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68 Publications


2022 | Conference Paper | LibreCat-ID: 35550
Bondarenko, Alexander, Magdalena Wolska, Stefan Heindorf, Lukas Blübaum, Axel-Cyrille Ngonga Ngomo, Benno Stein, Pavel Braslavski, Matthias Hagen, and Martin Potthast. “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, edited by Nicoletta Calzolari, Chu-Ren Huang, Hansaem Kim, James Pustejovsky, Leo Wanner, Key-Sun Choi, Pum-Mo Ryu, et al., 3296–3308. International Committee on Computational Linguistics, 2022.
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2022 | Journal Article | LibreCat-ID: 35553
Hogan, Aidan, Eva Blomqvist, Michael Cochez, Claudia d’Amato, Gerard de Melo, Claudio Gutierrez, Sabrina Kirrane, et al. “Knowledge Graphs.” ACM Comput. Surv. 54, no. 4 (2022): 71:1–71:37. https://doi.org/10.1145/3447772.
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2022 | Journal Article | LibreCat-ID: 35551
Ali, Waqas, Muhammad Saleem, Bin Yao, Aidan Hogan, and Axel-Cyrille Ngonga Ngomo. “A Survey of RDF Stores & SPARQL Engines for Querying Knowledge Graphs.” VLDB J. 31, no. 3 (2022): 1–26. https://doi.org/10.1007/s00778-021-00711-3.
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2022 | Journal Article | LibreCat-ID: 35552
Demir, Caglar, and Axel-Cyrille Ngonga Ngomo. “Hardware-Agnostic Computation for Large-Scale Knowledge Graph Embeddings.” Softw. Impacts 13 (2022): 100377. https://doi.org/10.1016/j.simpa.2022.100377.
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2022 | Conference Paper | LibreCat-ID: 34674
Sieger, Leonie Nora, Julia Hermann, Astrid Schomäcker, Stefan Heindorf, Christian Meske, Celine-Chiara Hey, and Ayşegül Doğangün. “User Involvement in Training Smart Home Agents.” In International Conference on Human-Agent Interaction. ACM, 2022. https://doi.org/10.1145/3527188.3561914.
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2022 | Book Chapter | LibreCat-ID: 33738 | OA
Zahera, Hamada Mohamed Abdelsamee, Stefan Heindorf, Stefan Balke, Jonas Haupt, Martin Voigt, Carolin Walter, Fabian Witter, and Axel-Cyrille Ngonga Ngomo. “Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings.” In The Semantic Web: ESWC 2022 Satellite Events. Cham: Springer International Publishing, 2022. https://doi.org/10.1007/978-3-031-11609-4_9.
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2022 | Conference Paper | LibreCat-ID: 33739 | OA
Bondarenko, Alexander, Magdalena Wolska, Stefan Heindorf, Lukas Blübaum, Axel-Cyrille Ngonga Ngomo, Benno Stein, Pavel Braslavski, Matthias Hagen, and Martin Potthast. “CausalQA: A Benchmark for Causal Question Answering.” In Proceedings of the 29th International Conference on Computational Linguistics, 3296–3308. Gyeongju, Republic of Korea: International Committee on Computational Linguistics, 2022.
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2022 | Journal Article | LibreCat-ID: 29851 | OA
Pestryakova, Svetlana , Daniel Vollmers, Mohamed Sherif, Stefan Heindorf, Muhammad Saleem, Diego Moussallem, and Axel-Cyrille Ngonga Ngomo. “CovidPubGraph: A FAIR Knowledge Graph of COVID-19 Publications.” Scientific Data, 2022.
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2022 | Conference Paper | LibreCat-ID: 33957
Deppe, Sahar, Lukas Brandt, Marc Brünninghaus, Jörg Papenkordt, Stefan Heindorf, and Gudrun Tschirner-Vinke. “AI-Based Assistance System for Manufacturing.” 2022 IEEE 27th International Conference on Emerging Technologies and Factory Automation (ETFA), 2022. https://doi.org/10.1109/ETFA52439.2022.9921520.
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2022 | Book Chapter | LibreCat-ID: 33740 | OA
KOUAGOU, N’Dah Jean, Stefan Heindorf, Caglar Demir, and Axel-Cyrille Ngonga Ngomo. “Learning Concept Lengths Accelerates Concept Learning in ALC.” In The Semantic Web. Cham: Springer International Publishing, 2022. https://doi.org/10.1007/978-3-031-06981-9_14.
