Journal Article | LibreCat-ID: 25212
An Empirical Evaluation of Cost-based Federated SPARQL Query Processing Engines
U. Qudus, M. Saleem, A.-C. Ngonga Ngomo, Y.-K. Lee, Semantic Web 12 (n.d.) 843–868.
LibreCat | Files available | DOI
 

2020 | Journal Article | LibreCat-ID: 25326
HOBBIT: A platform for benchmarking Big Linked Data
M. Röder, D. Kuchelev, A.-C. Ngonga Ngomo, Data Sci. 3 (2020) 15–35.
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2020 | Conference Paper | LibreCat-ID: 25328
Squirrel - Crawling RDF Knowledge Graphs on the Web
M. Röder, G. de Souza, A.-C. Ngonga Ngomo, in: J. Z. Pan, V. A. M. Tamma, C. d’Amato, K. Janowicz, B. Fu, A. Polleres, O. Seneviratne, L. Kagal (Eds.), The Semantic Web - {ISWC} 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part {II}, Springer, 2020, pp. 34–47.
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2020 | Conference Paper | LibreCat-ID: 25333
Applying edge-counting semantic similarities to link discovery: scalability and accuracy
K. Georgala, M. Ahmed Sherif, M. Röder, A.-C. Ngonga Ngomo, in: P. Shvaiko, J. Euzenat, E. Jimenez-Ruiz, O. Hassanzadeh, C. Trojahn (Eds.), Proceedings of the 15th International Workshop on Ontology Matching Co-Located with the 19th International Semantic Web Conference {(ISWC} 2020), Virtual Conference (Originally Planned to Be in Athens, Greece), November 2, 2020, CEUR-WS.org, 2020, pp. 36–47.
LibreCat
 

2020 | Conference Paper | LibreCat-ID: 25340
LIGON - link discovery with noisy oracles
M. Ahmed Sherif, K. Dreßler, A.-C. Ngonga Ngomo, in: P. Shvaiko, J. Euzenat, E. Jimenez-Ruiz, O. Hassanzadeh, C. Trojahn (Eds.), Proceedings of the 15th International Workshop on Ontology Matching Co-Located with the 19th International Semantic Web Conference {(ISWC} 2020), Virtual Conference (Originally Planned to Be in Athens, Greece), November 2, 2020, CEUR-WS.org, 2020, pp. 48–59.
LibreCat
 

2020 | Conference Paper | LibreCat-ID: 25341
Tentris - A Tensor-Based Triple Store
A. Bigerl, F. Conrads, C. Behning, M. Ahmed Sherif, M. Saleem, A.-C. Ngonga Ngomo, in: J. Z. Pan, V. A. M. Tamma, C. d’Amato, K. Janowicz, B. Fu, A. Polleres, O. Seneviratne, L. Kagal (Eds.), The Semantic Web - {ISWC} 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part {I}, Springer, 2020, pp. 56–73.
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2020 | Conference Paper | LibreCat-ID: 25342
LIGER - link discovery with partial recall
K. Georgala, M. Ahmed Sherif, A.-C. Ngonga Ngomo, in: P. Shvaiko, J. Euzenat, E. Jimenez-Ruiz, O. Hassanzadeh, C. Trojahn (Eds.), Proceedings of the 15th International Workshop on Ontology Matching Co-Located with the 19th International Semantic Web Conference {(ISWC} 2020), Virtual Conference (Originally Planned to Be in Athens, Greece), November 2, 2020, CEUR-WS.org, 2020, pp. 87–91.
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2020 | Conference Paper | LibreCat-ID: 25343
NABU - Multilingual Graph-Based Neural RDF Verbalizer
D. Moussallem, D. Gnaneshwar, T. Castro Ferreira, A.-C. Ngonga Ngomo, in: J. Z. Pan, V. A. M. Tamma, C. d’Amato, K. Janowicz, B. Fu, A. Polleres, O. Seneviratne, L. Kagal (Eds.), The Semantic Web - {ISWC} 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part {I}, Springer, 2020, pp. 420–437.
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2020 | Conference Paper | LibreCat-ID: 25344
Revealing Secrets in SPARQL Session Level
X. Zhang, M. Wang, M. Saleem, A.-C. Ngonga Ngomo, G. Qi, H. Wang, in: J. Z. Pan, V. A. M. Tamma, C. d’Amato, K. Janowicz, B. Fu, A. Polleres, O. Seneviratne, L. Kagal (Eds.), The Semantic Web - {ISWC} 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part {I}, Springer, 2020, pp. 672–690.
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2020 | Book Chapter | LibreCat-ID: 25345
Benchmarking the Lifecycle of Knowledge Graphs
M. Röder, M. Ahmed Sherif, M. Saleem, F. Conrads, A.-C. Ngonga Ngomo, in: I. Tiddi, F. Lécué, P. Hitzler (Eds.), Knowledge Graphs for EXplainable Artificial Intelligence: Foundations, Applications and Challenges, {IOS} Press, 2020, pp. 73–97.
LibreCat | DOI
 

