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68 Publications
2023 | Journal Article | LibreCat-ID: 45484
Sherif MA, da Silva AAM, Pestryakova S, Ahmed AF, Niemann S, Ngomo A-CN. IngridKG: A FAIR Knowledge Graph of Graffiti. Scientific Data. 2023;10(1). doi:10.1038/s41597-023-02199-8
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2023 | Conference Paper | LibreCat-ID: 33734 | 
KOUAGOU NJ, Heindorf S, Demir C, Ngonga Ngomo A-C. Neural Class Expression Synthesis. In: Pesquita C, Jimenez-Ruiz E, McCusker J, et al., eds. The Semantic Web - 20th Extended Semantic Web Conference (ESWC 2023). Vol 13870. Springer International Publishing; 2023:209-226. doi:https://doi.org/10.1007/978-3-031-33455-9_13
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2023 | Preprint | LibreCat-ID: 37937
Sieger LN, Heindorf S, Blübaum L, Ngonga Ngomo A-C. Counterfactual Explanations for Concepts in ELH. arXiv:230105109. Published online 2023.
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| arXiv
2023 | Journal Article | LibreCat-ID: 46251 |
Demir C, Ngonga Ngomo A-C. Neuro-Symbolic Class Expression Learning. International Joint Conference on Artificial Intelligence. Published online 2023.
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2023 | Book Chapter | LibreCat-ID: 46572
Gusmita RH, Firmansyah AF, Moussallem D, Ngonga Ngomo A-C. IndQNER: Named Entity Recognition Benchmark Dataset from the Indonesian Translation of the Quran. In: Natural Language Processing and Information Systems. Springer Nature Switzerland; 2023. doi:10.1007/978-3-031-35320-8_12
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2023 | Book | LibreCat-ID: 44719
Schloots FM. Mit dem Leben Schritt halten - Eine Analyse des Wearable-Dispositivs. Springer Fachmedien Wiesbaden; 2023. doi:10.1007/978-3-658-40902-9
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2023 | Book Chapter | LibreCat-ID: 47421
Kouagou NJ, Heindorf S, Demir C, Ngonga Ngomo A-C. Neural Class Expression Synthesis in ALCHIQ(D). In: Machine Learning and Knowledge Discovery in Databases: Research Track. Springer Nature Switzerland; 2023. doi:10.1007/978-3-031-43421-1_12
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2023 | Book Chapter | LibreCat-ID: 46460
Ngonga Ngomo A-C, Demir C, Kouagou NJ, Heindorf S, Karalis N, Bigerl A. Class Expression Learning with Multiple Representations. In: Compendium of Neurosymbolic Artificial Intelligence. IOS Press; 2023:272–286.
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2023 | Journal Article | LibreCat-ID: 46248 |
Demir C, Wiebesiek M, Lu R, Ngonga Ngomo A-C, Heindorf S. LitCQD: Multi-Hop Reasoning in Incomplete Knowledge Graphs with Numeric Literals. ECML PKDD. Published online 2023.
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2022 | Conference Paper | LibreCat-ID: 29290 |
Heindorf S, Blübaum L, Düsterhus N, et al. EvoLearner: Learning Description Logics with Evolutionary Algorithms. In: WWW. ACM; 2022:818-828.
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2022 | Conference Paper | LibreCat-ID: 35541
Zahera HM, Vollmers D, Sherif MA, Ngonga Ngomo A-C. MultPAX: Keyphrase Extraction Using Language Models and Knowledge Graphs. In: Sattler U, Hogan A, Keet CM, et al., eds. The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings. Vol 13489. Lecture Notes in Computer Science. Springer; 2022:303–318. doi:10.1007/978-3-031-19433-7_18
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2022 | Conference Paper | LibreCat-ID: 35540
Perevalov A, Both A, Diefenbach D, Ngonga Ngomo A-C. Can Machine Translation be a Reasonable Alternative for Multilingual Question Answering Systems over Knowledge Graphs? In: Laforest F, Troncy R, Simperl E, et al., eds. WWW ’22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022. ACM; 2022:977–986. doi:10.1145/3485447.3511940
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2022 | Conference (Editor) | LibreCat-ID: 35538
Saleem M, Ngonga Ngomo A-C, 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
Bigerl A, Conrads L, Behning C, Saleem M, Ngonga Ngomo A-C. Hashing the Hypertrie: Space- and Time-Efficient Indexing for SPARQL in Tensors. In: Sattler U, Hogan A, Keet CM, et al., eds. The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings. Vol 13489. Lecture Notes in Computer Science. Springer; 2022:57–73. doi:10.1007/978-3-031-19433-7_4
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2022 | Conference Paper | LibreCat-ID: 35543
Ali M, Saleem M, Ngonga Ngomo A-C. REBench: Microbenchmarking Framework for Relation Extraction Systems. In: Sattler U, Hogan A, Keet CM, et al., eds. The Semantic Web - ISWC 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings. Vol 13489. Lecture Notes in Computer Science. Springer; 2022:643–659. doi:10.1007/978-3-031-19433-7_37
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2022 | Conference Paper | LibreCat-ID: 35542
Demir C, Himmelhuber A, Liu Y, Bigerl A, Moussallem D, Ngonga Ngomo A-C. Rapid Explainability for Skill Description Learning. In: Dimou A, Haller A, Gentile AL, Ristoski P, 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. Vol 3254. CEUR Workshop Proceedings. CEUR-WS.org; 2022.
