Discourse structure and language technology

  • Authors:
  • B. Webber;M. Egg;V. Kordoni

  • Affiliations:
  • School of informatics, university of edinburgh, edinburgh, uk e-mail: bonnie@inf.ed.ac.uk;Department of english and american studies, humboldt university, berlin, germany e-mail: markus.egg@anglistik.hu-berlin.de;German research centre for artificial intelligence (dfki gmbh) and department of computational linguistics, saarland university, saarbrcken, germany e-mail: kordoni@coli.uni-saarland.de

  • Venue:
  • Natural Language Engineering
  • Year:
  • 2011

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Abstract

An increasing number of researchers and practitioners in Natural Language Engineering face the prospect of having to work with entire texts, rather than individual sentences. While it is clear that text must have useful structure, its nature may be less clear, making it more difficult to exploit in applications. This survey of work on discourse structure thus provides a primer on the bases of which discourse is structured along with some of their formal properties. It then lays out the current state-of-the-art with respect to algorithms for recognizing these different structures, and how these algorithms are currently being used in Language Technology applications. After identifying resources that should prove useful in improving algorithm performance across a range of languages, we conclude by speculating on future discourse structure-enabled technology.