Prof. Dr. Ricardo Usbeck

Prof. Dr. Ricardo Usbeck left SDA. The profile below reflects the status at the point of his departure and is no longer updated.

Lead Research Engineer
Enterprise Information System
Fraunhofer IAIS Dresden

Profiles: GitHub, Twitter

Room 4.34.3
Zwickauer Str. 46, 01069 Dresden, Germany

Short CV


Prof. Dr. Ricardo Usbeck is a Lead Research Engineer at the Enterprise Information System of the Fraunhofer IAIS Dresden.

Research Interests


  • Question Answering
  • Natural Language Processing
  • Semantic Web
  • Machine Learning
  • Dialog Systems

Projects


Publications

79 entries « 1 of 2 »

2022

Rony, Md. Rashad Al Hasan; Kovriguina, Liubov; Chaudhuri, Debanjan; Usbeck, Ricardo; Lehmann, Jens

RoMe: A Robust Metric for Evaluating Natural Language Generation Inproceedings

In: Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), ACL 2022, Dublin, Ireland, May 22-27, 2022, pp. 5645–5657, Association for Computational Linguistics, 2022.

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Rony, Md. Rashad Al Hasan; Usbeck, Ricardo; Lehmann, Jens

DialoKG: Knowledge-Structure Aware Task-Oriented Dialogue Generation Inproceedings

In: Findings of the Association for Computational Linguistics: NAACL 2022, Seattle, WA, United States, July 10-15, 2022, pp. 2557–2571, Association for Computational Linguistics, 2022.

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Perevalov, Aleksandr; Diefenbach, Dennis; Usbeck, Ricardo; Both, Andreas

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

In: 16th IEEE International Conference on Semantic Computing, ICSC 2022, Laguna Hills, CA, USA, January 26-28, 2022, pp. 229–234, IEEE, 2022.

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Banerjee, Debayan; Nair, Pranav Ajit; Kaur, Jivat Neet; Usbeck, Ricardo; Biemann, Chris

Modern Baselines for SPARQL Semantic Parsing Inproceedings

In: SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022, pp. 2260–2265, ACM, 2022.

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Jiang, Longquan; Usbeck, Ricardo

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

In: SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022, pp. 3209–3218, ACM, 2022.

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Rony, Md. Rashad Al Hasan; Chaudhuri, Debanjan; Usbeck, Ricardo; Lehmann, Jens

Tree-KGQA: An Unsupervised Approach for Question Answering Over Knowledge Graphs Journal Article

In: IEEE Access, vol. 10, pp. 50467–50478, 2022.

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2021

Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo

Proxy Indicators for the Quality of Open-domain Dialogues Inproceedings

In: Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, EMNLP 2021, Virtual Event / Punta Cana, Dominican Republic, 7-11 November, 2021, pp. 7834–7855, Association for Computational Linguistics, 2021.

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Vollmers, Daniel; Jalota, Rricha; Moussallem, Diego; Topiwala, Hardik; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo

Knowledge Graph Question Answering Using Graph-Pattern Isomorphism Inproceedings

In: Further with Knowledge Graphs - Proceedings of the 17th International Conference on Semantic Systems, SEMANTiCS 2017, Amsterdam, The Netherlands, September 6-9, 2021, pp. 103–117, IOS Press, 2021.

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Athreya, Ram G.; Bansal, Srividya Kona; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo

Template-based Question Answering using Recursive Neural Networks Inproceedings

In: 15th IEEE International Conference on Semantic Computing, ICSC 2021, Laguna Hills, CA, USA, January 27-29, 2021, pp. 195–198, IEEE, 2021.

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2020

Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo

Language Model Transformers as Evaluators for Open-domain Dialogues Inproceedings

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 6797–6808, International Committee on Computational Linguistics, 2020.

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Galkin, Mikhail; Trivedi, Priyansh; Maheshwari, Gaurav; Usbeck, Ricardo; Lehmann, Jens

Message Passing for Hyper-Relational Knowledge Graphs Inproceedings

In: Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing, EMNLP 2020, Online, November 16-20, 2020, pp. 7346–7359, Association for Computational Linguistics, 2020.

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Nedelchev, Rostislav; Usbeck, Ricardo; Lehmann, Jens

Treating Dialogue Quality Evaluation as an Anomaly Detection Problem Inproceedings

In: Proceedings of The 12th Language Resources and Evaluation Conference, LREC 2020, Marseille, France, May 11-16, 2020, pp. 508–512, European Language Resources Association, 2020.