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2021 | Journal Article | LibreCat-ID: 24721
Fathi Ahmed, Abdullah, Mohamed Ahmed Sherif, Diego Moussallem, and Axel-Cyrille Ngonga Ngomo. “Multilingual Verbalization and Summarization for Explainable Link Discovery.” Data Knowl. Eng. 133 (2021): 101874. https://doi.org/10.1016/j.datak.2021.101874.
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2021 | Conference Paper | LibreCat-ID: 24722
Röder, Michael, Philip Frerk, Felix Conrads, and Axel-Cyrille Ngonga Ngomo. “Applying Grammar-Based Compression to RDF.” In The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings, edited by Ruben Verborgh, Katja Hose, Heiko Paulheim, Pierre-Antoine Champin, Maria Maleshkova, Oscar Corcho, Petar Ristoski, and Mehwish Alam, 12731:93–108. Lecture Notes in Computer Science. Springer, 2021. https://doi.org/10.1007/978-3-030-77385-4\_6.
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2021 | Conference Paper | LibreCat-ID: 24723
Ali, Manzoor, Muhammad Saleem, and Axel-Cyrille 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, edited by Ruben Verborgh, Anastasia Dimou, Aidan Hogan, Claudia d’Amato, Ilaria Tiddi, Arne Br{\"{o}}ring, Simon Maier, Femke Ongenae, Riccardo Tommasini, and Mehwish Alam, 12739:136–40. Lecture Notes in Computer Science. Springer, 2021. https://doi.org/10.1007/978-3-030-80418-3\_25.
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2021 | Conference Paper | LibreCat-ID: 24724
Ali, Manzoor, Muhammad Saleem, and Axel-Cyrille 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, edited by Ruben Verborgh, Anastasia Dimou, Aidan Hogan, Claudia d’Amato, Ilaria Tiddi, Arne Br{\"{o}}ring, Simon Maier, Femke Ongenae, Riccardo Tommasini, and Mehwish Alam, 12739:136–40. Lecture Notes in Computer Science. Springer, 2021. https://doi.org/10.1007/978-3-030-80418-3\_25.
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2021 | Conference Paper | LibreCat-ID: 24725
Shahzad, Moemmur, Ayesha Amin, Diego Esteves, and Axel-Cyrille 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, edited by Eric Bell and Fazel Keshtkar, 2021. https://doi.org/10.32473/flairs.v34i1.128538.
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2021 | Conference Paper | LibreCat-ID: 24726
Röder, Michael, Pham Thuy Sy Nguyen, Felix Conrads, Ana Alexandra Morim da Silva, and Axel-Cyrille 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, 62–69. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00015.
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2021 | Conference Paper | LibreCat-ID: 24727
Amer Desouki, Abdelmoneim, Felix Conrads, Michael Röder, and Axel-Cyrille 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, 76–79. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00017.
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2021 | Conference Paper | LibreCat-ID: 24728
Demir, Caglar, Diego Moussallem, and Axel-Cyrille 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, 179–82. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00038.
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2021 | Conference Paper | LibreCat-ID: 24729
G. Athreya, Ram, Srividya Kona Bansal, Axel-Cyrille Ngonga Ngomo, and Ricardo 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, 195–98. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00041.
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2021 | Conference Paper | LibreCat-ID: 24730
Jalota, Rricha, Daniel Vollmers, Diego Moussallem, and Axel-Cyrille 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, 221–26. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00047.
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2021 | Conference Paper | LibreCat-ID: 24731
Wilke, Adrian, Arwa Bannoura, and Axel-Cyrille Ngonga Ngomo. “Relicensing Combined Datasets.” In 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021, 241–47. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00050.
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2021 | Conference Paper | LibreCat-ID: 24732
Röder, Michael, Geraldo de Souza, Denis Kuchelev, Abdelmoneim Amer Desouki, and Axel-Cyrille 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, 272–79. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00054.
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2021 | Conference Paper | LibreCat-ID: 25203
Alexandra Morim da Silva, Ana, Michael Röder, and Axel-Cyrille 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, edited by Andreas Hotho, Eva Blomqvist, Stefan Dietze, Achille Fokoue, Ying Ding, Payam M. Barnaghi, Armin Haller, Mauro Dragoni, and Harith Alani, 12922:270–86. Lecture Notes in Computer Science. Springer, 2021. https://doi.org/10.1007/978-3-030-88361-4\_16.
