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Picture for Axel-Cyrille Ngonga Ngomo

Axel-Cyrille Ngonga Ngomo

Data Science Group, Paderborn University, Germany

Out-of-Vocabulary Entities in Link Prediction


May 26, 2021
Caglar Demir, Axel-Cyrille Ngonga Ngomo


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An Empirical Evaluation of Cost-based Federated SPARQL Query Processing Engines


Apr 02, 2021
Umair Qudus, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Young-koo Lee

* Semantic Web 2020 
* 24 pages, Semantic Web, 2020, #article 

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Knowledge Graph Question Answering using Graph-Pattern Isomorphism


Mar 11, 2021
Daniel Vollmers, Rricha Jalota, Diego Moussallem, Hardik Topiwala, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck


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A shallow neural model for relation prediction


Jan 22, 2021
Caglar Demir, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

* 15th IEEE International Conference on Semantic Computing, ICSC-2021 

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SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge


Dec 01, 2020
Nandana Mihindukulasooriya, Mohnish Dubey, Alfio Gliozzo, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck


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NABU $\mathrm{-}$ Multilingual Graph-based Neural RDF Verbalizer


Sep 21, 2020
Diego Moussallem, Dwaraknath Gnaneshwar, Thiago Castro Ferreira, Axel-Cyrille Ngonga Ngomo

* International Semantic Web Conference (ISWC) 2020 

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NABU -- Multilingual Graph-based Neural RDF Verbalizer


Sep 16, 2020
Diego Moussallem, Dwaraknath Gnaneshwar, Thiago Castro Ferreira, Axel-Cyrille Ngonga Ngomo

* International Semantic Web Conference (ISWC) 2020 

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Revealing Secrets in SPARQL Session Level


Sep 13, 2020
Xinyue Zhang, Meng Wang, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Guilin Qi, Haofen Wang

* 17 pages. Accepted by ISWC 2020 

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Convolutional Complex Knowledge Graph Embeddings


Aug 10, 2020
Caglar Demir, Axel-Cyrille Ngonga Ngomo


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Knowledge Graphs


Mar 28, 2020
Aidan Hogan, Eva Blomqvist, Michael Cochez, Claudia d'Amato, Gerard de Melo, Claudio Gutierrez, José Emilio Labra Gayo, Sabrina Kirrane, Sebastian Neumaier, Axel Polleres, Roberto Navigli, Axel-Cyrille Ngonga Ngomo, Sabbir M. Rashid, Anisa Rula, Lukas Schmelzeisen, Juan Sequeda, Steffen Staab, Antoine Zimmermann

* Revision from previous version: - Fixing flight companies in Figure 3 and changing some other details - Giving Figure 4 analogous data to Figure 3 for easier comparison - Updating discussion of the figures in Section 2.1.3. - Updating Example B.6 to reflect the new Figure 4. - Minor formatting change for Figure 27 

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A Physical Embedding Model for Knowledge Graphs


Jan 21, 2020
Caglar Demir, Axel-Cyrille Ngonga Ngomo

* 9th Joint International Conference, JIST 2019, Hangzhou, China 

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A Holistic Natural Language Generation Framework for the Semantic Web


Nov 04, 2019
Axel-Cyrille Ngonga Ngomo, Diego Moussallem, Lorenz Bühmann

* International Conference Recent Advances in Natural Language Processing 

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Semantic Web for Machine Translation: Challenges and Directions


Jul 23, 2019
Diego Moussallem, Matthias Wauer, Axel-Cyrille Ngonga Ngomo

* Accepted at the Journal track of International Semantic Web conference (ISWC) 2019. arXiv admin note: substantial text overlap with arXiv:1711.09476 

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Augmenting Neural Machine Translation with Knowledge Graphs


Feb 23, 2019
Diego Moussallem, Mihael Arčan, Axel-Cyrille Ngonga Ngomo, Paul Buitelaar


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BENGAL: An Automatic Benchmark Generator for Entity Recognition and Linking


Nov 01, 2018
Axel-Cyrille Ngonga Ngomo, Michael Röder, Diego Moussallem, Ricardo Usbeck, René Speck

* Accepted at INLG 2018 

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Machine Translation using Semantic Web Technologies: A Survey


Jul 17, 2018
Diego Moussallem, Matthias Wauer, Axel-Cyrille Ngonga Ngomo

* 23 pages, 2 figures, 4 tables 

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Entity Linking in 40 Languages using MAG


May 29, 2018
Diego Moussallem, Ricardo Usbeck, Michael Röder, Axel-Cyrille Ngonga Ngomo

* Accepted at ESWC 2018 

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Expeditious Generation of Knowledge Graph Embeddings


Mar 21, 2018
Tommaso Soru, Stefano Ruberto, Diego Moussallem, Edgard Marx, Diego Esteves, Axel-Cyrille Ngonga Ngomo

* Submitted, 6 pages 

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RDF2PT: Generating Brazilian Portuguese Texts from RDF Data


Feb 22, 2018
Diego Moussallem, Thiago Castro Ferreira, Marcos Zampieri, Maria Claudia Cavalcanti, Geraldo Xexéo, Mariana Neves, Axel-Cyrille Ngonga Ngomo

* Accepted for publication in Language Resources and Evaluation Conference (LREC) 2018 

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LIDIOMS: A Multilingual Linked Idioms Data Set


Feb 22, 2018
Diego Moussallem, Mohamed Ahmed Sherif, Diego Esteves, Marcos Zampieri, Axel-Cyrille Ngonga Ngomo

* Accepted for publication in Language Resources and Evaluation Conference (LREC) 2018 

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Beyond Markov Logic: Efficient Mining of Prediction Rules in Large Graphs


Feb 13, 2018
Tommaso Soru, André Valdestilhas, Edgard Marx, Axel-Cyrille Ngonga Ngomo

* 13 pages, 4 figures 

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Mandolin: A Knowledge Discovery Framework for the Web of Data


Nov 03, 2017
Tommaso Soru, Diego Esteves, Edgard Marx, Axel-Cyrille Ngonga Ngomo

* 6 pages 

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Using Multi-Label Classification for Improved Question Answering


Oct 24, 2017
Ricardo Usbeck, Michael Hoffmann, Michael Röder, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

* 15 pages, 4 Tables, 3 Figues 

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MAG: A Multilingual, Knowledge-base Agnostic and Deterministic Entity Linking Approach


Oct 17, 2017
Diego Moussallem, Ricardo Usbeck, Michael Röder, Axel-Cyrille Ngonga Ngomo

* Accepted in K-CAP 2017: Knowledge Capture Conference 

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An Evaluation of Models for Runtime Approximation in Link Discovery


Dec 01, 2016
Kleanthi Georgala, Micheal Hoffmann, Axel-Cyrille Ngonga Ngomo


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Self-Wiring Question Answering Systems


Nov 08, 2016
Ricardo Usbeck, Jonathan Huthmann, Nico Duldhardt, Axel-Cyrille Ngonga Ngomo

* 6 pages, 1 figure, pre-print in lncs 

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