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Rehm, Georg; Galanis, Dimitris; Labropoulou, Penny; Piperidis, Stelios; Welß, Martin; Usbeck, Ricardo; Köhler, Joachim; Deligiannis, Miltos; Gkirtzou, Katerina; Fischer, Johannes; Chiarcos, Christian; Feldhus, Nils; Schneider, Julián Moreno; Kintzel, Florian; Montiel-Ponsoda, Elena; Rodr'iguez-Doncel, V'ictor; McCrae, John Philip; Laqua, David; Theile, Irina Patricia; Dittmar, Christian; Bontcheva, Kalina; Roberts, Ian; Vasiljevs, Andrejs; Lagzdins, Andis

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

In: Proceedings of the 1st International Workshop on Language Technology Platforms, IWLTP@LREC 2020, Marseille, France, May 2020, pp. 96–107, European Language Resources Association, 2020.

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2019

Jalota, Rricha; Trivedi, Priyansh; Maheshwari, Gaurav; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo

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

In: Chatbot Research and Design - Third International Workshop, CONVERSATIONS 2019, Amsterdam, The Netherlands, November 19-20, 2019, Revised Selected Papers, pp. 19–33, Springer, 2019.

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Gusmita, Ria Hari; Jalota, Rricha; Vollmers, Daniel; Reineke, Jan; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo

QUANT - Question Answering Benchmark Curator Inproceedings

In: Semantic Systems. The Power of AI and Knowledge Graphs - 15th International Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019, Proceedings, pp. 343–358, Springer, 2019.

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Kaur, Paramjot; Blücher, Vincent; Jalota, Rricha; Moussallem, Diego; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo

Offline Question Answering over Linked Data using Limited Resources Inproceedings

In: Proceedings of the Posters and Demo Track of the 15th International Conference on Semantic Systems co-located with 15th International Conference on Semantic Systems (SEMANTiCS 2019), Karlsruhe, Germany, September 9th - to - 12th, 2019, CEUR-WS.org, 2019.

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Saleem, Muhammad; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Verborgh, Ruben; Hogan, Aidan

Preface: 3rd Workshop on Querying and Benchmarking the Web of Data Inproceedings

In: 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), Auckland, New Zealand, October 26-30, 2019, pp. 1–4, CEUR-WS.org, 2019.

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Usbeck, Ricardo; Röder, Michael; Hoffmann, Michael; Conrads, Felix; Huthmann, Jonathan; Ngomo, Axel-Cyrille Ngonga; Demmler, Christian; Unger, Christina

Benchmarking question answering systems Journal Article

In: Semantic Web, vol. 10, no. 2, pp. 293–304, 2019.

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2018

Moussallem, Diego; Usbeck, Ricardo; Röder, Michael; Ngomo, Axel-Cyrille Ngonga

Entity Linking in 40 Languages Using MAG Inproceedings

In: The Semantic Web: ESWC 2018 Satellite Events - ESWC 2018 Satellite Events, Heraklion, Crete, Greece, June 3-7, 2018, Revised Selected Papers, pp. 176–181, Springer, 2018.

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Napolitano, Giulio; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

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

In: Semantic Web Challenges - 5th SemWebEval Challenge at ESWC 2018, Heraklion, Greece, June 3-7, 2018, Revised Selected Papers, pp. 69–75, Springer, 2018.

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Ngomo, Axel-Cyrille Ngonga; Röder, Michael; Moussallem, Diego; Usbeck, Ricardo; Speck, René

BENGAL: An Automatic Benchmark Generator for Entity Recognition and Linking Inproceedings

In: Proceedings of the 11th International Conference on Natural Language Generation, Tilburg University, The Netherlands, November 5-8, 2018, pp. 339–349, Association for Computational Linguistics, 2018.

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Usbeck, Ricardo; Gusmita, Ria Hari; Ngomo, Axel-Cyrille Ngonga; Saleem, Muhammad

9th Challenge on Question Answering over Linked Data (QALD-9) (invited paper) Inproceedings

In: Joint proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data (NLIWOD-4) and 9th Question Answering over Linked Data challenge (QALD-9) co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, California, United States of America, October 8th - 9th, 2018, pp. 58–64, CEUR-WS.org, 2018.

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Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Conrads, Felix; Röder, Michael; Napolitano, Giulio

8th Challenge on Question Answering over Linked Data (QALD-8) (invited paper) Inproceedings

In: Joint proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data (NLIWOD-4) and 9th Question Answering over Linked Data challenge (QALD-9) co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, California, United States of America, October 8th - 9th, 2018, pp. 51–57, CEUR-WS.org, 2018.