2020 | Book Chapter | LibreCat-ID: 25346
Generating Explanations in Natural Language from Knowledge Graphs
D. Moussallem, R. Speck, A.-C. Ngonga Ngomo, in: I. Tiddi, F. Lécué, P. Hitzler (Eds.), Knowledge Graphs for EXplainable Artificial Intelligence: Foundations, Applications and Challenges, {IOS} Press, 2020, pp. 213–241.
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2020 | Conference (Editor) | LibreCat-ID: 25347
The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings
A. Harth, S. Kirrane, A.-C. Ngonga Ngomo, H. Paulheim, A. Rula, A. Lisa Gentile, P. Haase, M. Cochez, eds., The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings, Springer, 2020.
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2020 | Conference (Editor) | LibreCat-ID: 25348
Joint Proceedings of Workshops AI4LEGAL2020, NLIWOD, PROFILES 2020, QuWeDa 2020 and SEMIFORM2020 Colocated with the 19th International Semantic Web Conference (ISWC 2020), Virtual Conference, November, 2020
M. Koubarakis, H. Alani, G. Antoniou, K. Bontcheva, J. G. Breslin, D. Collarana, E. Demidova, S. Dietze, S. Gottschalk, G. Governatori, A. Hogan, F. Lécué, E. Montiel-Ponsoda, A.-C. Ngonga Ngomo, S. Pinto, M. Saleem, R. Troncy, E. Tsalapati, R. Usbeck, R. Verborgh, eds., Joint Proceedings of Workshops AI4LEGAL2020, NLIWOD, PROFILES 2020, QuWeDa 2020 and SEMIFORM2020 Colocated with the 19th International Semantic Web Conference (ISWC 2020), Virtual Conference, November, 2020, CEUR-WS.org, 2020.
LibreCat
 

