Ricardo Usbeck

Prof. Dr.

  1. 2023
  2. WikiEvents - A Novel Resource for NLP Downstream Tasks

    Michaelis, L., Huang, J. & Usbeck, R., 2023, ESWC 2023 Workshops and Tutorials Joint Proceedings: Joint Proceedings of the ESWC 2023 Workshops and Tutorials, Hersonissos, Greece, May 28-29, 2023.. Alam, M., Trojahn, C., Hertling, S., Pesquita, C., Aebeloe, C., Aras, H., Azzam, A., Cano, J., Domingue, J., Gottschalk, S., Hartig, O., Hose, K., Kirrane, S., Lisena, P., Osborne, F., Rohde, P., Steels, L., Taelman, R., Third, A., Tiddi, I. & Türker, R. (eds.). Sun Site Central Europe (RWTH Aachen University), Vol. 3443. (CEUR Workshop Proceedings).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  3. 2022
  4. The Lifecycle of "Facts'': A Survey of Social Bias in Knowledge Graphs

    Kraft, A. & Usbeck, R., 01.11.2022, Proceedings of the 2nd Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 12th International Joint Conference on Natural Language Processing: Volume 1: Long Papers. He, Y., Ji, H., Li, S., Liu, Y. & Chang, C.-H. (eds.). Stroudsburg: Association for Computational Linguistics (ACL), Vol. 1. p. 639-652 14 p.

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  5. Proceedings of the SeMantic Answer Type and Relation Prediction Task at ISWC 2021 Semantic Web Challenge (SMART2021)

    Mihindukulasooriya, N. (Editor), Dubey, M. (Editor), Gliozzo, A. (Editor), Lehmann, J. (Editor), Ngomo, A.-C. N. (Editor), Usbeck, R. (Editor), Rossiello, G. (Editor) & Kumar, U. (Editor), 10.2022, CEUR-WS.org. 88 p. (CEUR Workshop Proceedings; vol. 3119)

    Research output: Books and anthologiesConference proceedingsResearch

  6. Survey on English Entity Linking on Wikidata: Datasets and approaches

    Möller, C., Lehmann, J. & Usbeck, R., 26.09.2022, In: Semantic Web. 13, 6, p. 925-966 42 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  7. Knowledge Graph Question Answering Datasets and Their Generalizability: Are They Enough for Future Research?

    Jiang, L. & Usbeck, R., 07.07.2022, SIGIR 2022 - Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval. Amigo, E., Castells, P. & Gonzalo, J. (eds.). New York: Association for Computing Machinery, Inc, p. 3209-3218 10 p. (Proceedings of the International ACM SIGIR Conference on Research and Development in Information Retrieval; vol. 2022).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  8. Modern Baselines for SPARQL Semantic Parsing

    Banerjee, D., Nair, P. A., Kaur, J. N., Usbeck, R. & Biemann, C., 07.07.2022, SIGIR 2022 - Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval. Amigo, E., Castells, P. & Gonzalo, J. (eds.). Association for Computing Machinery, Inc, p. 2260-2265 6 p. (SIGIR 2022 - Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  9. Transformer with Tree-order Encoding for Neural Program Generation

    Thellmann, K.-D., Stadler, B., Usbeck, R. & Lehmann, J., 30.05.2022, (In preparation) Conference XXX. 10 p.

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearch

  10. A formalization of one of the main claims of “‘Dunbar’s number’ deconstructed” by Lindenfors et al. 2021

    Usbeck, R., 22.03.2022, In: Data Science. 5, 1, p. 61-64 4 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  11. DialoKG: Knowledge-Structure Aware Task-Oriented Dialogue Generation

    Al Hasan Rony, M. R., Usbeck, R. & Lehmann, J., 01.01.2022, Findings of the Association for Computational Linguistics: NAACL 2022 - Findings. Association for Computational Linguistics (ACL), p. 2557-2571 15 p. (Findings of the Association for Computational Linguistics: NAACL 2022 - Findings).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  12. Tree-KGQA: An Unsupervised Approach for Question Answering Over Knowledge Graphs