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Zahera, Hamada M.; Jalota, Rricha; Usbeck, Ricardo

DICE @ TREC-IS 2018: Combining Knowledge Graphs and Deep Learning to Identify Crisis-Relevant Tweets Inproceedings

In: Proceedings of the Twenty-Seventh Text REtrieval Conference, TREC 2018, Gaithersburg, Maryland, USA, November 14-16, 2018, National Institute of Standards and Technology (NIST), 2018.

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Athreya, Ram G.; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo

Enhancing Community Interactions with Data-Driven Chatbots-The DBpedia Chatbot Inproceedings

In: Companion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018, pp. 143–146, ACM, 2018.

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de Faria, Fabr'icio Firmino; Usbeck, Ricardo; Sarullo, Alessio; Mu, Tingting; Freitas, André

Question Answering Mediated by Visual Clues and Knowledge Graphs Inproceedings

In: Companion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018, pp. 1937–1939, ACM, 2018.

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Singh, Kuldeep; Radhakrishna, Arun Sethupat; Both, Andreas; Shekarpour, Saeedeh; Lytra, Ioanna; Usbeck, Ricardo; Vyas, Akhilesh; Khikmatullaev, Akmal; Punjani, Dharmen; Lange, Christoph; Vidal, Maria-Esther; Lehmann, Jens; Auer, Sören

Why Reinvent the Wheel: Let's Build Question Answering Systems Together Inproceedings

In: Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018, pp. 1247–1256, ACM, 2018.

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Röder, Michael; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

GERBIL - Benchmarking Named Entity Recognition and Linking consistently Journal Article

In: Semantic Web, vol. 9, no. 5, pp. 605–625, 2018.

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2017

Höffner, Konrad; Walter, Sebastian; Marx, Edgard; Usbeck, Ricardo; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Survey on challenges of Question Answering in the Semantic Web Journal Article

In: Semantic Web, vol. 8, no. 6, pp. 895–920, 2017.

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Ngomo, Axel-Cyrille Ngonga; Hoffmann, Michael; Usbeck, Ricardo; Jha, Kunal

Holistic and scalable ranking of RDF data Inproceedings

In: 2017 IEEE International Conference on Big Data (IEEE BigData 2017), Boston, MA, USA, December 11-14, 2017, pp. 746–755, IEEE Computer Society, 2017.

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Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Haarmann, Bastian; Krithara, Anastasia; Röder, Michael; Napolitano, Giulio

7th Open Challenge on Question Answering over Linked Data (QALD-7) Inproceedings

In: Semantic Web Challenges - 4th SemWebEval Challenge at ESWC 2017, Portoroz, Slovenia, May 28 - June 1, 2017, Revised Selected Papers, pp. 59–69, Springer, 2017.

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Moussallem, Diego; Usbeck, Ricardo; Röder, Michael; Ngomo, Axel-Cyrille Ngonga

MAG: A Multilingual, Knowledge-base Agnostic and Deterministic Entity Linking Approach Inproceedings

In: Proceedings of the Knowledge Capture Conference, K-CAP 2017, Austin, TX, USA, December 4-6, 2017, pp. 9:1–9:8, ACM, 2017.

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Saleem, Muhammad; Dastjerdi, Samaneh Nazari; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

Question Answering Over Linked Data: What is Difficult to Answer? What Affects the F scores? Inproceedings

In: Joint Proceedings of BLINK2017: 2nd International Workshop on Benchmarking Linked Data and NLIWoD3: Natural Language Interfaces for the Web of Data co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 21st - to - 22nd, 2017, CEUR-WS.org, 2017.

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Kim, Jin-Dong; Unger, Christina; Ngomo, Axel-Cyrille Ngonga; Freitas, André; Hahm, YoungGyun; Kim, Jiseong; Choi, Gyu-Hyun; Kim, Jeonguk; Usbeck, Ricardo; Kang, Myoung-Gu; Choi, Key-Sun

OKBQA: an Open Collaboration Framework for Development of Natural Language Question-Answering over Knowledge Bases Inproceedings

In: Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to - 25th, 2017, CEUR-WS.org, 2017.

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Ermilov, Timofey; Moussallem, Diego; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

GENESIS: a generic RDF data access interface Inproceedings

In: Proceedings of the International Conference on Web Intelligence, Leipzig, Germany, August 23-26, 2017, pp. 125–131, ACM, 2017.