2020 | Conference (Editor) | LibreCat-ID: 25349
Proceedings of the SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge co-located with the 19th International Semantic Web Conference (ISWC 2020), Virtual Conference, November 5th, 2020
N. Mihindukulasooriya, M. Dubey, A. Gliozzo, J. Lehmann, A.-C. Ngonga Ngomo, R. Usbeck, eds., Proceedings of the SeMantic AnsweR Type Prediction Task (SMART) at ISWC 2020 Semantic Web Challenge Co-Located with the 19th International Semantic Web Conference (ISWC 2020), Virtual Conference, November 5th, 2020, CEUR-WS.org, 2020.
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25350
A Physical Embedding Model for Knowledge Graphs
C. Demir, A.-C. Ngonga Ngomo, CoRR abs/2001.07418 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25351
Benchmarking Knowledge Graphs on the Web
M. Röder, M. Ahmed Sherif, M. Saleem, F. Conrads, A.-C. Ngonga Ngomo, CoRR abs/2002.06039 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25352
Knowledge Graphs
A. Hogan, E. Blomqvist, M. Cochez, C. d’Amato, G. de Melo, C. Gutiérrez, J. Emilio Labra Gayo, S. Kirrane, S. Neumaier, A. Polleres, R. Navigli, A.-C. Ngonga Ngomo, S. M. Rashid, A. Rula, L. Schmelzeisen, J. F. Sequeda, S. Staab, A. Zimmermann, CoRR abs/2003.02320 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25353
Semantic-based End-to-End Learning for Typhoon Intensity Prediction
H. M. Zahera, M. Ahmed Sherif, A.-C. Ngonga Ngomo, CoRR abs/2003.13779 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25354
Template-based Question Answering using Recursive Neural Networks
R. G. Athreya, S. Kona Bansal, A.-C. Ngonga Ngomo, R. Usbeck, CoRR abs/2004.13843 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25355
Convolutional Complex Knowledge Graph Embeddings
C. Demir, A.-C. Ngonga Ngomo, CoRR abs/2008.03130 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25356
I-AID: Identifying Actionable Information from Disaster-related Tweets
H. M. Zahera, R. Jalota, M. Ahmed Sherif, A.-C. Ngonga Ngomo, CoRR abs/2008.13544 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25357
Revealing Secrets in SPARQL Session Level
X. Zhang, M. Wang, M. Saleem, A.-C. Ngonga Ngomo, G. Qi, H. Wang, CoRR abs/2009.06625 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25358
NABU - Multilingual Graph-based Neural RDF Verbalizer
D. Moussallem, D. Gnaneshwar, T. Castro Ferreira, A.-C. Ngonga Ngomo, CoRR abs/2009.07728 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25359
Storage, Indexing, Query Processing, and Benchmarking in Centralized and Distributed RDF Engines: A Survey
W. Ali, M. Saleem, B. Yao, A. Hogan, A.-C. Ngonga Ngomo, CoRR abs/2009.10331 (2020).
LibreCat
 

2020 | Journal Article | LibreCat-ID: 25360
SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge
N. Mihindukulasooriya, M. Dubey, A. Gliozzo, J. Lehmann, A.-C. Ngonga Ngomo, R. Usbeck, CoRR abs/2012.00555 (2020).
LibreCat
 

2020 | Conference Paper | LibreCat-ID: 20141 | OA
CauseNet: Towards a Causality Graph Extracted from the Web
S. Heindorf, Y. Scholten, H. Wachsmuth, A.-C. Ngonga Ngomo, M. Potthast, in: Proceedings of the 28th ACM International Conference on Information and Knowledge Management (CIKM 2020), 2020, pp. 3023–3030.
LibreCat | DOI | Download (ext.)
 

2020 | Book Chapter | LibreCat-ID: 29042
Benchmarking the Lifecycle of Knowledge Graphs
M. Röder, M. Sherif, M. Saleem, F. Conrads, A.-C. Ngonga Ngomo, in: I. Tiddi, F. Lécué, P. Hitzler (Eds.), Knowledge Graphs for EXplainable Artificial Intelligence: Foundations, Applications and Challenges, IOS Press, 2020, pp. 73–97.
LibreCat | DOI
 

2020 | Conference Paper | LibreCat-ID: 29009
Applying edge-counting semantic similarities to Link Discovery: Scalability and Accuracy
K. Georgala, M. Röder, M. Sherif, A.-C. Ngonga Ngomo, in: Proceedings of Ontology Matching Workshop 2020, 2020.
LibreCat
 

2020 | Conference Paper | LibreCat-ID: 29010
LIGON – Link Discovery with Noisy Oracles
M. Sherif, K. Dreßler}, A.-C. Ngonga Ngomo, in: Proceedings of Ontology Matching Workshop 2020, 2020.
LibreCat
 

2020 | Journal Article | LibreCat-ID: 29039
Tentris – A Tensor-Based Triple Store
A. Bigerl, F. Conrads, C. Behning, M. Sherif, M. Saleem, A.-C. Ngonga Ngomo, The Semantic Web -- ISWC 2020 (2020).
LibreCat
 