    Rony, M. R. A. H., Chaudhuri, D., Usbeck, R. & Lehmann, J., 01.01.2022, In: IEEE Access. 10, p. 50467-50478 12 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  13. Knowledge Graph Question Answering Leaderboard: A Community Resource to Prevent a Replication Crisis

    Perevalov, A., Yan, X., Kovriguina, L., Jiang, L., Both, A. & Usbeck, R., 2022, 2022 Language Resources and Evaluation Conference, LREC 2022. Calzolari, N., Bechet, F., Blache, P., Choukri, K., Cieri, C., Declerck, T., Goggi, S., Isahara, H., Maegaard, B., Mariani, J., Mazo, H., Odijk, J. & Piperidis, S. (eds.). European Language Resources Association (ELRA), p. 2998-3007 10 p. (2022 Language Resources and Evaluation Conference, LREC 2022).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  14. Measuring Gender Bias in German Language Generation

    Kraft, A., Zorn, H. P., Fecht, P., Simon, J., Biemann, C. & Usbeck, R., 2022, INFORMATIK 2022 - Informatik in den Naturwissenschaften. Demmler, D., Krupka, D. & Federrath, H. (eds.). Bonn: Gesellschaft für Informatik e.V., p. 1257-1274 18 p. (Lecture Notes in Informatics (LNI), Proceedings - Series of the Gesellschaft fur Informatik (GI); vol. P-326).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  15. Proceedings of the 7th Natural Language Interfaces for the Web of Data (NLIWoD)

    Yan, X. (Editor), Beloucif, M. (Editor) & Usbeck, R. (Editor), 2022, Aachen: CEUR-WS.org. 42 p. (CEUR Workshop Proceedings; vol. 3196)

    Research output: Books and anthologiesConference proceedingsResearch

  16. QALD-9-plus: A Multilingual Dataset for Question Answering over DBpedia and Wikidata Translated by Native Speakers

    Perevalov, A., Diefenbach, D., Usbeck, R. & Both, A., 2022, Proceedings - 16th IEEE International Conference on Semantic Computing, ICSC 2022. Institute of Electrical and Electronics Engineers Inc., p. 229-234 6 p. (Proceedings - 16th IEEE International Conference on Semantic Computing, ICSC 2022).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  17. RoMe: A Robust Metric for Evaluating Natural Language Generation

    Al Hasan Rony, M. R., Kovriguina, L., Chaudhuri, D., Usbeck, R. & Lehmann, J., 2022, ACL 2022 - 60th Annual Meeting of the Association for Computational Linguistics, Proceedings of the Conference (Long Papers). Muresan, S., Nakov, P. & Villavicencio, A. (eds.). Association for Computational Linguistics (ACL), p. 5645-5657 13 p. (Proceedings of the Annual Meeting of the Association for Computational Linguistics; vol. 1).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  18. 2021
  19. Proxy Indicators for the Quality of Open-domain Dialogues

    Nedelchev, R., Lehmann, J. & Usbeck, R., 01.01.2021, EMNLP 2021 - 2021 Conference on Empirical Methods in Natural Language Processing, Proceedings. Moens, M.-F., Huang, X., Specia, L. & Wen-tau Yih, S. (eds.). Association for Computational Linguistics (ACL), p. 7834-7855 22 p. (EMNLP 2021 - 2021 Conference on Empirical Methods in Natural Language Processing, Proceedings).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  20. Template-based Question Answering using Recursive Neural Networks

    Athreya, R. G., Bansal, S. K., Ngomo, A. C. N. & Usbeck, R., 01.2021, Proceedings - 2021 IEEE 15th International Conference on Semantic Computing, ICSC 2021. Institute of Electrical and Electronics Engineers Inc., p. 195-198 4 p. 9364639. (Proceedings - 2021 IEEE 15th International Conference on Semantic Computing, ICSC 2021).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  21. Knowledge Graph Question Answering Using Graph-Pattern Isomorphism

    Vollmers, D., Jalota, R., Moussallem, D., Topiwala, H., Ngomo, A.-C. N. & Usbeck, R., 2021, Further with Knowledge Graphs - Proceedings of the 17th International Conference on Semantic Systems, SEMANTiCS 2017, Amsterdam, The Netherlands, September 6-9, 2021. Alam, M., Groth, P., Boer, V. D., Pellegrini, T., Pandit, H. J., Montiel-Ponsoda, E., Rodríguez-Doncel, V., McGillivray, B. & Meroño-Peñuela, A. (eds.). Netherlands: IOS Press BV, Vol. 53. p. 103-117 15 p. (Studies on the Semantic Web; vol. 53).

