Search (1 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × type_ss:"r"
  • × year_i:[1980 TO 1990}
  1. Robertson, S.E.; Thompson, C.L.: ¬An operational evaluation of weighting, ranking and relevance feedback via a front-end system (1987) 0.01 
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