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2021 | Conference Paper | LibreCat-ID: 25206
Demir, Caglar, and Axel-Cyrille Ngonga Ngomo. “Convolutional Complex Knowledge Graph Embeddings.” In The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings, edited by Ruben Verborgh, Katja Hose, Heiko Paulheim, Pierre{-}Antoine Champin, Maria Maleshkova, Oscar Corcho, Petar Ristoski, and Mehwish Alam, 12731:409–24. Lecture Notes in Computer Science. Springer, 2021. https://doi.org/10.1007/978-3-030-77385-4\_24.
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2021 | Conference Paper | LibreCat-ID: 25208
Speck, Ren{\’{e}}, Diego Moussallem, and Axel-Cyrille 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, 298–305. {IEEE}, 2021. https://doi.org/10.1109/ICSC50631.2021.00057.
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2021 | Journal Article | LibreCat-ID: 25209
Demir, Caglar, Diego Moussallem, and Axel-Cyrille Ngonga Ngomo. “A Shallow Neural Model for Relation Prediction.” CoRR abs/2101.09090 (2021).
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2021 | Journal Article | LibreCat-ID: 25210
Ali, Waqas, Muhammad Saleem, Bin Yao, Aidan Hogan, and Axel-Cyrille Ngonga Ngomo. “A Survey of RDF Stores \& SPARQL Engines for Querying Knowledge Graphs.” CoRR abs/2102.13027 (2021).
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2021 | Journal Article | LibreCat-ID: 25211
Vollmers, Daniel, Rricha Jalota, Diego Moussallem, Hardik Topiwala, Axel-Cyrille Ngonga Ngomo, and Ricardo Usbeck. “Knowledge Graph Question Answering Using Graph-Pattern Isomorphism.” CoRR abs/2103.06752 (2021).
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2021 | Journal Article | LibreCat-ID: 25213
Sharma, Arnab, Caglar Demir, Axel-Cyrille Ngonga Ngomo, and Heike Wehrheim. “MLCheck- Property-Driven Testing of Machine Learning Models.” CoRR abs/2105.00741 (2021).
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2021 | Journal Article | LibreCat-ID: 25214
Wilke, Adrian, and Axel-Cyrille Ngonga Ngomo. “Open Data Portal Germany (OPAL) Projektergebnisse.” CoRR abs/2105.03161 (2021).
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2021 | Journal Article | LibreCat-ID: 25215
Demir, Caglar, and Axel-Cyrille Ngonga Ngomo. “Out-of-Vocabulary Entities in Link Prediction.” CoRR abs/2105.12524 (2021).
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2021 | Journal Article | LibreCat-ID: 25217
Demir, Caglar, and Axel-Cyrille Ngonga Ngomo. “DRILL- Deep Reinforcement Learning for Refinement Operators in ALC.” CoRR abs/2106.15373 (2021).
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2021 | Conference Paper | LibreCat-ID: 28350
Sharma, Arnab, Caglar Demir, Axel-Cyrille Ngonga Ngomo, and Heike Wehrheim. “MLCHECK–Property-Driven Testing of Machine Learning Classifiers.” In Proceedings of the 20th IEEE International Conference on Machine Learning and Applications (ICMLA). IEEE, n.d.
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2021 | Journal Article | LibreCat-ID: 24719
M. Zahera, Hamada, Rricha Jalota, Mohamed Ahmed Sherif, and Axel-Cyrille Ngonga Ngomo. “I-AID: Identifying Actionable Information From Disaster-Related Tweets.” {IEEE} Access 9 (2021): 118861–70. https://doi.org/10.1109/ACCESS.2021.3107812.
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2021 | Journal Article | LibreCat-ID: 24720
Hogan, Aidan, Eva Blomqvist, Michael Cochez, Claudia d’Amato, Gerard de Melo, Claudio Guti{\’{e}}rrez, Sabrina Kirrane, et al. “Knowledge Graphs.” {ACM} Comput. Surv. 54, no. 4 (2021): 71:1-71:37. https://doi.org/10.1145/3447772.
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2021 | Book Chapter | LibreCat-ID: 29046
Feldhans, Robert, Adrian Wilke, Stefan Heindorf, Mohammad Hossein Shaker, Barbara Hammer, Axel-Cyrille Ngonga Ngomo, and Eyke Hüllermeier. “Drift Detection in Text Data with Document Embeddings.” In Intelligent Data Engineering and Automated Learning – IDEAL 2021. Cham, 2021. https://doi.org/10.1007/978-3-030-91608-4_11.