    Research output: Contributions to collected editions/worksChapterpeer-review

  22. 2020
  23. Proceedings of the SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge

    Mihindukulasooriya, N. (Editor), Dubey, M. (Editor), Gliozzo, A. (Editor), Lehmann, J. (Editor), Ngomo, A.-C. N. (Editor) & Usbeck, R. (Editor), 11.2020, CEUR-WS.org. 80 p. (CEUR Workshop Proceedings; vol. 2774)

    Research output: Books and anthologiesBook

  24. Language Model Transformers as Evaluators for Open-domain Dialogues

    Nedelchev, R., Lehmann, J. & Usbeck, R., 01.01.2020, COLING 2020 - 28th International Conference on Computational Linguistics: Proceedings of the Conference. Scott, D., Bel, N. & Zong, C. (eds.). Association for Computational Linguistics (ACL), p. 6797-6808 12 p. (COLING 2020 - 28th International Conference on Computational Linguistics, Proceedings of the Conference).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  25. Message passing for hyper-relational knowledge graphs

    Galkin, M., Trivedi, P., Maheshwari, G., Usbeck, R. & Lehmann, J., 01.01.2020, EMNLP 2020 - 2020 Conference on Empirical Methods in Natural Language Processing, Proceedings of the Conference. Webber, B., Cohn, T., He, Y. & Liu, Y. (eds.). Association for Computational Linguistics (ACL), p. 7346-7359 14 p. (EMNLP 2020 - 2020 Conference on Empirical Methods in Natural Language Processing, Proceedings of the Conference).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  26. An Approach for Ex-Post-Facto Analysis of Knowledge Graph-Driven Chatbots – The DBpedia Chatbot

    Jalota, R., Trivedi, P., Maheshwari, G., Ngonga Ngomo, A. C. & Usbeck, R., 2020, Chatbot Research and Design: 3rd International Workshop, CONVERSATIONS 2019. Følstad, A., Araujo, T., Papadopoulos, S., Law, E.L.-C., Granmo, O.-C., Luger, E. & Brandtzaeg, P. B. (eds.). Springer Verlag, p. 19-33 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 11970 LNCS).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  27. Finding Datasets in Publications: The University of Paderborn Approach

    Jalota, R., Srivastava, N., Vollmers, D., Speck, R., Röder, M., Usbeck, R. & Ngomo, A.-C. N., 2020, Rich Search and Discovery for Research Datasets: Building the next generation of Scholary infrastructure. Lane, J. I., Mulvany, I. & Nathan, P. (eds.). SAGE Publications Inc., p. 129-141 13 p.

    Research output: Contributions to collected editions/worksChapterpeer-review

  28. Towards an Interoperable Ecosystem of AI and LT Platforms: A Roadmap for the Implementation of Different Levels of Interoperability

    Rehm, G., Galanis, D., Labropoulou, P., Piperidis, S., Welß, M., Usbeck, R., Köhler, J., Deligiannis, M., Gkirtzou, K., Fischer, J., Chiarcos, C., Feldhus, N., Moreno-Schneider, J., Kintzel, F., Montiel-Ponsoda, E., Rodrguez-Doncel, V., McCrae, J. P., Laqua, D., Theile, I. P., Dittmar, C., Bontcheva, K., Roberts, I., Vasiljevs, A. & Lagzdins, A., 2020, Proceedings of the 1st International Workshop on Language Technology Platforms, IWLTP@LREC 2020, Marseille, France, May 2020. Rehm, G., Bontcheva, K., Choukri, K., Hajic, J., Piperidis, S. & Vasiljevs, A. (eds.). European Language Resources Association (ELRA), p. 96-107 12 p.

