Prof. Dr. Ricardo Usbeck

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

67 entries « 1 of 2 »

2021

Athreya, Ram G.; Bansal, Srividya; 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; 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, 10 (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 F.; 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, 9 (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, 8 (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, 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

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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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; 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; Röder, Michael; Ngomo, Axel-Cyrille Ngonga; Baron, Ciro; Both, Andreas; Brümmer, Martin; Ceccarelli, Diego; Cornolti, Marco; Cherix, Didier; Eickmann, Bernd; Ferragina, Paolo; Lemke, Christiane; Moro, Andrea; Navigli, Roberto; Piccinno, Francesco; Rizzo, Giuseppe; Sack, Harald; Speck, René; Troncy, Rapha"el; Waitelonis, Jörg; Wesemann, Lars

GERBIL -- General Entity Annotation Benchmark Framework Inproceedings

In: 24th WWW conference, 2015.

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Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina

HAWK - Hybrid Question Answering over Linked Data Inproceedings

In: 12th Extended Semantic Web Conference, Portorov z, Slovenia, 31st May - 4th June 2015, 2015.

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Usbeck, Ricardo; Körner, Erik; Ngomo, Axel-Cyrille Ngonga

Answering Boolean Hybrid Questions with HAWK Inproceedings

In: NLIWOD workshop at International Semantic Web Conference (ISWC), including erratum and changes, 2015.

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Usbeck, Ricardo

Analyse von Mikro-Blogging-Daten Journal Article

In: Informatik-Spektrum, 38 (5), pp. 400-405, 2015, ISSN: 0170-6012.

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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: Proceedings of the ESWC Developers Workshop 2015 co-located with the 12th Extended Semantic Web Conference (ESWC 2015), Portorov z, Slovenia, May 31, 2015, pp. 23–28, CEUR-WS.org, 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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Bühmann, Lorenz; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

ASSESS - Automatic Self-Assessment Using Linked Data Inproceedings

In: The Semantic Web - ISWC 2015 - 14th International Semantic Web Conference, Bethlehem, PA, USA, October 11-15, 2015, Proceedings, Part II, pp. 76–89, Springer, 2015.

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Gerber, Daniel; Esteves, Diego; Lehmann, Jens; Bühmann, Lorenz; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Speck, René

DeFacto - Temporal and multilingual Deep Fact Validation Journal Article

In: J. Web Semant., 35 , pp. 85–101, 2015.

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Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina

HAWK - Hybrid Question Answering Using Linked Data Inproceedings

In: The Semantic Web. Latest Advances and New Domains - 12th European Semantic Web Conference, ESWC 2015, Portoroz, Slovenia, May 31 - June 4, 2015. Proceedings, pp. 353–368, Springer, 2015.

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Usbeck, Ricardo; Röder, Michael; Ngomo, Axel-Cyrille Ngonga; Baron, Ciro; Both, Andreas; Brümmer, Martin; Ceccarelli, Diego; Cornolti, Marco; Cherix, Didier; Eickmann, Bernd; Ferragina, Paolo; Lemke, Christiane; Moro, Andrea; Navigli, Roberto; Piccinno, Francesco; Rizzo, Giuseppe; Sack, Harald; Speck, René; Troncy, Rapha"el; Waitelonis, Jörg; Wesemann, Lars

GERBIL: General Entity Annotator Benchmarking Framework Inproceedings

In: Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015, pp. 1133–1143, ACM, 2015.

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Usbeck, Ricardo

Analyse von Mikro-Blogging-Daten - Korrelation und Visualisierung von Twitter Hashtags Journal Article

In: Informatik Spektrum, 38 (5), pp. 400–405, 2015.

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2014

Usbeck, Ricardo

Combining Linked Data and Statistical Information Retrieval Inproceedings

In: 11th Extended Semantic Web Conference, PhD Symposium, Springer, 2014.

Abstract | Links | BibTeX

67 entries « 1 of 2 »