2020 | Conference Paper | LibreCat-ID: 29007
LIGER – Link Discovery with Partial Recall
K. Georgala, M. Sherif, A.-C. Ngonga Ngomo, in: Proceedings of Ontology Matching Workshop 2020, 2020.
LibreCat
 

2019 | Journal Article | LibreCat-ID: 25361
QPPDs: Querying Property Paths Over Distributed RDF Datasets
Q. Mehmood, M. Saleem, R. Sahay, A.-C. Ngonga Ngomo, M. d’Aquin, {IEEE} Access 7 (2019) 101031–101045.
LibreCat | DOI
 

2019 | Journal Article | LibreCat-ID: 25362
Benchmarking question answering systems
R. Usbeck, M. Röder, M. Hoffmann, F. Conrads, J. Huthmann, A.-C. Ngonga Ngomo, C. Demmler, C. Unger, Semantic Web 10 (2019) 293–304.
LibreCat | DOI
 

2019 | Journal Article | LibreCat-ID: 25363
TISCO: Temporal scoping of facts
A. Rula, M. Palmonari, S. Rubinacci, A.-C. Ngonga Ngomo, J. Lehmann, A. Maurino, D. Esteves, J. Web Semant. 54 (2019) 72–86.
LibreCat | DOI
 

2019 | Journal Article | LibreCat-ID: 25364
Leopard - A baseline approach to attribute prediction and validation for knowledge graph population
R. Speck, A.-C. Ngonga Ngomo, J. Web Semant. 55 (2019) 102–107.
LibreCat | DOI
 

2019 | Conference Paper | LibreCat-ID: 25365
An Approach for Ex-Post-Facto Analysis of Knowledge Graph-Driven Chatbots - The DBpedia Chatbot
R. Jalota, P. Trivedi, G. Maheshwari, A.-C. Ngonga Ngomo, R. Usbeck, in: A. Følstad, T. B. Araujo, S. Papadopoulos, E. Lai-Chong Law, O.-C. Granmo, E. Luger, P. Bae Brandtzæg (Eds.), Chatbot Research and Design - Third International Workshop, {CONVERSATIONS} 2019, Amsterdam, The Netherlands, November 19-20, 2019, Revised Selected Papers, Springer, 2019, pp. 19–33.
LibreCat | DOI
 

2019 | Conference Paper | LibreCat-ID: 25366
Big POI data integration with Linked Data technologies
S. Athanasiou, G. Giannopoulos, D. Graux, N. Karagiannakis, J. Lehmann, A.-C. Ngonga Ngomo, K. Patroumpas, M. Ahmed Sherif, D. Skoutas, in: M. Herschel, H. Galhardas, B. Reinwald, I. Fundulaki, C. Binnig, Z. Kaoudi (Eds.), Advances in Database Technology - 22nd International Conference on Extending Database Technology, {EDBT} 2019, Lisbon, Portugal, March 26-29, 2019, OpenProceedings.org, 2019, pp. 477–488.
LibreCat | DOI
 

2019 | Conference Paper | LibreCat-ID: 25367
Ranking on Very Large Knowledge Graphs
A. Amer Desouki, M. Röder, A.-C. Ngonga Ngomo, in: C. Atzenbeck, J. Rubart, D. E. Millard (Eds.), Proceedings of the 30th {ACM} Conference on Hypertext and Social Media, {HT} 2019, Hof, Germany, September 17-20, 2019, {ACM}, 2019, pp. 163–171.
LibreCat | DOI
 

2019 | Conference Paper | LibreCat-ID: 25368
QUANT - Question Answering Benchmark Curator
R. Hari Gusmita, R. Jalota, D. Vollmers, J. Reineke, A.-C. Ngonga Ngomo, R. Usbeck, in: M. Acosta, P. Cudré-Mauroux, M. Maleshkova, T. Pellegrini, H. Sack, Y. Sure-Vetter (Eds.), Semantic Systems. The Power of {AI} and Knowledge Graphs - 15th International Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019, Proceedings, Springer, 2019, pp. 343–358.
LibreCat | DOI
 

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