Feature engineering in maximum spanning tree dependency parser

  • Authors:
  • Václav Novák;Zdeněk Žabokrtsky

  • Affiliations:
  • Institute of Formal and Applied Linguistics, Charles University, Prague, Czech Republic;Institute of Formal and Applied Linguistics, Charles University, Prague, Czech Republic

  • Venue:
  • TSD'07 Proceedings of the 10th international conference on Text, speech and dialogue
  • Year:
  • 2007

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Abstract

In this paper we present the results of our experiments with modifications of the feature set used in the Czech mutation of the Maximum Spanning Tree parser. First we show how new feature templates improve the parsing accuracy and second we decrease the dimensionality of the feature space to make the parsing process more effective without sacrificing accuracy.