The CoNLL-2009 shared task: syntactic and semantic dependencies in multiple languages

  • Authors:
  • Jan Hajič;Massimiliano Ciaramita;Richard Johansson;Daisuke Kawahara;Maria Antònia Martí;Lluís Màrquez;Adam Meyers;Joakim Nivre;Sebastian Padó;Jan Štěpánek;Pavel Straňák;Mihai Surdeanu;Nianwen Xue;Yi Zhang

  • Affiliations:
  • Charles University in Prague;Google Inc.;University of Trento;National Institute of Information and Communications Technology;University of Barcelona;Technical University of Catalonia, Barcelona;New York University;Uppsala University and Växjö University;Stuttgart University;Charles University in Prague;Charles University in Prague;Stanford University;Brandeis University;Saarland University

  • Venue:
  • CoNLL '09 Proceedings of the Thirteenth Conference on Computational Natural Language Learning: Shared Task
  • Year:
  • 2009

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Abstract

For the 11th straight year, the Conference on Computational Natural Language Learning has been accompanied by a shared task whose purpose is to promote natural language processing applications and evaluate them in a standard setting. In 2009, the shared task was dedicated to the joint parsing of syntactic and semantic dependencies in multiple languages. This shared task combines the shared tasks of the previous five years under a unique dependency-based formalism similar to the 2008 task. In this paper, we define the shared task, describe how the data sets were created and show their quantitative properties, report the results and summarize the approaches of the participating systems.