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    STUDIA INFORMATICA - Issue no. 1 / 2003  
         
  Article:   WORDS CLUSTERING IN QUESTION ANSWERING SYSTEMS.

Authors:  DOINA TĂTAR, GABRIELA ŞERBAN.
 
       
         
  Abstract:  Clustering words can be useful in construction of a hierarchy of hypernyms or a set of synonyms for languages different of English for which doesn''t exist such hierarchy as WordNet (as in Romanian language case). A such of hierarchy is very important in some problems of disambiguation [10], as to perform automatic query expansion in a QA system for Romanian [7]. In this paper we we describe how a list of similar words with a given word can be constructed. Some words and word-clusters similarity measures are discussed. The experiments are made using a Romanian corpus.  
         
     
         
         
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