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2021 | Conference Paper | LibreCat-ID: 29047
Wilke, Adrian, Arwa Bannoura, and Axel-Cyrille Ngonga Ngonga Ngomo. “Relicensing Combined Datasets.” In 2021 IEEE 15th International Conference on Semantic Computing (ICSC), 241–47, 2021. https://doi.org/10.1109/ICSC50631.2021.00050.
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2021 | Conference Paper | LibreCat-ID: 29486
Firmansyah, Asep Fajar, Diego Moussallem, and Axel-Cyrille Ngonga Ngomo. “GATES: Using Graph Attention Networks for Entity Summarization.” In Proceedings of the 11th on Knowledge Capture Conference, 73–80. Virtual Event, USA: ACM, 2021. https://doi.org/10.1145/3460210.3493574.
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2021 | Conference Paper | LibreCat-ID: 29291 | OA
Zahera, Hamada Mohamed Abdelsamee, Stefan Heindorf, and Axel-Cyrille Ngonga Ngomo. “ASSET: A Semi-Supervised Approach for Entity Typing in Knowledge Graphs.” In Proceedings of the 11th on Knowledge Capture Conference. ACM, 2021. https://doi.org/10.1145/3460210.3493563.
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2021 | Book Chapter | LibreCat-ID: 29292 | OA
Feldhans, Robert, Adrian Wilke, Stefan Heindorf, Mohammad Hossein Shaker, Barbara Hammer, Axel-Cyrille Ngonga Ngomo, and Eyke Hüllermeier. “Drift Detection in Text Data with Document Embeddings.” In Intelligent Data Engineering and Automated Learning – IDEAL 2021. Cham: Springer International Publishing, 2021. https://doi.org/10.1007/978-3-030-91608-4_11.
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2021 | Conference Paper | LibreCat-ID: 29287 | OA
Demir, Caglar, Diego Moussallem, Stefan Heindorf, and Axel-Cyrille Ngonga Ngomo. “Convolutional Hypercomplex Embeddings for Link Prediction.” In The 13th Asian Conference on Machine Learning, ACML 2021, 2021.
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2021 | Conference Paper | LibreCat-ID: 29294 | OA
Nickchen, Tobias, Stefan Heindorf, and Gregor Engels. “Generating Physically Sound Training Data for Image Recognition of Additively Manufactured Parts.” In 2021 IEEE Winter Conference on Applications of Computer Vision (WACV). IEEE, 2021. https://doi.org/10.1109/wacv48630.2021.00204.
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2021 | Journal Article | LibreCat-ID: 24456 | OA
Rohlfing, Katharina J., Philipp Cimiano, Ingrid Scharlau, Tobias Matzner, Heike M. Buhl, Hendrik Buschmeier, Elena Esposito, 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 13, no. 3 (2021): 717–28. https://doi.org/10.1109/tcds.2020.3044366.
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2021 | Journal Article | LibreCat-ID: 25212
Qudus, Umair, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, and Young-Koo Lee. “An Empirical Evaluation of Cost-Based Federated SPARQL Query Processing Engines.” Semantic Web 12, no. 6 (n.d.): 843–68. https://doi.org/10.3233/SW-200420.
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2020 | Dissertation | LibreCat-ID: 16935
Moussalem, Diego Campos. Knowledge Graphs for Multilingual Language Translation and Generation, 2020. https://doi.org/10.17619/UNIPB/1-980.
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2020 | Conference Paper | LibreCat-ID: 20141 | OA
Heindorf, Stefan, Yan Scholten, Henning Wachsmuth, Axel-Cyrille Ngonga Ngomo, and Martin 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), 3023–30, 2020. https://doi.org/10.1145/3340531.3412763.
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2020 | Book Chapter | LibreCat-ID: 29042
Röder, Michael, Mohamed Sherif, Muhammad Saleem, Felix Conrads, and Axel-Cyrille Ngonga Ngomo. “Benchmarking the Lifecycle of Knowledge Graphs.” In Knowledge Graphs for EXplainable Artificial Intelligence: Foundations, Applications and Challenges, edited by Ilaria Tiddi, Freddy Lécué, and Pascal Hitzler, 73–97. IOS Press, 2020. https://doi.org/10.3233/SSW200012.
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2019 | Conference Paper | LibreCat-ID: 15921
Desouki, Abdelmoneim Amer, Michael Röder, and Axel-Cyrille Ngonga Ngomo. “Ranking on Very Large Knowledge Graphs.” In Proceedings of the 30th ACM Conference on Hypertext and Social Media  - HT ’19, 163–71. ACM, 2019. https://doi.org/10.1145/3342220.3343660.
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