A machine learning approach to German pronoun resolution

  • Authors:
  • Beata Kouchnir

  • Affiliations:
  • Tübingen University, Tübingen, Germany

  • Venue:
  • ACLstudent '04 Proceedings of the ACL 2004 workshop on Student research
  • Year:
  • 2004

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Abstract

This paper presents a novel ensemble learning approach to resolving German pronouns. Boosting, the method in question, combines the moderately accurate hypotheses of several classifiers to form a highly accurate one. Experiments show that this approach is superior to a single decision-tree classifier. Furthermore, we present a standalone system that resolves pronouns in unannotated text by using a fully automatic sequence of preprocessing modules that mimics the manual annotation process. Although the system performs well within a limited textual domain, further research is needed to make it effective for open-domain question answering and text summarisation.