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  29. Treating dialogue quality evaluation as an anomaly detection problem

    Nedelchev, R., Lehmann, J. & Usbeck, R., 2020, LREC 2020 - 12th International Conference on Language Resources and Evaluation, Conference Proceedings. Calzolari, N., Bechet, F., Blache, P., Choukri, K., Cieri, C., Declerck, T., Goggi, S., Isahara, H., Maegaard, B., Mariani, J., Mazo, H., Moreno, A., Odijk, J. & Piperidis, S. (eds.). European Language Resources Association (ELRA), p. 508-512 5 p. (LREC 2020 - 12th International Conference on Language Resources and Evaluation, Conference Proceedings).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  30. 2019
  31. Offline question answering over linked data using limited resources

    Kaur, P., Blücher, V., Jalota, R., Moussallem, D., Ngomo, A. C. N. & Usbeck, R., 09.2019, SEMPDS 2019: Posters and Demos at SEMANTiCS 2019. Alam, M., Usbeck, R., Pellegrini, T., Sack, H. & Sure-Vetter, Y. (eds.). Sun Site Central Europe (RWTH Aachen University), Vol. 2451. (CEUR Workshop Proceedings; vol. 2451).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  32. FAIR.ReD: Semantic knowledge graph infrastructure for the life sciences

    Vogt, L., Auer, S., Bartolomaeus, T., Buttigieg, P. L., Grobe, P., Michalik, P., Stocker, M. & Usbeck, R., 19.06.2019, In: Biodiversity Information Science and Standards. 3, 3 p., e37206.

    Research output: Journal contributionsConference abstract in journalResearch

  33. QUANT - Question Answering Benchmark Curator

    Gusmita, R. H., Jalota, R., Vollmers, D., Reineke, J., Ngonga Ngomo, A. C. & Usbeck, R., 01.01.2019, Semantic Systems. The Power of AI and Knowledge Graphs - 15th International Conference, SEMANTiCS 2019 Proceedings. Acosta, M., Sure-Vetter, Y., Cudré-Mauroux, P., Maleshkova, M., Pellegrini, T. & Sack, H. (eds.). Springer Verlag, p. 343-358 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 11702 LNCS).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  34. Benchmarking question answering systems

    Usbeck, R., Röder, M., Hoffmann, M., Conrads, F., Huthmann, J., Ngonga-Ngomo, A. C., Demmler, C. & Unger, C., 2019, In: Semantic Web. 10, 2, p. 293-304 12 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  35. Proceedings of the posters and demo track of the 15th international conference on semantic systems. 9th - 12th of September 2019, Karlsruhe, Germany

    Alam, M. (Editor), Usbeck, R. (Editor), Pellegrini, T. (Editor), Sack, H. (Editor) & Sure-Vetter, Y. (Editor), 2019, Sun Site Central Europe (RWTH Aachen University). (CEUR Workshop Proceedings; vol. 2451)

    Research output: Books and anthologiesConference proceedingsResearch

  36. QuWeDa 2019 - Proceedings of the QuWeDa 2019: 3rd Workshop on Querying and Benchmarking the Web of Data, co-located with 18th International Semantic Web Conference, ISWC 2019

    Saleem, M. (Editor), Hogan, A. (Editor), Usbeck, R. (Editor), Ngomo, A.-C. N. (Editor) & Verborgh, R. (Editor), 2019, CEUR-WS.org. 82 p. (CEUR Workshop Proceedings; vol. 2496)

    Research output: Books and anthologiesConference proceedingsResearch

  37. 2018
  38. BENGAL: An automatic benchmark generator for entity recognition and linking

    Ngomo, A. C. N., Röder, M., Moussallem, D., Usbeck, R. & Speck, R., 01.11.2018, INLG 2018 - 11th International Natural Language Generation Conference, Proceedings of the Conference. Krahmer, E., Gatt, A. & Goudbeek, M. (eds.). Association for Computational Linguistics (ACL), p. 339-349 11 p. (INLG 2018 - 11th International Natural Language Generation Conference, Proceedings of the Conference).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  39. 8th challenge on question answering over linked data (QALD-8)

    Usbeck, R., Ngomo, A. C. N., Conrads, F., Röder, M. & Napolitano, G., 10.2018, SemDeep-4_NLIWOD-4 2018: Joint Proceedings of ISWC 2018 Workshops SemDeep-4 and NLIWOD-4. Choi, K.-S., Anke, L. E., Decklerck, T., Gromann, D., Kim, J.-D., Ngomo, A.-C. N., Saleem, M. & Usbeck, R. (eds.). Sun Site Central Europe (RWTH Aachen University), Vol. 2241. p. 51-57 7 p. (CEUR Workshop Proceedings; vol. 2241).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  40. 9th challenge on question answering over linked data (QALD-9)