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Usbeck, Ricardo

Knowledge Extraction for Hybrid Question Answering PhD Thesis

Leipzig University, Germany, 2017.

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2016

Höffner, Konrad; Lehmann, Jens; Usbeck, Ricardo

CubeQA - Question Answering on RDF Data Cubes Inproceedings

In: The Semantic Web - ISWC 2016 - 15th International Semantic Web Conference, Kobe, Japan, October 17-21, 2016, Proceedings, Part I, pp. 325–340, 2016.

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Usbeck, Ricardo; Röder, Michael; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga

DIESEL -- Distributed Search over Large Enterprise Data Inproceedings

In: ESWC, EU networking session, 2016.

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Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

QAMEL -- Question Answering on Mobile Devices Inproceedings

In: ESWC, EU networking session, 2016.

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Usbeck, Ricardo; Röder, Michael; Haase, Peter; Kozlov, Artem; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga

Requirements to Modern Semantic Search Engines Inproceedings

In: KESW, 2016.

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Saleem, Muhammad; Usbeck, Ricardo; Röder, Michael; Ngomo, Axel-Cyrille Ngonga

SPARQL Querying Benchmarks Inproceedings

In: Tutorial at ISWC, 2016.

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Diefenbach, Dennis; Usbeck, Ricardo; Singh, Kamal Deep; Maret, Pierre

Scalable Approach for Computing Semantic Relatedness using Semantic Web Data Inproceedings

In: Proceedings of the International Conference on Web Intelligence, Mining and Semantics, 2016.

BibTeX

Röder, Michael; Usbeck, Ricardo; Ngonga Ngomo, Axel-Cyrille

Techreport for GERBIL 1.2.2 - V1 Technical Report

Leipzig University 2016.

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Usbeck, Ricardo; Röder, Michael; Haase, Peter; Kozlov, Artem; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga

Requirements to Modern Semantic Search Engine Inproceedings

In: Knowledge Engineering and Semantic Web - 7th International Conference, KESW 2016, Prague, Czech Republic, September 21-23, 2016, Proceedings, pp. 328–343, Springer, 2016.

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Diefenbach, Dennis; Usbeck, Ricardo; Singh, Kamal Deep; Maret, Pierre

A Scalable Approach for Computing Semantic Relatedness using Semantic Web Data Inproceedings

In: Proceedings of the 6th International Conference on Web Intelligence, Mining and Semantics, WIMS 2016, N^imes, France, June 13-15, 2016, pp. 20:1–20:9, ACM, 2016.

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2015

Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

HAWK@QALD5 - Trying to Answer Hybrid Questions with Various Simple Ranking Techniques Inproceedings

In: Working Notes of CLEF 2015 - Conference and Labs of the Evaluation forum, Toulouse, France, September 8-11, 2015, CEUR-WS.org, 2015.

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Röder, Michael; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

Developing a Sustainable Platform for Entity Annotation Benchmarks Inproceedings

In: The Semantic Web: ESWC 2015 Satellite Events - ESWC 2015 Satellite Events Portorov z, Slovenia, May 31 - June 4, 2015, Revised Selected Papers, pp. 190–196, Springer, 2015.

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Röder, Michael; Usbeck, Ricardo; Speck, René; Ngomo, Axel-Cyrille Ngonga

CETUS - A Baseline Approach to Type Extraction Inproceedings

In: Semantic Web Evaluation Challenges - Second SemWebEval Challenge at ESWC 2015, Portorov z, Slovenia, May 31 - June 4, 2015, Revised Selected Papers, pp. 16–27, Springer, 2015.

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Usbeck, Ricardo; Röder, Michael; Ngomo, Axel-Cyrille Ngonga

Evaluating Entity Annotators Using GERBIL Inproceedings

In: The Semantic Web: ESWC 2015 Satellite Events - ESWC 2015 Satellite Events Portorov z, Slovenia, May 31 - June 4, 2015, Revised Selected Papers, pp. 159–164, Springer, 2015.

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Esteves, Diego; Moussallem, Diego; Neto, Ciro Baron; Soru, Tommaso; Usbeck, Ricardo; Ackermann, Markus; Lehmann, Jens

MEX vocabulary: a lightweight interchange format for machine learning experiments Inproceedings

In: Proceedings of the 11th International Conference on Semantic Systems, SEMANTiCS 2015, Vienna, Austria, September 15-17, 2015, pp. 169–176, ACM, 2015.

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79 entries « 1 of 2 »