Ricardo Usbeck
Prof. Dr.

- Informatics
- Business informatics
Research areas
- 2018
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
Gerbil – Benchmarking named entity recognition and linking consistently
Röder, M., Usbeck, R. & Ngonga Ngomo, A. C., 2018, In: Semantic Web. 9, 5Research output: Journal contributions › Journal articles › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
- 2017
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research
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/works › Article in conference proceedings › Research › peer-review
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 contributions › Journal articles › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
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 anthologies › Conference proceedings › Research
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review
- 2016
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/works › Article in conference proceedings › Research
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/works › Article in conference proceedings › Research › peer-review
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/works › Article in conference proceedings › Research › peer-review