    Usbeck, R., Gusmita, R. H., Ngomo, A. C. N. & Saleem, M., 10.2018, SemDeep-4_NLIWOD-4 2018: Joint Proceedings of ISWC 2018 Workshops SemDeep-4 and NLIWOD-4. Choi, K.-S., Anke, L. E., Decklerck, T., Gromann, D., Kim, J.-D., Ngomo, A.-C. N., Saleem, M. & Usbeck, R. (eds.). Sun Site Central Europe (RWTH Aachen University), Vol. 2241. p. 58-64 7 p. (CEUR Workshop Proceedings; vol. 2241).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  41. Enhancing Community Interactions with Data-Driven Chatbots - The DBpedia Chatbot

    Athreya, R. G., Ngonga Ngomo, A. C. & Usbeck, R., 23.04.2018, The Web Conference 2018 - Companion of the World Wide Web Conference, WWW 2018. Champin, P.-A., Gandon, F. & Medini, L. (eds.). Association for Computing Machinery, Inc, p. 143-146 4 p. (The Web Conference 2018 - Companion of the World Wide Web Conference, WWW 2018).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  42. Question Answering Mediated by Visual Clues and Knowledge Graphs

    Faria, F. F., Usbeck, R., Sarullo, A., Mu, T. & Freitas, A., 23.04.2018, The Web Conference 2018 - Companion of the World Wide Web Conference, WWW 2018. Association for Computing Machinery, Inc, p. 1937-1939 3 p. (The Web Conference 2018 - Companion of the World Wide Web Conference, WWW 2018; vol. 2018-January).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  43. Why reinvent the wheel: Let's build question answering systems together

    Singh, K., Radhakrishna, A. S., Both, A., Shekarpour, S., Lytra, I., Usbeck, R., Vyas, A., Khikmatullaev, A., Punjani, D., Lange, C., Vidal, M. E., Lehmann, J. & Auer, S., 10.04.2018, The Web Conference 2018 - Proceedings of the World Wide Web Conference, WWW 2018. Champin, P.-A., Gandon, F. & Medini, L. (eds.). Association for Computing Machinery, Inc, p. 1247-1256 10 p. (The Web Conference 2018 - Proceedings of the World Wide Web Conference, WWW 2018).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  44. Entity linking in 40 languages using MAG

    Moussallem, D., Usbeck, R., Röder, M. & Ngonga Ngomo, A. C., 2018, The Semantic Web: ESWC 2018 Satellite Events - ESWC 2018, Revised Selected Papers. Gangemi, A., Gentile, A. L., Paulheim, H., Maleshkova, M., Rudolph, S., Pan, J. Z., Alam, M. & Nuzzolese, A. G. (eds.). Springer-Verlag Wien, p. 176-181 6 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 11155 LNCS).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  45. Gerbil – Benchmarking named entity recognition and linking consistently

    Röder, M., Usbeck, R. & Ngonga Ngomo, A. C., 2018, In: Semantic Web. 9, 5

    Research output: Journal contributionsJournal articlesResearchpeer-review

  46. The Scalable Question Answering Over Linked Data (SQA) Challenge 2018

    Napolitano, G., Usbeck, R. & Ngomo, A. C. N., 2018, Semantic Web Challenges - 5th SemWebEval Challenge at ESWC 2018, Revised Selected Papers. Reforgiato Recupero, D., Gangemi, A. & Buscaldi, D. (eds.). Springer-Verlag Wien, p. 69-75 7 p. (Communications in Computer and Information Science; vol. 927).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  47. 2017
  48. MAG: A multilingual, knowledge-base agnostic and deterministic entity linking approach

    Moussallem, D., Usbeck, R., Röder, M. & Ngomo, A. C. N., 04.12.2017, Proceedings of the Knowledge Capture Conference, K-CAP 2017. Association for Computing Machinery, Inc, p. 1-8 8 p. 9. (Proceedings of the Knowledge Capture Conference, K-CAP 2017).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  49. Using Multi-Label Classification for Improved Question Answering

    Usbeck, R., Hoffmann, M., Röder, M., Lehmann, J. & Ngomo, A.-C. N., 24.10.2017, (In preparation) Conference XXX. 15 p.