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2022 | Conference Paper | LibreCat-ID: 35545
Stadler C, Saleem M, Ngonga Ngomo A-C. LSQ Framework: The LSQ Framework for SPARQL Query Log Processing. In: Saleem M, Ngomo A-CN, 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 Workshop Proceedings. CEUR-WS.org; 2022:49–64.
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2022 | Conference Paper | LibreCat-ID: 35547
Demir C, Lienen J, Ngonga Ngomo A-C. Kronecker Decomposition for Knowledge Graph Embeddings. In: Bellogín A, Boratto L, Cena F, eds. HT ’22: 33rd ACM Conference on Hypertext and Social Media, Barcelona, Spain, 28 June 2022- 1 July 2022. ACM; 2022:1–10. doi:10.1145/3511095.3531276
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2022 | Conference Paper | LibreCat-ID: 35546
Perevalov A, Ngonga Ngomo A-C, Both A. 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. IEEE; 2022:251–256. doi:10.1109/ICSC52841.2022.00048
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2022 | Conference Paper | LibreCat-ID: 35549
Zahera HM, Heindorf S, Balke S, et al. Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings. In: Groth P, Rula A, Schneider J, et al., eds. The Semantic Web: ESWC 2022 Satellite Events - Hersonissos, Crete, Greece, May 29 - June 2, 2022, Proceedings. Vol 13384. Lecture Notes in Computer Science. Springer; 2022:47–51. doi:10.1007/978-3-031-11609-4_9
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2022 | Conference Paper | LibreCat-ID: 35550
Bondarenko A, Wolska M, Heindorf S, et al. CausalQA: A Benchmark for Causal Question Answering. In: Calzolari N, Huang C-R, Kim H, et al., eds. Proceedings of the 29th International Conference on Computational Linguistics, COLING 2022, Gyeongju, Republic of Korea, October 12-17, 2022. International Committee on Computational Linguistics; 2022:3296–3308.
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2022 | Journal Article | LibreCat-ID: 35553
Hogan A, Blomqvist E, Cochez M, et al. Knowledge Graphs. ACM Comput Surv. 2022;54(4):71:1–71:37. doi:10.1145/3447772
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2022 | Journal Article | LibreCat-ID: 35551
Ali W, Saleem M, Yao B, Hogan A, Ngonga Ngomo A-C. A survey of RDF stores & SPARQL engines for querying knowledge graphs. VLDB J. 2022;31(3):1–26. doi:10.1007/s00778-021-00711-3
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2022 | Journal Article | LibreCat-ID: 35552
Demir C, Ngonga Ngomo A-C. Hardware-agnostic computation for large-scale knowledge graph embeddings. Softw Impacts. 2022;13:100377. doi:10.1016/j.simpa.2022.100377
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2022 | Conference Paper | LibreCat-ID: 34674
Sieger LN, Hermann J, Schomäcker A, et al. User Involvement in Training Smart Home Agents. In: International Conference on Human-Agent Interaction. ACM; 2022. doi:10.1145/3527188.3561914
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2022 | Book Chapter | LibreCat-ID: 33738 |
Zahera HMA, Heindorf S, Balke S, et al. Tab2Onto: Unsupervised Semantification with Knowledge Graph Embeddings. In: The Semantic Web: ESWC 2022 Satellite Events. Springer International Publishing; 2022. doi:10.1007/978-3-031-11609-4_9
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2022 | Conference Paper | LibreCat-ID: 33739 |
Bondarenko A, Wolska M, Heindorf S, et al. CausalQA: A Benchmark for Causal Question Answering. In: Proceedings of the 29th International Conference on Computational Linguistics. International Committee on Computational Linguistics; 2022:3296–3308.
