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  • × theme_ss:"Literaturübersicht"
  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  • × year_i:[1990 TO 2000}
  1. Efthimiadis, E.N.: Query expansion (1996) 0.01 
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    Source
    Annual review of information science and technology. 31(1996), S.121-187