Homepage
Johannes Hoffart
Max-Planck-Institut für Informatik
Department 5: Database and Information Systems
Campus E1 4, Room 412
66123 Saarbrücken
Germany
Email:
Get my email address via email
Phone: +49 681 9325 5110
Fax: +49 681 9325 599
My personal Homepage
- Natural Language Understanding
- Knowledge Harvesting
- Information Extraction
- AmbiverseNLU: The Ambiverse natural language understanding suite
- STICS: Searching with Strings, Things, and Cats
- AIDA: Accurate Online Disambiguation of Named Entities
- YAGO: A High-Quality Knowledge Base
All my publications - most with PDF - on my personal Homepage - DBLP - Google Scholar
Selected Publications:
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A Study of the Importance of External Knowledge in the Named Entity Recognition Task
Dominic Seyler, Tatiana Dembelova, Luciano Del Corro, Johannes Hoffart, and Gerhard Weikum
In: Proceedings of the 56th annual meeting of the Association for Computational Linguistics, Melbourne, Australia, ACL 2018
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diaNED: Time-Aware Named Entity Disambiguation for Diachronic Corpora
Prabal Agarwal, Jannik Strötgen, Luciano Del Corro, Johannes Hoffart, and Gerhard Weikum
In: Proceedings of the 56th annual meeting of the Association for Computational Linguistics, Melbourne, Australia, ACL 2018
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KnowNER – Incremental Multilingual Knowledge in Named Entity Recognition
Dominic Seyler, Tatiana Dembelova, Luciano Del Corro, Johannes Hoffart, and Gerhard Weikum
Corr, cs.CL, 2017
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Discovering Entities with Just a Little Help from You
Jaspreet Singh, Johannes Hoffart, Avishek Anand
In: Proceedings of the 25th ACM International on Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, USA, 2016.
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YAGO: A Multilingual Knowledge Base from Wikipedia, Wordnet, and Geonames. Presented at the The th International Semantic Web Conferenece
Thomas Rebele, Fabian Suchanek, Johannes Hoffart, Joanna Biega, Erdal Kuzey, Gerhard Weikum
In: Proceedings of the 15th International Semantic Web Conferenece, ISWC 2016, Kobe, Japan, 2016.
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DeepLife: An Entity-aware Search, Analytics and Exploration Platform for Health and Life Sciences
Patrick Ernst, Amy Siu, Dragan Milchevski, Johannes Hoffart, Gerhard Weikum
Demo at the 54th Annual Meeting of the Association for Computational Linguistics, ACL 2016, Berlin, Germany, 2016.
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Context-Sensitive Auto-Completion for Searching with Entities and Categories
Andreas Schmidt, Johannes Hoffart, Dragan Milchevski, Gerhard Weikum
Demo at the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, 2016.
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The Knowledge Awakens: Keeping Knowledge Bases Fresh with Emerging Entities
Johannes Hoffart, Dragan Milchevski, Gerhard Weikum, Avishek Anand, Jaspreet Singh
Demo at the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, 2016.
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Discovering and Disambiguating Named Entities in Text PDF
Johannes Hoffart
Dissertation, 2015
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AESTHETICS: Analytics with Strings, Things, and Cats
Johannes Hoffart, Dragan Milchevski, Gerhard Weikum
Demo at the 23rd ACM International Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, 2014.
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STICS: Searching with Strings, Things, and Cats
Johannes Hoffart, Dragan Milchevski, Gerhard Weikum
Demo at the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2014, Gold Coast, QLD, Australia, 2014.
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Discovering Emerging Entities with Ambiguous Names PDF
Johannes Hoffart, Yasemin Altun, Gerhard Weikum
In: Proceedings of the 23rd International Word Wide Web Conference, WWW 2014, Seoul, South Korea, 2014.
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YAGO2: A Spatially and Temporally Enhanced Knowledge Base from Wikipedia
Johannes Hoffart, Fabian M. Suchanek, Klaus Berberich, and Gerhard Weikum
Artificial Intelligence, 194, 28-61, 2013
**AI Journal Prominent Paper Award**
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Big Data Methods for Computational Linguistics
Gerhard Weikum, Johannes Hoffart, Ndapandula Nakashole, Marc Spaniol, Fabian Suchanek, and Mohamed Amir Yosef
IEEE Data Eng. Bull., 35 (3), 46–55, 2012
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HYENA: Hierarchical Type Classification for Entity Names PDF
Mohamed Amir Yosef, Sandro Bauer, Johannes Hoffart, Marc Spaniol, Gerhard Weikum
In: Proceedings of the 24th Intl Conference on Computational Linguistics, COLING 2012, Mumbai, India, 2012.
