An algorithm for zero pronoun resolution in Bulgarian

  • Authors:
  • Diana Grigorova

  • Affiliations:
  • Technical University of Sofia

  • Venue:
  • Proceedings of the 14th International Conference on Computer Systems and Technologies
  • Year:
  • 2013

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Abstract

This paper presents an algorithm for identifying the noun phrase antecedents of zero pronouns in Bulgarian. The algorithm applies to syntactic representation in XML format, generated by context-free grammar parser. Like the parser, the algorithm is implemented in Java. The author has tested it on Z-corpora, specially created for the investigation of zero pronouns in Bulgarian. The corpora are manually annotated and contain 1029 zero pronouns occurrences. The algorithm has 84% critical success rate. The algorithm is compared to another approach, which has been proposed in literature. The author's algorithm achieves 3% higher critical success rate.