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2022 | Journal Article | LibreCat-ID: 29851 |
Pestryakova S, Vollmers D, Sherif M, et al. CovidPubGraph: A FAIR Knowledge Graph of COVID-19 Publications. Scientific Data. Published online 2022.
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2022 | Conference Paper | LibreCat-ID: 33957
Deppe S, Brandt L, Brünninghaus M, Papenkordt J, Heindorf S, Tschirner-Vinke G. AI-Based Assistance System for Manufacturing. Published online 2022. doi:10.1109/ETFA52439.2022.9921520
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| DOI
2022 | Book Chapter | LibreCat-ID: 33740 |
KOUAGOU NJ, Heindorf S, Demir C, Ngonga Ngomo A-C. Learning Concept Lengths Accelerates Concept Learning in ALC. In: The Semantic Web. Springer International Publishing; 2022. doi:10.1007/978-3-031-06981-9_14
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2021 | Journal Article | LibreCat-ID: 24721
Fathi Ahmed A, Ahmed Sherif M, Moussallem D, Ngonga Ngomo A-C. Multilingual Verbalization and Summarization for Explainable Link Discovery. Data Knowl Eng. 2021;133:101874. doi:10.1016/j.datak.2021.101874
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2021 | Conference Paper | LibreCat-ID: 24722
Röder M, Frerk P, Conrads F, Ngonga Ngomo A-C. Applying Grammar-Based Compression to RDF. In: Verborgh R, Hose K, Paulheim H, et al., eds. The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings. Vol 12731. Lecture Notes in Computer Science. Springer; 2021:93-108. doi:10.1007/978-3-030-77385-4\_6
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2021 | Conference Paper | LibreCat-ID: 24723
Ali M, Saleem M, Ngonga Ngomo A-C. Unsupervised Relation Extraction Using Sentence Encoding. In: Verborgh R, Dimou A, Hogan A, et al., eds. The Semantic Web: {ESWC} 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers. Vol 12739. Lecture Notes in Computer Science. Springer; 2021:136-140. doi:10.1007/978-3-030-80418-3\_25
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2021 | Conference Paper | LibreCat-ID: 24724
Ali M, Saleem M, Ngonga Ngomo A-C. Unsupervised Relation Extraction Using Sentence Encoding. In: Verborgh R, Dimou A, Hogan A, et al., eds. The Semantic Web: {ESWC} 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers. Vol 12739. Lecture Notes in Computer Science. Springer; 2021:136-140. doi:10.1007/978-3-030-80418-3\_25
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2021 | Conference Paper | LibreCat-ID: 24725
Shahzad M, Amin A, Esteves D, Ngonga Ngomo A-C. InferNER: an attentive model leveraging the sentence-level information for Named Entity Recognition in Microblogs. In: Bell E, Keshtkar F, eds. 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
Röder M, Thuy Sy Nguyen P, Conrads F, Alexandra Morim da Silva A, Ngonga Ngomo A-C. 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. {IEEE}; 2021:62-69. doi:10.1109/ICSC50631.2021.00015
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2021 | Conference Paper | LibreCat-ID: 24727
Amer Desouki A, Conrads F, Röder M, Ngonga Ngomo A-C. 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. {IEEE}; 2021:76-79. doi:10.1109/ICSC50631.2021.00017
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2021 | Conference Paper | LibreCat-ID: 24728
Demir C, Moussallem D, Ngonga Ngomo A-C. 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. {IEEE}; 2021:179-182. doi:10.1109/ICSC50631.2021.00038
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2021 | Conference Paper | LibreCat-ID: 24729
G. Athreya R, Kona Bansal S, Ngonga Ngomo A-C, Usbeck R. 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. {IEEE}; 2021:195-198. doi:10.1109/ICSC50631.2021.00041
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2021 | Conference Paper | LibreCat-ID: 24730