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KORE: Keyphrase Overlap Relatedness for Entity Disambiguation PDF
Johannes Hoffart, Stephan Seufert, Dat Ba Nguyen, Martin Theobald, and Gerhard Weikum
In: Proceedings of the 21st ACM International Conference on Information and Knowledge Management, CIKM 2012, Maui, USA, p. 545-554, 2012
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Robust Disambiguation of Named Entities in Text PDF
Johannes Hoffart, Mohamed Amir Yosef, Ilaria Bordino, Hagen Fürstenau, Manfred Pinkal, Marc Spaniol, Bilyana Taneva, Stefan Thater, Gerhard Weikum
In: Proceedings of the Conference on Empirical Methods in Natural Language Processing, EMNLP 2011, Edinburgh, Scotland, p. 782–792, 2011
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YAGO2: Exploring and Querying World Knowledge in Time, Space, Context, and Many Languages PDF
Johannes Hoffart, Fabian M. Suchanek, Klaus Berberich, Edwin Lewis Kelham, Gerard de Melo, and Gerhard Weikum
In: Proceedings of the 20th International Conference Companion on World Wide Web, WWW 2011, Hyderabad, India, p. 229-232, 2011
**Best Demo Award**
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An Architecture to Support Intelligent User Interfaces for Wikis by Means of Natural Language Processing
Johannes Hoffart, Torsten Zesch, and Iryna Gurevych
In: Proceedings of the 5th International Symposium on Wikis and Open Collaboration, WikiSym 2009, Orlando, FL, USA, 2009
My Publications in the MPI database
- Knowledge Bases for Web Content Analytics.
Tutorial at the 24th International World Wide Web Conference, Florence, Italy, WWW 2015
- Discovering and Disambiguating Named Entities in Text.
Fudan University, Shanghai, China. November 2014
- Discovering and Disambiguating Named Entities in Text.
HPC Lab at ISTI, CNR, Pisa, Italy. October 2014
- Constructing a Spatio-Temporal Knowledge Base and using it to Process and Understand Natural Language Text.
Seoul National University (invited by Saltlux), Seoul, South Korea. August 2013
- Robust Disambiguation of Named Entities in Text.
Google Zurich, Switzerland. August 2011
- 2020
- PC member of the 58th Annual Meeting of the Association for Computational Linguistics, ACL 2020
- PC member of the 2020 Conference on Empirical Methods in Natural Language Processing, EMNLP 2020
- 2019
- PC member of the The Thirty-Fourth AAAI Conference on Artificial Intelligence, AAAI 2020
- PC member of the 57th Annual Meeting of the Association for Computational Linguistics, ACL 2019
- PC member of the 2019 Conference on Empirical Methods in Natural Language Processing and 9th International Joint Conference on Natural Language Processing, EMNLP-IJCNLP 2019
- 2018
- PC member of the 56th Annual Meeting of the Association for Computational Linguistics, ACL 2018
- PC member of the Second Workshop on Knowledge Graphs and Semantics for Text Retrieval, Analysis, and Understanding (KG4IR) at SIGIR 2018
- 2016
- PC member of the 26th International World Wide Web Conference, WWW 2017 - **Outstanding Reviewer Award**
- 2015
- PC member of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing of the Asian Federation of Natural Language Processing, ACL-IJCNLP 2015
- 2014
- PC member of the Conference on Empirical Methods in Natural Language Processing, EMNLP 2014
- PC member of the 25th International Conference on Computational Linguistics, COLING 2014
- PC member of the 52nd Annual Meeting of the Association for Computational Linguistics, ACL 2014
- PC member of the 14th Conference of the European Chapter of the Association for Computational Linguistics, EACL 2014
- 2013
- PC member of the 51st Annual Meeting of the Association for Computational Linguistics, ACL 2013
- 2012
- 2011
- PC member of the 1st International Workshop on Exploiting Large Knowledge Repositories