RACAI’s Question Answering System at QA@CLEF2007

  • Dan Tufiş
  • Dan Ştefănescu
  • Radu Ion
  • Alexandru Ceauşu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5152)


We present a pattern-based question answering system for Romanian that participated in the Romanian monolingual task of the QA@CLEF 2007 track. We aim to prove that working with a good Boolean searching engine and using question type driven answer extraction heuristics and structural matching between the linkage representations of the question and candidate sentences, one can achieve acceptable results (30% overall accuracy).


question answering tokenization tagging lemmatization indexing and retrieval Lucene answer extraction query generation 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Dan Tufiş
    • 1
  • Dan Ştefănescu
    • 1
  • Radu Ion
    • 1
  • Alexandru Ceauşu
    • 1
  1. 1.Institute for Artificial IntelligenceRomanian Academy 13Bucharest 5Romania

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