Capturing acceptable variation in distinguishing descriptions

  • Authors:
  • Jette Viethen;Robert Dale

  • Affiliations:
  • Macquarie University, Sydney, Australia;Macquarie University, Sydney, Australia

  • Venue:
  • ENLG '07 Proceedings of the Eleventh European Workshop on Natural Language Generation
  • Year:
  • 2007

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Abstract

Almost all existing referring expression generation algorithms aim to find one best referring expression for a given intended referent. However, human-produced data demonstrates that, for any given entity, many perfectly acceptable referring expressions exist. At the same time, it is not the case that all logically possible descriptions are acceptable; so, if we remove the requirement to produce only one best solution, how do we avoid generating undesirable descriptions? Our aim in this paper is to sketch a framework that allows us to capture constraints on referring expression generation, so that the set of logically possible descriptions can be reduced to just those that are acceptable.