Maximum entropy named entity recognition for Czech language

  • Authors:
  • Michal Konkol;Miloslav Konopík

  • Affiliations:
  • University of West Bohemia, Laboratory of Intelligent Communication Systems, Pilsen, Czech Republic;University of West Bohemia, Laboratory of Intelligent Communication Systems, Pilsen, Czech Republic

  • Venue:
  • TSD'11 Proceedings of the 14th international conference on Text, speech and dialogue
  • Year:
  • 2011

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Abstract

Named Entity Recognition (NER) is an important preprocessing tool for many Natural Language Processing tasks like Information Retrieval, Question Answering or Machine Translation. This paper is focused on NER for Czech language. The proposed NER is based on knowledge and experiences acquired on other languages and adapted for Czech. Our recognizer outperforms the previously introduced recognizers for Czech. The article is also focused on the use of semantic spaces for NER. Although no significant improvement was yet achieved in this way, we believe that the research is worth of sharing.