Jalota R, Vollmers D, Moussallem D, Ngonga Ngomo A-C. 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. {IEEE}; 2021:221-226. doi:10.1109/ICSC50631.2021.00047
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2021 | Conference Paper | LibreCat-ID: 24731
Wilke A, Bannoura A, Ngonga Ngomo A-C. Relicensing Combined Datasets. In: 15th {IEEE} International Conference on Semantic Computing, {ICSC} 2021, Laguna Hills, CA, USA, January 27-29, 2021. {IEEE}; 2021:241-247. doi:10.1109/ICSC50631.2021.00050
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2021 | Conference Paper | LibreCat-ID: 24732
Röder M, de Souza G, Kuchelev D, Amer Desouki A, Ngonga Ngomo A-C. 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. {IEEE}; 2021:272-279. doi:10.1109/ICSC50631.2021.00054
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2021 | Conference Paper | LibreCat-ID: 25203
Alexandra Morim da Silva A, Röder M, Ngonga Ngomo A-C. Using Compositional Embeddings for Fact Checking. In: Hotho A, Blomqvist E, Dietze S, et al., eds. The Semantic Web - {ISWC} 2021 - 20th International Semantic Web Conference, {ISWC} 2021, Virtual Event, October 24-28, 2021, Proceedings. Vol 12922. Lecture Notes in Computer Science. Springer; 2021:270-286. doi:10.1007/978-3-030-88361-4\_16
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2021 | Conference Paper | LibreCat-ID: 25206
Demir C, Ngonga Ngomo A-C. Convolutional Complex Knowledge Graph Embeddings. In: Verborgh R, Hose K, Paulheim H, et al., eds. The Semantic Web - 18th International Conference, {ESWC} 2021, Virtual Event, June 6-10, 2021, Proceedings. Vol 12731. Lecture Notes in Computer Science. Springer; 2021:409-424. doi:10.1007/978-3-030-77385-4\_24
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2021 | Conference Paper | LibreCat-ID: 25208
Speck R, Moussallem D, Ngonga Ngomo A-C. 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. {IEEE}; 2021:298-305. doi:10.1109/ICSC50631.2021.00057
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2021 | Journal Article | LibreCat-ID: 25209
Demir C, Moussallem D, Ngonga Ngomo A-C. A shallow neural model for relation prediction. CoRR. 2021;abs/2101.09090.
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2021 | Journal Article | LibreCat-ID: 25210
Ali W, Saleem M, Yao B, Hogan A, Ngonga Ngomo A-C. A Survey of RDF Stores \& SPARQL Engines for Querying Knowledge Graphs. CoRR. 2021;abs/2102.13027.
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2021 | Journal Article | LibreCat-ID: 25211
Vollmers D, Jalota R, Moussallem D, Topiwala H, Ngonga Ngomo A-C, Usbeck R. Knowledge Graph Question Answering using Graph-Pattern Isomorphism. CoRR. 2021;abs/2103.06752.
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2021 | Journal Article | LibreCat-ID: 25213
Sharma A, Demir C, Ngonga Ngomo A-C, Wehrheim H. MLCheck- Property-Driven Testing of Machine Learning Models. CoRR. 2021;abs/2105.00741.
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2021 | Journal Article | LibreCat-ID: 25214
Wilke A, Ngonga Ngomo A-C. Open Data Portal Germany (OPAL) Projektergebnisse. CoRR. 2021;abs/2105.03161.
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2021 | Journal Article | LibreCat-ID: 25215
Demir C, Ngonga Ngomo A-C. Out-of-Vocabulary Entities in Link Prediction. CoRR. 2021;abs/2105.12524.
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2021 | Journal Article | LibreCat-ID: 25217
Demir C, Ngonga Ngomo A-C. DRILL- Deep Reinforcement Learning for Refinement Operators in ALC. CoRR. 2021;abs/2106.15373.
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2021 | Conference Paper | LibreCat-ID: 28350
Sharma A, Demir C, Ngonga Ngomo A-C, Wehrheim H. MLCHECK–Property-Driven Testing of Machine Learning Classifiers. In: Proceedings of the 20th IEEE International Conference on Machine Learning and Applications (ICMLA). IEEE.
