Dr. Stephan Vogel

S Vogel
Research Director
Arabic Language Technologies
+(974) 4454 1438

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Being part of a research institute in start-up mode, helping to build a strong team doing world class research, and at the same time experiencing a different environment in terms of culture and language, geography and climate.

Research Focus at QCRI

As principal scientist in the Arabic language technologies group Stephan is responsible to help define the overall research agenda of QCRI and of the ALT team in particular.

His own research focus is on machine translation, especially the so-called statistical machine translation (SMT), where statistical modeling and machine learning techniques are used to learn from existing (human) translations how to translate new sentences. In the team’s research they deal with fundamental questions like optimization in SMT, integrating morphology, novel reordering models, etc, but also how this can be turned into useful applications to support real-live multilingual communication and information access.

An additional interest, which Stephan hopes to explore more in the future, is to apply language technologies in educational applications. In particular, QCRI’s ALT team has started to develop CALL (computer assisted language learning) applications for Arabic.

Previous Experience

Before joining QCRI Stephan was research scientist at CMU, Pittsburgh, where he advised 10 PhD and 8 Master students, also visiting students from other universities, and led or participated in a number of research projects, funded by NSF and DARPA, including TIDES and GALE.

Professional Experience

  • 2005 - 2011 Assistant Research Professor at the Language Technologies Institute, Carnegie Mellon University, USA
  • 2001 - 2005 Research Scientist at the Language Technologies Institute, Carnegie Mellon University, USA.
  • 2000 - 2001 Research Assistant at the University of Karlsruhe (now KIT), Germany.
  • 1995 - 2000 Research Assistant at RWTH Aachen, Germany.

Professional Associations and Awards

 

Education

  • PhD, RWTH Aachen, Computer Science Department, 2000
  • M.Phil History and Philosophy of Science, University of Cambridge, England, 1985
  • Diploma of Physics, Philips University, Marburg, 1983

Selected Research

  • AshishVenugopal, Andreas Zollmann, Noah A.Smith, and Stephan Vogel. Preference Grammars: Softening Syntactic Constraints to Improve Statistical Machine Translation. NAACL HLT 2009, Boulder, Colorado, May 31 - June 5, 2009.
  • Stephan Vogel, Tanja Schultz, Alex Waibel, Seiichi Yamamoto. Speech Translation Strategies. In: Tanja Schultz and Katrin Kirchhoff (Ed.) Multilingual Speech Processing. Elsevier, Academic Press, 2006.
  • Stephan Vogel, PESA: Phrase Pair Extraction as Sentence Splitting. The 10th Machine Translation Summit; Phuket, Thailand, September 13-15, 2005.
  • Stephan Vogel, Ying Zhang, Fei Huang, Alicia Tribble, AshishVenugopal, Bing Zhao, and Alex Waibel, The CMU Statistical Translation System. MT Summit IX, New Orleans, LA, U.S.A., September 2003.
  • Stephan Vogel, Hermann Ney, ChristophTillmann. HMM-Based Word Alignment in Statistical Translation. International Conference on Computational Linguistics (COLING), Copenhagen, pp. 836-841, August 1996.

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In the News

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Upcoming Events

2014

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EMNLP 2014: Conference on Empirical Methods in Natural Language Processing

Download ICS File 25/10/2014 - 29/10/2014, Renaissance Hotel, Doha, Qatar

QCRI is the local host for EMNLP 2014. EMNLP is organized by SIGDAT, the Association for Computational Linguistics special interest group for linguistic data and corpus-based approaches to natural language processing.

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11th ACS/IEEE International Conference on Computer Systems and Applications (AICCSA 2014)

Download ICS File 10/11/2014 - 13/11/2014, Doha, Qatar

Annual ACS/IEEE Conference will be held in Doha, Qatar. Organized by Qatar University.

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Past Events

2014

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QITCOM Conference 2014: Innovating Today for the Future of Qatar

Download ICS File 26/05/2014 - 28/05/2014, Qatar National Convention Centre

The QITCOM 2014 Conference will be held on 26th, 27th and 28th of May, 2014, at the Qatar National Convention Centre.  The conference epitomizes QITCOM's aim of tackling local and regional concerns ...

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Press Releases

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To Make Your Mark in Computer Science Visit the QCRI Summer Internship Programme Open House

03/04/2014

Qatar Computing Research Institute to host student information session showcasing unique summer internship opportunities

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QCRI Organises Talk by the Inventor of the World Wide Web

17/03/2014

Doha, Qatar, 17 March 2014:  Just a quarter of a century since the birth of the World Wide Web, Qatar Computing Research Institute (QCRI) has invited its inventor, Sir Tim Berners-Lee, to deliver a ...

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World’s Top Machine Learning and Data Analytics Experts Come to Qatar

02/03/2014

Joint Boeing and QCRI research symposium to highlight new approaches to valuable data extraction

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