Where Do Parsing Errors Come From

  • Authors:
  • Kaili Müürisep;Helen Nigol

  • Affiliations:
  • Institute of Computer Science, University of Tartu, Tartu, Estonia 50409;Institute of Estonian and General Linguistics, University of Tartu, Tartu, Estonia 50090

  • Venue:
  • TSD '08 Proceedings of the 11th international conference on Text, Speech and Dialogue
  • Year:
  • 2008

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Abstract

This paper discusses some issues of developing a parser for spoken Estonian which is based on an already existing parser for written language, and employs the Constraint Grammar framework.When we used a corpus of face-to-face everyday conversations as the training and testing material, the parser gained the recall 97.6% and the precision 91.8%. The parsing of institutional phone calls turned out to be a more complicated task, with the recall dropping by 3%. In this paper, we will focus on parsing nonfluent speech using a rule-based parser. We will give an overview of parsing errors and ways to overcome them.