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  • × author_ss:"Alemayehu, N."
  • × year_i:[2000 TO 2010}
  • × theme_ss:"Retrievalstudien"
  1. Alemayehu, N.: Analysis of performance variation using quey expansion (2003) 1.00
    1.0 = *:*, product of:
      1.0 = boost
      1.0 = queryNorm