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2021 | Journal Article | LibreCat-ID: 24719
M. Zahera H, Jalota R, Ahmed Sherif M, Ngonga Ngomo A-C. I-AID: Identifying Actionable Information From Disaster-Related Tweets. {IEEE} Access. 2021;9:118861-118870. doi:10.1109/ACCESS.2021.3107812
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2021 | Journal Article | LibreCat-ID: 24720
Hogan A, Blomqvist E, Cochez M, et al. Knowledge Graphs. {ACM} Comput Surv. 2021;54(4):71:1-71:37. doi:10.1145/3447772
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2021 | Book Chapter | LibreCat-ID: 29046
Feldhans R, Wilke A, Heindorf S, et al. Drift Detection in Text Data with Document Embeddings. In: Intelligent Data Engineering and Automated Learning – IDEAL 2021. ; 2021. doi:10.1007/978-3-030-91608-4_11
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| DOI
2021 | Conference Paper | LibreCat-ID: 29047
Wilke A, Bannoura A, Ngonga Ngomo A-CN. Relicensing Combined Datasets. In: 2021 IEEE 15th International Conference on Semantic Computing (ICSC). ; 2021:241-247. doi:10.1109/ICSC50631.2021.00050
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| DOI
2021 | Conference Paper | LibreCat-ID: 29486
Firmansyah AF, Moussallem D, Ngonga Ngomo A-C. GATES: Using Graph Attention Networks for Entity Summarization. In: Proceedings of the 11th on Knowledge Capture Conference. ACM; 2021:73–80. doi:10.1145/3460210.3493574
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2021 | Conference Paper | LibreCat-ID: 29291 |
Zahera HMA, Heindorf S, Ngonga Ngomo A-C. ASSET: A Semi-supervised Approach for Entity Typing in Knowledge Graphs. In: Proceedings of the 11th on Knowledge Capture Conference. ACM; 2021. doi:10.1145/3460210.3493563
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2021 | Book Chapter | LibreCat-ID: 29292 |
Feldhans R, Wilke A, Heindorf S, et al. Drift Detection in Text Data with Document Embeddings. In: Intelligent Data Engineering and Automated Learning – IDEAL 2021. Springer International Publishing; 2021. doi:10.1007/978-3-030-91608-4_11
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2021 | Conference Paper | LibreCat-ID: 29287 |
Demir C, Moussallem D, Heindorf S, Ngonga Ngomo A-C. Convolutional Hypercomplex Embeddings for Link Prediction. In: The 13th Asian Conference on Machine Learning, ACML 2021. ; 2021.
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| arXiv
2021 | Conference Paper | LibreCat-ID: 29294 |
Nickchen T, Heindorf S, Engels G. 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. doi:10.1109/wacv48630.2021.00204
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2021 | Journal Article | LibreCat-ID: 24456 |
Rohlfing KJ, Cimiano P, Scharlau I, 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. 2021;13(3):717-728. doi:10.1109/tcds.2020.3044366
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2021 | Journal Article | LibreCat-ID: 25212
Qudus U, Saleem M, Ngonga Ngomo A-C, Lee Y-K. An Empirical Evaluation of Cost-based Federated SPARQL Query Processing Engines. Semantic Web. 12(6):843-868. doi:10.3233/SW-200420
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2020 | Dissertation | LibreCat-ID: 16935
Moussalem DC. Knowledge Graphs for Multilingual Language Translation and Generation.; 2020. doi:10.17619/UNIPB/1-980
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2020 | Conference Paper | LibreCat-ID: 20141 |
Heindorf S, Scholten Y, Wachsmuth H, Ngonga Ngomo A-C, Potthast M. CauseNet: Towards a Causality Graph Extracted from the Web. In: Proceedings of the 28th ACM International Conference on Information and Knowledge Management (CIKM 2020). ; 2020:3023-3030. doi:10.1145/3340531.3412763
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2020 | Book Chapter | LibreCat-ID: 29042
Röder M, Sherif M, Saleem M, Conrads F, Ngonga Ngomo A-C. Benchmarking the Lifecycle of Knowledge Graphs. In: Tiddi I, Lécué F, Hitzler P, eds. Knowledge Graphs for EXplainable Artificial Intelligence: Foundations, Applications and Challenges. IOS Press; 2020:73-97. doi:10.3233/SSW200012
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2019 | Conference Paper | LibreCat-ID: 15921
Desouki AA, Röder M, Ngonga Ngomo A-C. Ranking on Very Large Knowledge Graphs. In: Proceedings of the 30th ACM Conference on Hypertext and Social Media - HT ’19. ACM; 2019:163-171. doi:10.1145/3342220.3343660
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