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearch

  50. GENESIS - A generic RDF data access interface

    Ermilov, T., Moussallem, D., Usbeck, R. & Ngomo, A. C. N., 23.08.2017, Proceedings - 2017 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2017. Sheth, A. (ed.). Association for Computing Machinery, Inc, p. 125-131 7 p. (Proceedings - 2017 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2017).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  51. Survey on challenges of Question Answering in the Semantic Web

    Höffner, K., Walter, S., Marx, E., Usbeck, R., Lehmann, J. & Ngonga Ngomo, A. C., 07.08.2017, In: Semantic Web. 8, 6, p. 895-920 26 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  52. Holistic and scalable ranking of RDF data

    Ngomo, N., Ngomo, N., Hoffmann, M., Usbeck, R. & Jha, K., 01.07.2017, Proceedings - 2017 IEEE International Conference on Big Data, Big Data 2017. Nie, J.-Y., Obradovic, Z., Suzumura, T., Ghosh, R., Nambiar, R., Wang, C., Zang, H., Baeza-Yates, R., Baeza-Yates, R., Hu, X., Kepner, J., Cuzzocrea, A., Tang, J. & Toyoda, M. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 746-755 10 p. (Proceedings - 2017 IEEE International Conference on Big Data, Big Data 2017; vol. 2018-January).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  53. 7th open challenge on question answering over linked data (QALD-7)

    Usbeck, R., Ngomo, A. C. N., Haarmann, B., Krithara, A., Röder, M. & Napolitano, G., 2017, Semantic Web Challenges - 4th SemWebEval Challenge at ESWC 2017, Revised Selected Papers. Dragoni, M., Solanki, M. & Blomqvist, E. (eds.). Springer International Publishing, p. 59-69 11 p. (Communications in Computer and Information Science; vol. 769).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  54. Joint proceedings of RSP 2017 and QuWeDa 2017

    Calbimonte, J. P. (Editor), Dao-Tran, M. (Editor), Dell'Aglio, D. (Editor), Le Phuoc, D. (Editor), Saleem, M. (Editor), Usbeck, R. (Editor), Verborgh, R. (Editor) & Ngomo, A. C. N. (Editor), 2017, Sun Site Central Europe (RWTH Aachen University). 62 p. (CEUR Workshop Proceedings)

    Research output: Books and anthologiesConference proceedingsResearch

  55. OKBQA framework towards an open collaboration for development of natural language question-answering systems over knowledge bases

    Kim, J. D., Unger, C., Ngomo, A. C. N., Freitas, A., Hahm, Y. G., Kim, J., Nam, S., Choi, G. H., Kim, J. U., Usbeck, R., Kang, M. G. & Choi, K. S., 2017, ISWC-P&D-Industry 2017: Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks. Nikitina, N., Song, D., Fokoue, A. & Haase, P. (eds.). Sun Site Central Europe (RWTH Aachen University), Vol. 1963. 4 p. (CEUR Workshop Proceedings; vol. 1963).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  56. Question answering over linked data: What is difficult to answer? What affects the F scores?

    Saleem, M., Dastjerdi, S. N., Usbeck, R. & Ngomo, A. C. N., 2017, Joint Proceedings of BLINK2017: 2nd International Workshop on Benchmarking Linked Data and NLIWoD3 : Natural Language Interfaces for the Web of Data. Usbeck, R., Ngomo, A.-C. N., Kim, J.-D., Choi, K.-S., Cimiano, P., Fundulaki, I. & Krithara, A. (eds.). Sun Site Central Europe (RWTH Aachen University), Vol. 1932. (CEUR Workshop Proceedings; vol. 1932).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  57. 2016
  58. Self-Wiring Question Answering Systems

    Usbeck, R., Huthmann, J., Duldhardt, N. & Ngomo, A.-C. N., 08.11.2016, (In preparation) Conference XXX. 6 p.

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearch