Automatic Acquisition of Wordnet Relations by Distributionally Supported Morphological Patterns Extracted from Polish Corpora

  • Roman Kurc
  • Maciej Piasecki
  • Stan Szpakowicz
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6231)


Espresso is a pattern-based algorithm of extracting lexical-semantic relations, defined for English. We present its adaptation to Polish. We consider not only the technicalities such as the availability of language-processing tools for Polish, but also pattern structures which leverage the specificity of a strongly inflected language. We propose a new method of computing the reliability measure of extraction; this leads to a modified algorithm which we have named Estratto. In this paper we investigate the influence of additional lexico-semantic data and information from generic patterns.


lexical-semantic relations pattern-based relation extraction Espresso Estratto wordnet expansion 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Roman Kurc
    • 1
  • Maciej Piasecki
    • 1
  • Stan Szpakowicz
    • 2
    • 3
  1. 1.Institute of InformaticsWrocław University of TechnologyPoland
  2. 2.SITEUniversity of OttawaCanada
  3. 3.Institute of Computer SciencePolish Academy of SciencesPoland

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