Ricardo Usbeck

Prof. Dr.

  1. 2018
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 2017
  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 2016
  21. 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

  22. Requirements to modern semantic search engine

    Usbeck, R., Röder, M., Haase, P., Kozlov, A., Saleem, M. & Ngonga Ngomo, A. C., 06.09.2016, Knowledge Engineering and Semantic Web - 7th International Conference, KESW 2016, Proceedings. Ngomo, A.-C. N. & Křemen, P. (eds.). Springer Nature Switzerland AG, p. 328-343 16 p. (Communications in Computer and Information Science; vol. 649).

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

  23. A scalable approach for computing semantic relatedness using semantic web data

    Diefenbach, D., Usbeck, R., Singh, K. D. & Maret, P., 13.06.2016, 6th International Conference on Web Intelligence, Mining and Semantics, WIMS 2016. Bellot, P., Montmain, J., Harispe, S., Trousset, F., Plantie, M., Akerkar, R., Laurent, A. & Ranwez, S. (eds.). Association for Computing Machinery, Inc, 9 p. 20. (ACM International Conference Proceeding Series; vol. 13-15-June-2016).

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